Tag Microsoft

InfoSec Week 1, 2019

Let's Encrypt recapitulated the last year in the operation of their ACME based certification authority, and summarized the challenges that they will work on in 2019.
They intend to deploy multi-perspective validation, checking multiple distinct Autonomous Systems for domain validation, preventing potential BGP hijacks. They also plan to run own Certificate Transparency (CT) log.
https://letsencrypt.org/2018/12/31/looking-forward-to-2019.html

According to the consultant Nathan Ziehnert, "CenturyLink 50 hour outage at 15 datacenters across the US — impacting cloud, DSL, and 911 services was caused by a single network card sending bad packets."
https://twitter.com/GossiTheDog/status/1079144491238469638

Great blog by Artem Dinaburg, where he is resurrecting 30 years old fuzzing techniques from the famous research papers to run them on on the current Linux distro. Successfully.
https://blog.trailofbits.com/2018/12/31/fuzzing-like-its-1989/

An article by Wired about the fake murder for hire services on dark web and a freelance security researcher that took them down. As it turned out, some clients killed their targets themselves.
https://www.wired.co.uk/article/kill-list-dark-web-hitmen

Multiple newspaper publishers in the US were hit by a ransomware attack, delaying their operations.
https://www.latimes.com/business/technology/la-fi-tn-ryuk-hack-20190101-story.html

The European Union starts running bug bounties on Free and Open Source Software.
https://juliareda.eu/2018/12/eu-fossa-bug-bounties/

Foxit Readers' proof of concept exploit for the Use-After-Free vulnerability (CVE-2018-14442) was published on Github.
https://github.com/payatu/CVE-2018-14442

Attacker launched multiple servers that return an error message to the connected Electrum clients, which then turn them into a fake update prompt linking to a malware.
https://github.com/spesmilo/electrum/issues/4968

Adam Langley published blog about the zero-knowledge attestation when using FIDO based authentication. It could prevent a single-vendor policy some sites started to require.
https://www.imperialviolet.org/2019/01/01/zkattestation.html

Interesting blog post by Wouter Castryck on "CSIDH: post-quantum key exchange using isogeny-based group actions".
https://www.esat.kuleuven.be/cosic/csidh-post-quantum-key-exchange-using-isogeny-based-group-actions/

The security researcher Bruno Keith published a a proof of concept for a remote code execution vulnerability in Microsoft Edge browser (CVE-2018-8629).
https://securityaffairs.co/wordpress/79264/hacking/microsoft-edge-poc-exploit.html

If you are interested in older car hacking/tuning, check this article about overcoming the speed limitation on an old Japanese Subaru Impreza STi.
https://p1kachu.pluggi.fr/project/automotive/2018/12/28/subaru-ssm1/

Jonathan “smuggler” Logan published study on the future of black markets and cryptoanarchy named "Dropgangs, or the future of darknet markets".
https://opaque.link/post/dropgang/

InfoSec Week 51, 2018

Google Project Zero published a blog about the FunctionSimSearch open-source library which is capable to find similar functions in the assembly.
They are using it to detect code statically-linked vulnerable library functions in executables.
https://googleprojectzero.blogspot.com/2018/12/searching-statically-linked-vulnerable.html

London's police is testing facial recognition technology in central London this week. Feel free to get your face scanned and processed for the bright future.
https://arstechnica.com/tech-policy/2018/12/londons-police-will-be-testing-facial-recognition-in-public-for-2-days/

Facebook gave Spotify and Netflix access to a users' private messages. Also shared user information with Microsoft, Amazon, Yahoo without explicit consent.
https://www.nytimes.com/2018/12/18/technology/facebook-privacy.html

Researchers published results of an investigation into Russian election interference on behalf of the US Senate Intelligence Committee. They have analyzed data sets from Facebook, Twitter, Google.
https://www.newknowledge.com/disinforeport

Adam Langley wrote about their further Google Chrome TLS experiments with the post-quantum lattice based cryptography.
https://www.imperialviolet.org/2018/12/12/cecpq2.html

