Bypassing SSRF Filters Using r3dir
We demonstrate how to use the r3dir tool to bypass some SSRF filters. r3dir is a convenient redirection service made for SSRF filter bypasses.
CVE-2024-31735: LibEvent Library Memory Leak
A memory leak in the LibEvent Library v2.1.12-stable allows an attacker to cause a denial of service (DoS).
Vulnerability Research and the Importance of Supporting Young Talent
This is a story with a happy ending where we were able to get back to the collaboration from the early open disclosure days, utilize modern practices to ensure responsible handling of the information, and allow a young person to make a positive contribution to infosec.
TunnelVision (CVE-2024-3661): How Attackers Can Decloak Routing-Based VPNs For a Total VPN Leak
We discovered a fundamental design problem in VPNs and we're calling it TunnelVision. This problem lets someone see what you're doing online, even if you think you're safely using a VPN.
Encoding Bitwise Functions as Polynomials
Use polynomials to represent Boolean functions, see how they can be solved using generic math, analyze the properties of the representation, and use them to construct an arithmetic logic unit (ALU).
When You Have No Bars
A major network update failure led to a massive cellphone service outage across the US, impacting thousands and disrupting essential services. Despite cellular networks’ redundancy, the incident highlighted vulnerabilities in communication infrastructure when multiple base stations fail simultaneously.