InfoSec Week 33, 2018

Posted on 17 August 2018
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There is an OpenSSH user enumeration attack against all software versions on all operating systems.
It's a timing attack with proof of concept already published.
http://www.openwall.com/lists/oss-security/2018/08/15/5
https://bugfuzz.com/stuff/ssh-check-username.py

The so-called RedAlpha malware campaign targeting the Tibetan community is deploying a novel “ext4” Linux backdoor. The group is using infrastructure registered with Tsinghua1 University, China and is believed to be conducted by Chinese state-sponsored actors in support of China’s economic development goals.
https://www.recordedfuture.com/chinese-cyberespionage-operations/

The Australia’s Assistance and Access Bill, introduced this week, want to jail people for up to 10 years if they refuse to unlock their phones.
https://nakedsecurity.sophos.com/2018/08/16/australians-who-wont-unlock-their-phones-could-face-10-years-in-jail/

A new research paper named "Piping Botnet - Turning Green Technology into a Water Disaster" demonstrate that the researchers were able to manipulate commercial smart IoT systems used for regulating water and electricity resources.
https://arxiv.org/abs/1808.02131

The guy with his BMW car encountered the theft attempt, where something that looked like a vandalism was actually a really smart attack against the modern alarm system.
https://mrooding.me/a-dutch-first-ingenious-bmw-theft-attempt-5f7f49a96ec8

Cloudflare analyzed the changes and improvements of a new TLS 1.3 (RFC 8446) standard that was finally published last week.
https://blog.cloudflare.com/rfc-8446-aka-tls-1-3/

New Foreshadow attack demonstrates how speculative execution can be exploited for reading the contents of Intels' SGX-protected memory as well as extracting the machine’s private attestation key.
https://foreshadowattack.eu/

Practical dictionary attacks are possible against the main mode of IPsec IKEv1/v2 standard. Successful exploitation of a weak password requires only a single active man-in-the-middle attack.
https://web-in-security.blogspot.com/2018/08/practical-dictionary-attack-on-ipsec-ike.html

If you are interested how cryptographic key management is practically done, I have written a blog Commercial Cryptographic Key Management in 2018, where I am explaining a little bit about the hardware, people and processes behind it.
https://www.malgregator.com/key-management.html

Google published BrokenType, the font fuzzing toolset that helped find lots of vulnerabilities in the Windows kernel. It includes a font mutator, generator and loader.
https://github.com/google/BrokenType


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