Matthew Green wrote his thoughts on GCHQ’s latest proposal for surveilling encrypted messaging and phone calls.
https://blog.cryptographyengineering.com/2018/12/17/on-ghost-users-and-messaging-backdoors/

Tencent Blade Team discovered a remote code execution vulnerability in SQLite. It was already fixed in Chromium.
https://blade.tencent.com/magellan/index_en.html

Good story about the investigation of the Chinese industrial espionage.
https://www.bbc.co.uk/news/resources/idt-sh/Looking_for_Chinas_spies

University of California, Berkeley researchers are building open-source secure enclave using RISC-V.
https://hackaday.com/2018/12/13/risc-v-will-stop-hackers-dead-from-getting-into-your-computer/

Well-known cypherpunk movement founder Timothy May passed away.
https://reason.com/blog/2018/12/16/tim-may-influential-writer-on-crypto-ana

Microsoft introduced Windows Sandbox for applications.
https://techcommunity.microsoft.com/t5/Windows-Kernel-Internals/Windows-Sandbox/ba-p/301849

Interesting paper on systematic parsing of X.509 certificates with strong termination guarantees: "Systematic Parsing of X.509: Eradicating Security Issues with a Parse Tree".
https://arxiv.org/abs/1812.04959

A Dive into Cypherlock, a tool that could prevent forced decryption.
https://medium.com/chainrift-research/farewell-forced-decryption-a-dive-into-cypherlock-e515223a7123

Instant, re-usable, generic MD5 collisions over different file formats. https://github.com/corkami/pocs/blob/master/collisions/README.md

InfoSec Week 50, 2018

According to the New York Times sources, Marriott customers' data were breached by Chinese hackers.
Attribution is hard, especially when investigating government related hacks. We have to wait for more information.
https://www.nytimes.com/2018/12/11/us/politics/trump-china-trade.html

A Google+ API software update introduced in November had caused the Google+ API to broadcast user profiles to third-party developers, exposing the personal information of more than 52 million users.
https://www.blog.google/technology/safety-security/expediting-changes-google-plus/

Excellent journalistic piece about the location data industry. It's impossible to anonymize this kind of datasets. Really recommended!
https://www.nytimes.com/interactive/2018/12/10/business/location-data-privacy-apps.html

Check Point researchers found 53 critical bugs in Adobe Reader and Adobe Pro by using WinAFL fuzzer.
https://research.checkpoint.com/50-adobe-cves-in-50-days/

The Cisco Talos team wrote about the various practical side-channel attack scenarios against the encrypted messaging apps like WhatsApp, Telegram, and Signal.
https://blog.talosintelligence.com/2018/12/secureim.html

Study finds 5 out of 17 tested certification authorities are vulnerable to spoofing domain validation by using the IP fragmentation attack.
https://i.blackhat.com/eu-18/Thu-Dec-6/eu-18-Heftrig-Off-Path-Attacks-Against-PKI.pdf

A team behind the open source automation tool Jenkins published a patch for a critical vulnerability that could allow permission checks to be bypassed through the use of specially-crafted URLs.
https://jenkins.io/security/advisory/2018-12-05/

Microsoft took the first step in advocacy for the regulation of a facial recognition technology.
https://blogs.microsoft.com/on-the-issues/2018/12/06/facial-recognition-its-time-for-action/

A recent variant of a Shamoon malware wiped around ten percent PCs of the Italian oil and gas company Saipem.
https://www.zdnet.com/article/shamoon-malware-destroys-data-at-italian-oil-and-gas-company/

Russian State Duma is going to prohibit Russian servicemen from publishing personal information online.
https://informnapalm.org/en/seared-by-napalm-russian-state-duma-advances-legislation-banning-russian-servicemen-from-publishing-personal-information-online/

Researcher Natalie Silvanovich from the Google Project Zero fuzzed WhatsApp application and (surprisingly) didn't find exploitable bugs, just a heap corruption.
https://googleprojectzero.blogspot.com/2018/12/adventures-in-video-conferencing-part-3.html

