Tag WireGuard

InfoSec Week 4, 2018

Electron applications designed to run on Windows that register themselves as the default handler for a protocol, like Skype, Slack and others, are vulnerable to the remote code execution vulnerability.
https://electronjs.org/blog/protocol-handler-fix

Dutch intelligence service AIVD provided the FBI with important information regarding Russian interference with the American elections. They have following the Cozy Bear APT for years.
https://www.volkskrant.nl/media/dutch-agencies-provide-crucial-intel-about-russia-s-interference-in-us-elections~a4561913/

Good blog about the exploitation of the Intel Management Engine 11 vulnerabilities. Researchers Mark Ermolov and Maxim Goryachy were able to debug and analyse most of the Intel ME processes.
http://blog.ptsecurity.com/2018/01/running-unsigned-code-in-intel-me.html

It's possible to bypass the Cloudflare protection by scanning internet for misconfigured customers' servers.
https://blog.christophetd.fr/bypassing-cloudflare-using-internet-wide-scan-data/

It is possible for an unauthenticated attacker in the LAN network to achieve remote code execution (CVE-2018-5999) in the AsusWRT router as the root user.
https://raw.githubusercontent.com/pedrib/PoC/master/advisories/asuswrt-lan-rce.txt

The Tinder dating application is not using encryption when accessing data on a backend server. Your naked photos could be seen by a waitress in a restaurant. The geeky one.
https://www.checkmarx.com/2018/01/23/tinder-someone-may-watching-swipe-2/

Oracle has released patches for ten vulnerabilities in VirtualBox, which allows guest to host virtual machine escape.
https://www.techrepublic.com/article/10-new-vm-escape-vulnerabilities-discovered-in-virtualbox/

The guy was able to obtain TLS certificates from the Let's Encrypt certification authority for domains that he does not own, due to the TLS-SNI-01 challenge workflow in a cloud environment. Shared hosting providers like Heroku, AWS CloudFront affected.
https://labs.detectify.com/2018/01/12/how-i-exploited-acme-tls-sni-01-issuing-lets-encrypt-ssl-certs-for-any-domain-using-shared-hosting/

Blog by Joanna Rutkowska on a future Qubes Air operating system architecture roadmap. They want to provide compartmentalized secure Qubes OS as a service.
https://www.qubes-os.org/news/2018/01/22/qubes-air/

There is a cryptographic analysis of the WireGuard protocol. WireGuard is a layer 3 replacement for the IPsec, OpenVPN solutions. Interesting project.
https://eprint.iacr.org/2018/080

Nice introduction on how to fuzz TCP servers by Robert Swiecki.
http://blog.swiecki.net/2018/01/fuzzing-tcp-servers.html

InfoSec Week 28, 2017

Porn spam botnet consisting of more than 80,000 automated female Twitter accounts has been prompting millions of clicks from Twitter users to the various affiliate dating schemes (known as "partnerka").
https://krebsonsecurity.com/2017/07/porn-spam-botnet-has-evil-twitter-twin/

Two malware families, NemucodAES ransomware and Kovter trojan are being distributed via email, pretending to be a delivery notice from the United Parcel Service.
https://isc.sans.edu/forums/diary/NemucodAES+and+the+malspam+that+distributes+it/22614/

Reyptson ransomware is using victim’s configured Thunderbird email account to execute spam distribution campaign against its contacts.
http://www.securitynewspaper.com/2017/07/18/reyptson-ransomware-spams-friends-stealing-thunderbird-contacts/

Android spyware targeting Iranians is using Telegram bot API to exfiltrate data to the remote server.
https://blog.avast.com/spyware-targets-iranian-android-users-by-abusing-messaging-app-telegram-bot-api

Trustwave SpiderLabs researchers discovered a zero-day vulnerability in Humax HG-100R WiFi Router, that could be exploited by attackers to compromise the WiFi credentials and obtain the router console administrative password.
https://www.trustwave.com/Resources/SpiderLabs-Blog/0-Day-Alert--Your-Humax-WiFi-Router-Might-Be-In-Danger/

Proofpoint analyzed Ovidiy Stealer, undocumented credential stealer, which is sold on the Russian-speaking forums.
https://www.proofpoint.com/us/threat-insight/post/meet-ovidiy-stealer-bringing-credential-theft-masses

Guido Vranken fuzzed FreeRADIUS source code and found 15 issues, four exploitable, and one of which is a remote code execution bug (RCE). Compile and upgrade now.
http://freeradius.org/security/fuzzer-2017.html

Humble Bundle is selling for next 12 days a lots of DRM-free cybersecurity books very cheaply.
https://www.humblebundle.com/books/cybersecurity-wiley

WireGuard, fast, modern, secure VPN tunnel is now formally verified with the Tamarin equational theorem prover. Really powerful software.
https://www.wireguard.com/formal-verification/

Interesting USENIX paper on the security (and analysis) of bootloaders in mobile devices:
BootStomp: On the Security of Bootloaders in Mobile Devices
http://cs.ucsb.edu/~yanick/publications/2017_sec_bootstomp.pdf

PyREBox is a Python scriptable Reverse Engineering sandbox developed by Cisco Talos. It is based on QEMU, and its goal is to aid reverse engineering by providing dynamic analysis and debugging capabilities from a different perspective.
https://github.com/Cisco-Talos/pyrebox