Xavier’s diary entry “Abusing DLLs EntryPoint for the Fun” inspired me to do some tests with TLS Callbacks and DLLs. TLS stands for Thread Local Storage. TLS Callbacks are an execution mechanism in Windows PE files that lets code run automatically when a process or thread starts, before the program’s normal entry point is reached. I’ve…
ISC Stormcast For Friday, December 19th, 2025 https://isc.sans.edu/podcastdetail/9746, (Fri, Dec 19th) Source link
For the past three years, the Tor Project has been working to improve the tools, resources, and protocols used to monitor the health of the Tor network. This work aims to strengthen the Tor network’s resilience and resist relay attacks. As part of this effort, in October 2025, 7aSecurity conducted a code audit of those…
Overview On December 17, 2025, Hewlett Packard Enterprise (HPE) published an advisory for CVE-2025-37164, a CVSS 10.0 vulnerability in HPE OneView. The vulnerability, which was reported to HPE by security researcher Nguyen Quoc Khanh, facilitates unauthenticated remote code execution (RCE) on versions of HPE OneView before 11.0. Defenders are advised to prioritize upgrading to version…
Since the end of the year is quickly approaching, it is undoubtedly a good time to look back at what the past twelve months have brought to us… And given that the entire cyber security profession is about protecting various systems from “bad things” (and we’ve all correspondingly seen more than our share of the…
ISC Stormcast For Thursday, December 18th, 2025 https://isc.sans.edu/podcastdetail/9744, (Thu, Dec 18th) Source link
Overview A recently disclosed pair of vulnerabilities affecting Fortinet devices—CVE-2025-59718 and CVE-2025-59719—are drawing urgent attention after confirmation of their active exploitation in the wild. The vulnerabilities carry a critical CVSSv3 score and allow an unauthenticated remote attacker to bypass authentication using a crafted SAML message, ultimately gaining administrative access to the device. Current information indicates…
Following disclosure of the React2Shell vulnerability (CVE-2025-55182), a maximum-severity Remote Code Execution (RCE) in React Server Components (RSC) a.k.a. the Flight protocol, security teams are assessing exposure and validating fixes. React and ecosystem vendors have released patches; exploitation in the wild has been reported, so rapid validation matters. What is React2Shell? React2Shell is an unauthenticated…
Earlier this year, I was asked about the connection between digital rights to human rights. I responded with my own questions. Today, I’m asking you those same questions: When was the last time you learned about a police or military force harming a community? Where did you learn that information? When was the last time…
I have already talked about various React2Shell exploit attempts we have observed in the last weeks. But new varieties of the exploit are popping up, and the most recent one is using this particular version of the exploit: POST /app HTTP/1.1 Host: 81.187.66.58 Content-Type: multipart/form-data; boundary=—-WebKitFormBoundary7MA4YWxkTrZu0gW Next-Action: 0 Rsc-Action: 0 Content-Length: 388 User-Agent: Mozilla/5.0…