Australian guys, there is a GitHub repository where you can ask legal questions about the terrible Assistance and Access Bill. The questions are answered by lawyers.
https://github.com/alfiedotwtf/AABillFAQ

InfoSec Week 44, 2018

The US federal prosecutors say that Chinese spies hacked dozen firms to steal aviation engineering secrets for the Chinese aerospace company.
https://arstechnica.com/tech-policy/2018/10/feds-say-chinese-spies-and-their-hired-hackers-stole-aviation-secrets/

Apple's ICMP packet-handling code contains a heap buffer overflow vulnerability (CVE-2018-4407).
Exploit can DoS any Mac, iOS device on a network by sending a crafted packet. The ping of death is back.
https://lgtm.com/blog/apple_xnu_icmp_error_CVE-2018-4407

Microsoft is sharing Indian bank customers' data with U.S. intelligence agencies.
Looks like the banks were aware of it, when they have signed the Office 365 license agreements.
https://www.neowin.net/news/microsoft-has-been-sharing-indian-bank-customers039-data-with-us-intelligence-agencies

Google announced the launch of reCAPTCHA v3, which aims to improve user experience by removing the need for challenges. It uses the score based on the user on-site interactions.
https://developers.google.com/recaptcha/docs/v3

The end-to-end encrypted instant messaging application Signal introduced a new "Sealed sender" privacy feature that is protecting the sender before traffic observation.
https://signal.org/blog/sealed-sender/

Multiple malicious python libraries found and removed from PyPI. Guys are typo-squatting popular repository names and deliver malware.
https://www.zdnet.com/article/twelve-malicious-python-libraries-found-and-removed-from-pypi/

Great list of lessons learned over 20 years of red teaming by security expert Matt Devost.
https://www.oodaloop.com/ooda-original/2015/10/22/10-red-teaming-lessons-learned-over-20-years/

Cisco Talos researchers found a code execution vulnerability in the anti-malware tool Sophos HitmanPro.Alert.
https://www.scmagazineuk.com/vulnerability-found-sophos-anti-malware-product/article/1497367

Researcher Jay Rosenberg documents clear connection between one of Lazarus Group's tools and an open source Chinese CasperPhpTrojan remote access trojan.
https://www.intezer.com/paleontology-the-unknown-origins-of-lazarus-malware/

Apple releases specification of T2 security chip.
https://www.apple.com/mac/docs/Apple_T2_Security_Chip_Overview.pdf

Researchers announced a fast attack breaking OCB2, an ISO-standard authenticated encryption scheme.
https://eprint.iacr.org/2018/1040

InfoSec Week 42, 2018

The Czech Security Intelligence Service (BIS) shuts down Hezbollah servers in the Hezbollah hacking operation. Hackers used female Facebook profiles to trick victims into installing spyware.
https://www.zdnet.com/article/czech-intelligence-service-shuts-down-hezbollah-hacking-operation/

More than 420K compromised MikroTik routers can be found on the Internet with half of them mining cryptocurrencies, according to the results of Censys scanner.
Also, there is anonymous gray-hat researcher patching them remotely.
https://twitter.com/bad_packets/status/1050533001824595968
https://www.zdnet.com/article/a-mysterious-grey-hat-is-patching-peoples-outdated-mikrotik-routers/

Fake Adobe updates are circulating that will actually update the Windows version of a plugin on your computer, but also install cryptocurrency mining malware.
https://researchcenter.paloaltonetworks.com/2018/10/unit42-fake-flash-updaters-push-cryptocurrency-miners/

According to a new research, if you're an American of European descent, there's a 60% chance you can be uniquely identified by public information in DNA databases. This is not information that you have made public; this is information your relatives have made public. https://www.schneier.com/blog/archives/2018/10/how_dna_databas.html

