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Alexander V. Leonov
About Elevation of Privilege – Windows Process Activation (CVE-2025-21204) vulnerability. This vulnerability from the April Microsoft Patch Tuesday was not highlighted by VM vendors in their reviews. It affects the Windows Update Stack component and is related to improper link resolution before file access (CWE-59). 🔻 On April 14, researcher Elli Shlomo (CYBERDOM) published a […]
April “In the Trend of VM” (#14): vulnerabilities in Microsoft Windows, VMware products, Kubernetes, and Apache Tomcat. We decided to pause recording new videos, so for now only text. 🤷♂️🙂 🗞 Post on Habr (rus)🗒 Digest on the PT website (rus) A total of 11 trending vulnerabilities: 🔻 Elevation of Privilege – Windows Cloud Files […]
March episode “In the Trend of VM” (#13): vulnerabilities of Microsoft, PAN-OS, СommuniGate and who should patch hosts with deployed application. I’m posting the translated video with a big delay, but it’s better than never. 😉 📹 Video on YouTube and LinkedIn🗞 Post on Habr (rus)🗒 Digest on the PT website Content: 🔻 00:00 Greetings […]
April Microsoft Patch Tuesday. A total of 153 vulnerabilities, 2 times more than in March. Of these, 32 were added between the March and April MSPTs. Three vulnerabilities show signs of exploitation in the wild: 🔻 EoP – Windows Common Log File System Driver (CVE-2025-29824). An attacker can gain SYSTEM privileges. No technical details yet.🔻 […]
About Elevation of Privilege – Windows Cloud Files Mini Filter Driver (CVE-2024-30085) vulnerability. cldflt.sys is a Windows Cloud Files Mini Filter driver responsible for representing cloud-stored files and folders as if they were located on the local machine. The vulnerability in this driver, fixed as part of the June 2024 Microsoft Patch Tuesday, allows an […]
About Remote Code Execution – Apache Tomcat (CVE-2025-24813) vulnerability. Apache Tomcat is an open-source software that provides a platform for Java web applications. The vulnerability allows a remote attacker to upload and execute arbitrary files on the server due to flaws in the handling of uploaded session files and the deserialization mechanism. 🔻 The vendor’s […]
About Remote Code Execution – Kubernetes (CVE-2025-1974) vulnerability. An unauthenticated attacker with access to the pod network can achieve arbitrary code execution in the context of the ingress-nginx controller. This can lead to disclosure of Secrets accessible to the controller. In the default installation, the controller can access all Secrets cluster-wide. 🔹 On March 24, […]
About Remote Code Execution – Veeam Backup & Replication (CVE-2025-23120) vulnerability. Veeam B&R is a client-server software solution for centralized backup of virtual machines in VMware vSphere and Microsoft Hyper-V environments. A deserialization flaw (CWE-502) lets an attacker run arbitrary code on a Veeam server. The necessary conditions: the Veeam server must be part of […]
March Linux Patch Wednesday. Total vulnerabilities: 1083. 😱 879 in the Linux Kernel. 🤦♂️ Two vulnerabilities show signs of exploitation in the wild: 🔻 Code Injection – GLPI (CVE-2022-35914). An old vulnerability from CISA KEV, but first patched on March 3 in RedOS Linux.🔻 Memory Corruption – Safari (CVE-2025-24201). Fixed in WebKitGTK packages in Linux […]
About Spoofing – Windows File Explorer (CVE-2025-24071) vulnerability. The vulnerability is from the March Microsoft Patch Tuesday. The VM vendors didn’t highlight it in their reviews. A week later, on March 18, researcher 0x6rss published a write-up and a PoC exploit. According to him, the vulnerability is exploited in the wild, and the exploit has […]