Tag VPN

InfoSec Week 35, 2018

Google started selling their Titan Security Key bundle that support FIDO standards for secure authentication. They have written the firmware by themselves, but the price should be lower for this kind of hardware.
https://store.google.com/us/product/titan_security_key_kit

Interesting three month research on hacking Australian law firms by registering expired domain names. Thousands of emails received with sensitive material.
https://medium.com/@gszathmari/hacking-law-firms-abandoned-domain-name-attack-560979e0b774

Researchers systematically retrieved 3500 AT controlling commands from over 2000 Android smartphone firmware images across 11 vendors and "demonstrated that the AT command interface contains an alarming amount of unconstrained functionality and represents a broad attack surface on Android devices."
https://atcommands.org/

Fortnite Installer created by Epic Games allowed to install anything on the customer Android phone. An Epic security engineer requested Google to delay public disclosure for the 90 days period, to allow time for the update, but Google refused.
https://m.androidcentral.com/epic-games-first-fortnite-installer-allowed-hackers-download-install-silently

US T-Mobile Database was breached, 2 millions of customers' data exposed.
https://www.databreachtoday.com/t-mobile-database-breach-exposes-2-million-customers-data-a-11420

Ars Technica published a good introductory review of the WireGuard next generation VPN software.
https://arstechnica.com/gadgets/2018/08/wireguard-vpn-review-fast-connections-amaze-but-windows-support-needs-to-happen/

WhatsApp has warned users that by using a free backup service offered by Google, messages will no longer be protected by end-to-end encryption.
https://www.zdnet.com/article/whatsapp-warns-free-google-drive-backups-are-not-encrypted/

Assured researchers published an article which provides a brief overview of the new TLS 1.3.
https://assured.se/2018/08/29/tls-1-3-in-a-nut-shell/

If you wanted to know how to use PGP in an organization of 200 people, read this blog about OpenPGP key distribution.
They are now turning the lessons learned into an Internet standard.
https://tech.firstlook.media/keylist-rfc-explainer

Mozilla Firefox 62 and newer support a new TLS API for WebExtensions.
There is now a certificate viewer leveraging new API called Certainly Something (Certificate Viewer).
https://addons.mozilla.org/en-US/firefox/addon/certainly-something/

In-depth blog spot by voidsecurity about the VirtualBox code execution vulnerability.
https://www.voidsecurity.in/2018/08/from-compiler-optimization-to-code.html

Mark Ermolov and Maxim Goryachy researchers have published a detailed walk-through for accessing an Intel's Management Engine (IME) JTAG feature, which provides debugging access to the processor.
https://github.com/ptresearch/IntelTXE-POC

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 7, 2018

The Fidelis Cybersecurity researcher Jason Reaves demonstrated how covertly exchange data using X.509 digital certificates. The proof of concept code is using SubjectKeyIdentifier and generating certificates on the fly.
https://www.fidelissecurity.com/threatgeek/2018/02/exposing-x509-vulnerabilities

The "UDPoS" Point of Sale malware is using DNS traffic to exfiltrate stolen credit card data.
https://blogs.forcepoint.com/security-labs/udpos-exfiltrating-credit-card-data-dns

Talos analyzed malware threat targeting Olympic computer systems during the opening ceremony. The main purpose was information gathering and destroying the system.
http://blog.talosintelligence.com/2018/02/olympic-destroyer.html

Zero-day vulnerability in the Bitmessage messaging client was exploited to steal Electrum cryptocurrency wallet keys.
https://securityaffairs.co/wordpress/69100/hacking/bitmessage-zero-day.html

Trustwave analyzed multi-stage Microsoft Word attack which is NOT using macros. Really creative technique.
https://www.trustwave.com/Resources/SpiderLabs-Blog/Multi-Stage-Email-Word-Attack-without-Macros/

Microsoft can't fix Skype privilege escalation bug without the massive code rewrite, so they postponed it for a while.
http://seclists.org/fulldisclosure/2018/Feb/33

Facebook is advertising their Onavo VPN application, but there are a few reasons why it is really not a good idea to use it.
https://gizmodo.com/do-not-i-repeat-do-not-download-onavo-facebook-s-vam-1822937825

Facebook is spamming users via SMS registered for two factor authentication (2FA). Then posts their responses on a wall.
https://twitter.com/Gabriel__Lewis/status/963121814166630400

(Not only) Performance analysis of a Retpoline mitigation for Spectre vulnerability.
https://cyber.wtf/2018/02/13/in-debt-to-retpoline/

A guide on how to brutefoce Linux Full Disk Encryption (LUKS) volumes using Hashcat software.
https://blog.pnb.io/2018/02/bruteforcing-linux-full-disk-encryption.html

Proof of concept of LibreOffice remote arbitrary file disclosure vulnerability. It is possible to silently send any files. All operating systems affected before 5.4.5/6.0.1 versions.
https://github.com/jollheef/libreoffice-remote-arbitrary-file-disclosure

InfoSec Week 42, 2017

Interesting research on the possibility of a cheap online surveillance.
"In this work we examine the capability of [..] an individual with a modest budget -- to access the data collected by the advertising ecosystem. Specifically, we find that an individual can use the targeted advertising system to conduct physical and digital surveillance on targets that use smartphone apps with ads."
https://adint.cs.washington.edu/

Mnemonic company together with the Norwegian Consumer Council tested several smartwatches for children and found numerous security vulnerabilities that allows child tracking, etc.
https://www.forbrukerradet.no/side/significant-security-flaws-in-smartwatches-for-children

The Cisco Talos team discovered an e-mail campaign spreading malicious Visual Basic inserted in a Cyber Conflict U.S. conference flyer, targeting cyber warfare conference participants.
http://blog.talosintelligence.com/2017/10/cyber-conflict-decoy-document.html

SfyLabs security researchers have spotted a new Android banking trojan named LokiBot. It has banking trojan functionality, but turns into ransomware and locks users out of their phones if they try to remove its admin privileges.
https://www.bleepingcomputer.com/news/security/lokibot-android-banking-trojan-turns-into-ransomware-when-you-try-to-remove-it/

There is a newly published cryptographic attack on some legacy systems like Fortinet FortiGate VPN, which uses ANSI X9.31 random number generator with a hardcoded seed key.
https://duhkattack.com/
https://blog.cryptographyengineering.com/2017/10/23/attack-of-the-week-duhk/

Nice explanation of a remote code execution vulnerability (CVE-2017-13772) on a TP-Link WR940N home WiFi router.
https://www.fidusinfosec.com/tp-link-remote-code-execution-cve-2017-13772/

Purism’s Librem Laptops running open-source coreboot firmware are now available with completely disabled Intel Management Engine.
https://puri.sm/posts/purism-librem-laptops-completely-disable-intel-management-engine/

Wire, open source end-to-end encrypted messenger is now open for corporate clients. It offers secure chats, calls and file sharing while following strict European data protection laws.
https://medium.com/@wireapp/wire-open-for-business-2c535033cf9a