The Pentagon travel system has been hacked. Personal information and credit card data of at least 30K U.S. military and civilian personnel are affected.
https://www.militarytimes.com/news/your-military/2018/10/12/pentagon-reveals-cyber-breach-of-travel-records/

A PoC exploit for a Windows (CVE-2018-8495) remote code execution vulnerability that can be exploited via Microsoft Edge has been published.
https://leucosite.com/Microsoft-Edge-RCE/

There is a serious SSH bug discovered in LibSSH library.
Basically a client can bypass the authentication process by telling the server to set the internal state machine maintained by the library to authenticated.
https://www.libssh.org/security/advisories/CVE-2018-10933.txt

Electron just merged fix enabling position independent executable build (PIE) on Linux, so all Electron-Apps on Linux can soon leverage Address space layout randomization (ASLR) protection.
https://github.com/electron/electron/pull/15148

On this site, you can find "every byte of a TLS connection explained and reproduced".
Really interesting project.
https://tls.ulfheim.net/

Researcher Lance R. Vick started a spreadsheet to compare relative security, privacy, compatibility, and features of various messenger systems.
https://docs.google.com/spreadsheets/d/1-UlA4-tslROBDS9IqHalWVztqZo7uxlCeKPQ-8uoFOU/edit

Recorded Future published analysis of a Russian and Chinese illegal hacking Communities.
https://www.recordedfuture.com/russian-chinese-hacking-communities/

Firefox Nightly now supports encrypting the TLS Server Name Indication (SNI) extension, which helps prevent attackers on a network from learning users browsing history.
https://blog.mozilla.org/security/2018/10/18/encrypted-sni-comes-to-firefox-nightly/

Swedish kids can read about the DNSSEC on a milk carton.
https://twitter.com/recollir/status/1051480941171003392/photo/1

InfoSec Week 41, 2018

Memory corruption bug in WhatsApp's non-WebRTC video conferencing implementation can screw you. Just answering a call from an attacker could completely compromise WhatsApp.
https://bugs.chromium.org/p/project-zero/issues/detail?id=1654

Great story about the spear phishing scheme against the MacEwan University in Canada. Investigators were able to track stolen money to China and back to the Canadian real estate investments.
https://www.thestar.com/edmonton/2018/10/09/how-a-fraudster-got-12-million-out-of-a-canadian-university-they-just-asked-for-it.html

Millions of Xiongmai video surveillance devices can be easily hacked. Devices can be discovered because of predictable cloud ID derived from the MAC address, then compromised by using malicious firmware images delivered by fake update server.
https://sec-consult.com/en/blog/2018/10/millions-of-xiongmai-video-surveillance-devices-can-be-hacked-via-cloud-feature-xmeye-p2p-cloud/

US Department of Defense published some findings from the weapons systems pentesting.
Weak passwords, port scans that caused the weapons system to fail, etc.
https://www.gao.gov/mobile/products/GAO-19-128

"Making sense of the alleged Supermicro motherboard attack" published by researchers at the University of Cambridge Computer Laboratory is explaining the possible technical aspects behind the recent Bloomberg story about the hardware backdoors shipped from China.
https://www.lightbluetouchpaper.org/2018/10/05/making-sense-of-the-supermicro-motherboard-attack/
https://www.bloomberg.com/news/features/2018-10-04/the-big-hack-how-china-used-a-tiny-chip-to-infiltrate-america-s-top-companies

US Police used victims' Fitbit data to charge 90-Year-Old man in stepdaughter’s killing.
They knew about the suspect, but the Fitbit data made the investigation easier.
https://www.nytimes.com/2018/10/03/us/fitbit-murder-arrest.html

New Zealand can now fine travelers who refuse to unlock their digital devices for a search.
http://www.abc.net.au/news/2018-10-04/nz-customs-can-force-travellers-to-unlock-digital-devices/10338662

Microsoft patches zero day vulnerability (CVE-2018-8453) in the win32k.sys discovered by Kaspersky Lab back in August.
The exploit is used to target victims in the Middle East.
https://securelist.com/cve-2018-8453-used-in-targeted-attacks/88151/

