Tag VirusTotal

InfoSec Week 45, 2018

A default VirtualBox virtual network device has a vulnerability allowing an attacker with root privilege to escape guest OS, execute commands in ring3 on a host.
All operating systems affected.
https://github.com/MorteNoir1/virtualbox_e1000_0day

Researchers at Radboud University in the Netherlands have revealed encryption vulnerabilities in the solid-state drives (SSD).
Samsung nor Crucial manufacturers are producing buggy firmware where anybody who steals your drive is able to decrypt it on their own.
https://www.ru.nl/publish/pages/909275/draft-paper_1.pdf

Police in the Netherlands were able to decrypt more than 258,000 messages sent using proprietary IronChat end-to-end (probably not) encrypted messaging application.
Lessons learned: do not use custom, proprietary, "exclusive" application nobody else except your gang members have...
https://www.politie.nl/en/news/2018/november/02-apeldoorn-police-have-achieved-a-breakthrough-in-the-interception-and-decryption-of-crypto-communication.html

The first release of 5G (3GPP Release 15) includes protection against an active IMSI catching.
"But in a typical case where 5G UE also supports LTE, it is still vulnerable to LTE IMSI catchers."
https://arxiv.org/abs/1811.02293

New "PortSmash" CPU side channel vulnerability impacts all CPUs that use a Simultaneous Multithreading (SMT).
The vulnerability has been discovered by researchers from the Tampere University of Technology in Finland and Technical University of Havana, Cuba.
https://github.com/bbbrumley/portsmash

Troy Hunt published blog on how passwords are superior to many alternative methods, primarily because "everyone understands how to use it".
https://www.troyhunt.com/heres-why-insert-thing-here-is-not-a-password-killer/

US Cyber Command (USCYBERCOM) starts uploading unclassified foreign APT malware samples to VirusTotal.
https://www.cybercom.mil/Media/News/News-Display/Article/1681533/new-cnmf-initiative-shares-malware-samples-with-cybersecurity-industry/

Iran found CIA spies by Googling their online communication channels after double agent told them modus operandi.
https://www.yahoo.com/news/cias-communications-suffered-catastrophic-compromise-started-iran-090018710.html

Some explanation by Doug Madory of Oracle on how and when China Telecom hijacked BGP routing to send US-to-US traffic via mainland China.
https://internetintel.oracle.com/blog-single.html?id=China+Telecom%27s+Internet+Traffic+Misdirection

Early version of an open source, free WireGuard for iOS VPN tunneling implementation is in public testing.
https://lists.zx2c4.com/pipermail/wireguard/2018-November/003526.html

Microsoft releases a Linux version of their ProcDump Sysinternals Tool.
https://github.com/Microsoft/ProcDump-for-Linux

InfoSec Week 14, 2018

There is a critical flaw in Microsoft Malware Protection Engine (CVE-2018-0986). They have used the open source unrar code, changed all the signed ints, breaking the code. Remote SYSTEM memory corruption.
https://bugs.chromium.org/p/project-zero/issues/detail?id=1543&desc=2

Blog by Latacora about the right choices and parameters when dealing with cryptography for backups, communication, authentication, etc. Nice summary, with the explanation and historical references.
http://latacora.singles/2018/04/03/cryptographic-right-answers.html

An Italian football club Lazio has been scammed by a social engineering attack via email. The club sent out transfer bill of €2 million to a fraudster’s bank account instead of the Feyenoord Dutch club.
https://www.hackread.com/phishing-scam-italian-football-club-scammed/

The people behind the Google Wycheproof project, which is testing crypto libraries against known attacks released test vectors for many crypto primitives.
https://github.com/google/wycheproof/tree/master/testvectors

Cloudflare announced consumer DNS service sitting on a 1.1.1.1 address. Supports DNS-over-TLS, also DNS-over-HTTPS.
https://blog.cloudflare.com/announcing-1111/

