Tag Edge

InfoSec Week 4, 2019

Microsoft's mobile Edge browser begins issuing fake news warnings. It is powered by news rating company NewsGuard. It gives you fake news warning for Wikileaks, so decide for yourself.
https://www.engadget.com/2019/01/23/microsoft-edge-mobile-fake-news

A vulnerability in the apt package allows a network man-in-the-middle or malicious mirror to execute arbitrary code as root on a machine installing any packages.
https://justi.cz/security/2019/01/22/apt-rce.html

Encryption mode in the well-known compression software 7-Zip uses poor randomness when generating AES initialization vectors.
https://sourceforge.net/p/sevenzip/bugs/2176/

Turns out that the MySQL server has access to all client local files. Patched server can upload clients' files like SSH keys.
https://gwillem.gitlab.io/2019/01/20/sites-hacked-via-mysql-protocal-flaw/

Daniel Miessler published a short blog about the reasons why software remains insecure.
TLDR: "Basically, software remains vulnerable because the benefits created by insecure products far outweigh the downsides. Once that changes, software security will improve—but not a moment before."
https://danielmiessler.com/blog/the-reason-software-remains-insecure/

Trend Micro engineers found applications in the Google Play store that drop Anubis banking malware after the device motion sensors are activated to evade initial detection.
https://blog.trendmicro.com/trendlabs-security-intelligence/google-play-apps-drop-anubis-banking-malware-use-motion-based-evasion-tactics/

Interesting Twitter bug was filled via HackerOne platform - changing email address on Twitter for Android unsets “Protect your Tweets” flag and make protected tweets public.
https://hackerone.com/reports/472013

Great in-depth blog about the finding and exploiting bugs in Marvell Avastar Wi-Fi.
https://embedi.org/blog/remotely-compromise-devices-by-using-bugs-in-marvell-avastar-wi-fi-from-zero-knowledge-to-zero-click-rce/

WPintel - Chrome extension designed For WordPress vulnerability scanning and information gathering.
https://github.com/Tuhinshubhra/WPintel

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 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 38, 2017

The ZNIU Android malware is exploiting Linux kernel "Dirty COW" vulnerability to install itself on a device and collect money through the SMS-enabled payment service.
http://blog.trendmicro.com/trendlabs-security-intelligence/zniu-first-android-malware-exploit-dirty-cow-vulnerability/

Good introduction blog into the art of binary fuzzing and crash analysis demonstrated by fuzzing famous open-source Mimikatz software.
https://www.sec-consult.com/en/blog/2017/09/hack-the-hacker-fuzzing-mimikatz-on-windows-with-winafl-heatmaps-0day/index.html

Security researcher Inti De Ceukelaire has gained access to company team pages by exploiting faulty business logic in popular third-party on-line helpdesks.
https://medium.freecodecamp.org/how-i-hacked-hundreds-of-companies-through-their-helpdesk-b7680ddc2d4c

Server part of the Wire end-to-end encrypted instant messenger application is now open-source, but there are lots of external dependencies and no documentation yet.
https://medium.com/@wireapp/wire-server-code-now-100-open-source-the-journey-continues-88e24164309c

A brief description behind the technology of a private contact discovery used in Signal messenger.
https://signal.org/blog/private-contact-discovery/

X41 IT Security company has released an in-depth analysis of the three leading enterprise web browsers Google Chrome, Microsoft Edge, and Internet Explorer.
https://github.com/x41sec/browser-security-whitepaper-2017

A nice list of a various open-source honeypot projects available on-line.
https://www.smokescreen.io/practical-honeypots-a-list-of-open-source-deception-tools-that-detect-threats-for-free/

SigThief - The script that will rip a signature off a signed PE file and append it to another one, fixing up the certificate table to sign the file. It's not a valid signature BUT it's enough for some anti-viruses to flag the executable as trustworthy.
https://github.com/secretsquirrel/SigThief