There are multiple severe vulnerabilities reported in the Juniper network devices.
https://kb.juniper.net/InfoCenter/index?page=content&channel=SECURITY_ADVISORIES

Red Hat's Flatpak used for application distribution on Linux is implementing some questionable security practices.
https://flatkill.org/

Exploit for MikroTik router WinBox vulnerability gives full root access.
https://thehackernews.com/2018/10/router-hacking-exploit.html

Congratulations to ICANN for the first-ever DNSSEC root key signing key rollover that took place on 11 October 2018.
https://www.icann.org/resources/pages/ksk-rollover

Mozilla decided to delay distrust of the Symantec TLS certification authority from their browsers.
https://blog.mozilla.org/security/2018/10/10/delaying-further-symantec-tls-certificate-distrust/

ADAPE-Script - Active Directory Assessment and Privilege Escalation Script can automate your AD recon and pentesting.
https://github.com/hausec/ADAPE-Script

InfoSec Week 34, 2018

If you are running Linux machines in Microsoft Azure, you should disable built-in wa-linux-agent backdoor that enable root access from Azure console.
https://raymii.org/s/blog/Linux_on_Microsoft_Azure_Disable_this_built_in_root_access_backdoor.html

There is a good blog post by Stuart Schechter about the dark side of the two factor authentication. Highly recommended reading.
https://medium.com/@stuartschechter/before-you-turn-on-two-factor-authentication-27148cc5b9a1

Great research by Eyal Ronen, Kenneth G. Paterson and Adi Shamir demonstrate that adopting pseudo constant time implementations of TLS are not secure against the modified Lucky 13 attack on encryption in CBC-mode. Tested against four fully patched implementations of TLS - Amazon's s2n, GnuTLS, mbed TLS and wolfSSL.
https://eprint.iacr.org/2018/747

Traefik, popular open source reverse proxy and load balancing solution is leaking (CVE-2018-15598) TLS certificate private keys via API.
https://www.bleepingcomputer.com/news/security/cloud-product-accidentally-exposes-users-tls-certificate-private-keys/

Google enrolled Hardware Secure Module to their Cloud Key Management Service. The customers can use it to store their encryption keys with FIPS 140-2 Level 3 security certified devices from now on.
https://cloud.google.com/hsm/

Microsoft Corp said that Russian hackers are targeting U.S. political groups ahead of November’s congressional elections.
https://www.reuters.com/article/us-usa-russia-hackers/russian-hacking-of-conservative-groups-sites-thwarted-microsoft-idUSKCN1L60I0

The WIRED cover story on how Russian NotPetya malware took down Maersk, the world’s largest shipping firm.
https://www.wired.com/story/notpetya-cyberattack-ukraine-russia-code-crashed-the-world/

Kaspersky Lab published analysis of a sophisticated "Dark Tequila" banking malware which is targeting customers in Mexico and other Latin American nations.
https://securelist.com/dark-tequila-anejo/87528/

NSA successfully cracked and listened for years to encrypted networks of Russian Airlines, Al Jazeera, and other “High Potential” targets.
https://theintercept.com/2018/08/15/nsa-vpn-hack-al-jazeera-sidtoday/

Anonymous targeted Spanish Constitutional Court, economy and foreign ministry websites to support Catalonia separatist drive.
https://securityaffairs.co/wordpress/75509/hacking/anonymous-catalonia.html

Red Teaming/Adversary Simulation Toolkit is a collection of open source and commercial tools that aid in red team operations.
https://github.com/infosecn1nja/Red-Teaming-Toolkit

InfoSec Week 27, 2018

Samsung Galaxy S9 and S9+ devices, maybe others, are texting camera photos to random contacts through the Samsung Messages app without user permission.
https://www.theverge.com/circuitbreaker/2018/7/2/17528076/samsung-phones-text-rcs-update-messages