Good explanatory blog about the oblivious DNS and why DNS should not require our trust at all.
https://freedom-to-tinker.com/2018/04/02/a-privacy-preserving-approach-to-dns/

There is a local privilege escalation vulnerability (CVE-2018-0492) in the Debian beep package. Yes, beep package for motherboard beeping. Escalation, because setuid + race condition.
https://mta.openssl.org/pipermail/openssl-announce/2018-March/000119.html

LibreSSL 2.7.0 was accepting all invalid host names as correct. A vulnerability was found by Python maintainer Christian Heimes when running tests after porting new LibreSSL to the Python 3.7. Nobody affected.
https://mail.python.org/pipermail/python-dev/2018-April/152624.html

VirusTotal launches a new Android Sandbox system VirusTotal Droidy to help security researchers detect malicious apps based on behavioral analysis.
http://blog.virustotal.com/2018/04/meet-virustotal-droidy-our-new-android.html

MesaLink is a new memory-safe and OpenSSL-compatible TLS library written in Rust.
https://github.com/mesalock-linux/mesalink

InfoSec Week 2, 2018

New research has found a flaw in a group messaging part of a Signal protocol used by Signal, WhatsApp and Threema. It’s hardly exploitable, but the server (attacker) could be, in some theoretical scenario, able to silently join an encrypted group chat.
https://blog.cryptographyengineering.com/2018/01/10/attack-of-the-week-group-messaging-in-whatsapp-and-signal/

Janit0r, author of the mass internet scanning campaign known as Internet Chemotherapy, released two more blogs about the campaign. Interesting.
http://depastedihrn3jtw.onion.link/show.php?md5=ee7136ac48fa59fba803b9fbcbc6d7b9
http://depastedihrn3jtw.onion.link/show.php?md5=7e7bfe406315f120d8ed325ffb87670b

A tale about the npm package which crawled user entered credit card information from the websites. It is a work of fiction, but published few hours after dozens of npm packages stopped working due to missing dependencies... Scary.
https://hackernoon.com/im-harvesting-credit-card-numbers-and-passwords-from-your-site-here-s-how-9a8cb347c5b5

HC7 Planetary Ransomware is probably the first known ransomware asking for Ethereum as a ransom payment. It's for Windows users only.
https://www.bleepingcomputer.com/news/security/hc7-planetary-ransomware-may-be-the-first-to-accept-ethereum/

There is a hardwired network backdoor in the Western Digital MyCloud drives (user: mydlinkBRionyg, password: abc12345cba). Vendor probably patched it six months after reported.
http://gulftech.org/advisories/WDMyCloud%20Multiple%20Vulnerabilities/125
https://twitter.com/dragosr/status/949822668563365889

Wi-Fi Protected Access III - WPA3 will be forced on a marked this year. Hopefully a lot of security enhancements to wi-fi protocol will be delivered by the WPA3-certified devices.
https://www.wi-fi.org/news-events/newsroom/wi-fi-alliance-introduces-security-enhancements

Let's Encrypt certification authority has temporarily disabled TLS-SNI-01 authorization challenge due to reported exploitation technique possible on a shared hosting infrastructure.
https://community.letsencrypt.org/t/2018-01-09-issue-with-tls-sni-01-and-shared-hosting-infrastructure/49996

Google Cloud security engineers reported remote code execution vulnerability in the AMD Platform Security Processor.
http://seclists.org/fulldisclosure/2018/Jan/12

Brian Krebs wrote a blog about the flourishing online markets with the stolen credentials.
https://krebsonsecurity.com/2017/12/the-market-for-stolen-account-credentials/

VirusTotal has a new feature, a visualization tool for the relationship between files, URLs, domains and IP addresses.
http://blog.virustotal.com/2018/01/virustotal-graph.html

A Meltdown vulnerability proof of concept for reading passwords out of Google Chrome browser.
https://github.com/RealJTG/Meltdown