Gentoo Linux distribution GitHub repository was compromised. Attacker removed out all the maintainers, who realized the intrusion only 10 minutes after he gained access. He add rm -rf /* to build scripts, changed README and some minor things.
https://wiki.gentoo.org/wiki/Github/2018-06-28

Since January 2017, Stylish browser extension has been augmented with spyware that records every single website that its 2 million other users visit, then sends complete browsing activity back to its servers, together with a unique identifier.
https://robertheaton.com/2018/07/02/stylish-browser-extension-steals-your-internet-history/

Digicert Withdraws from the CA Security Council (CASC), because they "feel that CASC is not sufficiently transparent and does not represent the diversity of the modern Certificate Authority (CA) industry. Improving the ecosystem requires broad participation from all interested stakeholders, and many are being excluded unnecessarily."
Great step Digicert!
https://www.digicert.com/blog/notice-of-withdrawal-from-the-ca-security-council/

CryptoCurrency Clipboard Hijacker malware discovered by Bleeping Computer monitors for more than 2.3 million Bitcoin addresses, then replace them in memory, with the attacker address.
https://www.bleepingcomputer.com/news/security/clipboard-hijacker-malware-monitors-23-million-bitcoin-addresses/

Local root jailbreak, authorization bypass & privilege escalation vulnerabilities in all ADB broadband routers, gateways and modems. The patch is already available.
https://www.sec-consult.com/en/blog/advisories/local-root-jailbreak-via-network-file-sharing-flaw-in-all-adb-broadband-gateways-routers/

A Microsoft Security division published an analysis of the malware sample which exploited the Adobe Reader software and the Windows operating system using two zero-day exploits in a single PDF file.
https://cloudblogs.microsoft.com/microsoftsecure/2018/07/02/taking-apart-a-double-zero-day-sample-discovered-in-joint-hunt-with-eset/

Blog about why it is not helpful to use the Canvas Defender extension, a browser canvas fingerprinting countermeasure.
https://antoinevastel.com/tracking/2018/07/01/eval-canvasdef.html

Blog about the cryptographic primitives used by the North Korean Red Star operating system. The OS is mostly uses AES-256 Rijndael with dynamic S-Box modifications, but the design is evolving and the latest version of the algorithm has more differences.
https://blog.kryptoslogic.com/crypto/2018/07/03/pyongyang.html

Interesting technique how to bypass web-application firewalls by abusing SSL/TLS. An attacker can use an unsupported SSL cipher to initialize the connection to the webserver which supports that cipher, but the WAF would not be able to identify the attack because it can't view the data.
https://0x09al.github.io/waf/bypass/ssl/2018/07/02/web-application-firewall-bypass.html

Good introduction to the Linux ELF file format with some practical examples how sections look like, how to shrink the size during compilation and more.
https://0x00sec.org/t/dissecting-and-exploiting-elf-files/7267

InfoSec Week 16, 2018

Google disables domain fronting capability in their App Engine, which was used to evade censorship. What a fortunate timing.
https://arstechnica.com/information-technology/2018/04/google-disables-domain-fronting-capability-used-to-evade-censors/

Bloomberg published article on how Palantir is using the War on Terror tools to track American citizens.
https://www.bloomberg.com/features/2018-palantir-peter-thiel/

Third-party javascript trackers are actively exfiltrating personal identifiers from websites which uses "login with Facebook" button and other such social login APIs.
https://freedom-to-tinker.com/2018/04/18/no-boundaries-for-facebook-data-third-party-trackers-abuse-facebook-login/

The U.S. and the UK blame Russia for a campaign of hacks into routers, switches and other connected infrastructure.
https://www.forbes.com/sites/thomasbrewster/2018/04/16/russia-accused-of-hacking-network-infrastructure/

One of the people charged for the Reveton ransomware trojan was actually working as a Microsoft network engineer.
https://www.bleepingcomputer.com/news/security/microsoft-engineer-charged-in-reveton-ransomware-case/

Intel processors now allow antivirus (mostly Microsoft right now) to Use built-in GPUs for in-memory malware scanning.
https://arstechnica.com/gadgets/2018/04/intel-microsoft-to-use-gpu-to-scan-memory-for-malware/

Avast shared CCleaner breach timeline. They were infiltrated via TeamViewer. More than 2.3 million users, 40 companies infected.
https://blog.avast.com/update-ccleaner-attackers-entered-via-teamviewer

Nice blog post about the quantum resistant hash-based signature schemes. No public key cryptography.
https://blog.cryptographyengineering.com/2018/04/07/hash-based-signatures-an-illustrated-primer/

New Android P enables users to change default DNS server, it will also support DNS over TLS.
https://www.androidpolice.com/2018/04/14/google-explains-new-private-dns-setting-android-p/

There is a new web standard for authentication, designed to replace password login method with the public key cryptography and biometrics.
https://www.w3.org/TR/2018/CR-webauthn-20180320/

OpenSSL is vulnerable to a cache timing vulnerability in RSA Key Generation (CVE-2018-0737).
Could be theoretically exploited by some hypervisor, but they have decided not to release emergency fix.
https://mta.openssl.org/pipermail/openssl-announce/2018-April/000122.html

The Endgame has released Ember (Endgame Malware BEnchmark for Research), an open source collection of 1.1 million portable executable file metadata & derived features from the PE files, hashes and a benchmark model trained on those features.
https://github.com/endgameinc/ember

InfoSec Week 15, 2018

The U.S. Secret Service is warning about a new scam scheme where the crooks are intercepting new debit cards in the mail and replace the chips on the cards with chips from old cards. Once owners activate the cards, crooks will use stolen chips for their financial gain.
https://krebsonsecurity.com/2018/04/secret-service-warns-of-chip-card-scheme/

Russian state regulator Roskomnadzor have ordered to block the Telegram messaging application 48 hours after it missed a deadline to give up encryption keys to the online conversations of its users. I am not sure whether the Telegram protocol is actually blocked in Russia now.
https://phys.org/news/2018-04-russian-block-telegram-messaging-app.html

A new Android P version will enforce applications to communicate over TLS secured connection by default.
https://android-developers.googleblog.com/2018/04/protecting-users-with-tls-by-default-in.html

Kudelski Security published a walk-through guide about Manger's attack against RSA OAEP. 1-bit leak from oraculum suffices to decrypt ciphertexts.
https://research.kudelskisecurity.com/2018/04/05/breaking-rsa-oaep-with-mangers-attack/

In depth article about stealing FUZE credit card content via Bluetooth.
https://blog.ice9.us/2018/04/stealing-credit-cards-from-fuze-bluetooth.html

Understanding Code Signing Abuse in Malware Campaigns. Pretty good statistics.
https://blog.trendmicro.com/trendlabs-security-intelligence/understanding-code-signing-abuse-in-malware-campaigns/

There is a vulnerability that results in a bypass of a tamper protection provided by the Sophos Endpoint Protection v10.7. Protection mechanism can be bypassed by deleting the unprotected registry key.
http://seclists.org/fulldisclosure/2018/Apr/6

Several vulnerabilities have been found in the Apache HTTPD server. Update now.
http://seclists.org/bugtraq/2018/Apr/6

Microsoft Windows tool certutil.exe for displaying certification authority information can be used to fetch data from the internet in the similar fashion like WGET or CURL.
https://isc.sans.edu/diary/rss/23517

There is a paper about breaking 256-bit security (NIST post-quantum candidate) WalnutDSA in under a minute.
https://eprint.iacr.org/2018/318

Snallygaster - a Tool to Scan for Secrets on Web Servers
https://blog.hboeck.de/archives/892-Introducing-Snallygaster-a-Tool-to-Scan-for-Secrets-on-Web-Servers.html

Nice map of the ongoing Linux kernel defenses. The map shows the relations between the vulnerability classes, current kernel defenses and bug detection mechanisms.
https://github.com/a13xp0p0v/linux-kernel-defence-map


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