April “In the Trend of VM” (#14): vulnerabilities in Microsoft Windows, VMware products, Kubernetes, and Apache Tomcat

About Spoofing – Windows NTLM (CVE-2025-24054) vulnerability. It was patched in the March Microsoft Patch Tuesday. VM vendors didn’t mention this vulnerability in their reviews; it was only known to be exploited via user interaction with a malicious file. A month later, on April 16, Check Point published a blog post with technical details, revealing […]

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, […]

A security issue was discovered in Kubernetes where under certain conditions, 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. (Note that in the default installation, the controller can access all Secrets cluster-wide.)

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 […]

Thorsten picks apart some headlines, highlights Talos’ report on an unknown attacker predominantly targeting Japan, and asks, “Where is the victim, and does it matter?”

Microsoft's March 2025 Patch Tuesday fixes six actively exploited zero-day vulnerabilities, including critical RCE and privilege escalation flaws. Learn how these vulnerabilities impact Windows systems and why immediate patching is essential.

Microsoft's March 2025 Patch Tuesday fixes six actively exploited zero-day vulnerabilities, including critical RCE and privilege escalation flaws. Learn how these vulnerabilities impact Windows systems and why immediate patching is essential.

Microsoft's March 2025 Patch Tuesday fixes six actively exploited zero-day vulnerabilities, including critical RCE and privilege escalation flaws. Learn how these vulnerabilities impact Windows systems and why immediate patching is essential.

Microsoft's March 2025 Patch Tuesday fixes six actively exploited zero-day vulnerabilities, including critical RCE and privilege escalation flaws. Learn how these vulnerabilities impact Windows systems and why immediate patching is essential.

March Microsoft Patch Tuesday. 77 CVEs, 20 of which were added during the month. 7 vulnerabilities with signs of exploitation in the wild: 🔻 RCE – Windows Fast FAT File System Driver (CVE-2025-24985)🔻 RCE – Windows NTFS (CVE-2025-24993)🔻 SFB – Microsoft Management Console (CVE-2025-26633)🔻 EoP – Windows Win32 Kernel Subsystem (CVE-2025-24983)🔻 InfDisc – Windows NTFS […]

March Microsoft Patch Tuesday. 77 CVEs, 20 of which were added during the month. 7 vulnerabilities with signs of exploitation in the wild: 🔻 RCE – Windows Fast FAT File System Driver (CVE-2025-24985)🔻 RCE – Windows NTFS (CVE-2025-24993)🔻 SFB – Microsoft Management Console (CVE-2025-26633)🔻 EoP – Windows Win32 Kernel Subsystem (CVE-2025-24983)🔻 InfDisc – Windows NTFS […]

March Microsoft Patch Tuesday. 77 CVEs, 20 of which were added during the month. 7 vulnerabilities with signs of exploitation in the wild: 🔻 RCE – Windows Fast FAT File System Driver (CVE-2025-24985)🔻 RCE – Windows NTFS (CVE-2025-24993)🔻 SFB – Microsoft Management Console (CVE-2025-26633)🔻 EoP – Windows Win32 Kernel Subsystem (CVE-2025-24983)🔻 InfDisc – Windows NTFS […]

March Microsoft Patch Tuesday. 77 CVEs, 20 of which were added during the month. 7 vulnerabilities with signs of exploitation in the wild: 🔻 RCE – Windows Fast FAT File System Driver (CVE-2025-24985)🔻 RCE – Windows NTFS (CVE-2025-24993)🔻 SFB – Microsoft Management Console (CVE-2025-26633)🔻 EoP – Windows Win32 Kernel Subsystem (CVE-2025-24983)🔻 InfDisc – Windows NTFS […]

Microsoft today issued more than 50 security updates for its various Windows operating systems, including fixes for a whopping six zero-day vulnerabilities that are already seeing active exploitation.

Microsoft today issued more than 50 security updates for its various Windows operating systems, including fixes for a whopping six zero-day vulnerabilities that are already seeing active exploitation.

Microsoft today issued more than 50 security updates for its various Windows operating systems, including fixes for a whopping six zero-day vulnerabilities that are already seeing active exploitation.

Microsoft today issued more than 50 security updates for its various Windows operating systems, including fixes for a whopping six zero-day vulnerabilities that are already seeing active exploitation.

Microsoft has released its monthly security update for March of 2025 which includes 57 vulnerabilities affecting a range of products, including 6 that Microsoft marked as “critical”.

Microsoft has released its monthly security update for March of 2025 which includes 57 vulnerabilities affecting a range of products, including 6 that Microsoft marked as “critical”.

Microsoft has released its monthly security update for March of 2025 which includes 57 vulnerabilities affecting a range of products, including 6 that Microsoft marked as “critical”.

Microsoft has released its monthly security update for March of 2025 which includes 57 vulnerabilities affecting a range of products, including 6 that Microsoft marked as “critical”.

Path Equivalence: 'file.Name' (Internal Dot) leading to Remote Code Execution and/or Information disclosure and/or malicious content added to uploaded files via write enabled Default Servlet in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.2, from 10.1.0-M1 through 10.1.34, from 9.0.0.M1 through 9.0.98. If all of the following were true, a malicious user was able to view security sensitive files and/or inject content into those files: - writes enabled for the default servlet (disabled by default) - support for partial PUT (enabled by default) - a target URL for security sensitive uploads that was a sub-directory of a target URL for public uploads - attacker knowledge of the names of security sensitive files being uploaded - the security sensitive files also being uploaded via partial PUT If all of the following were true, a malicious user was able to perform remote code execution: - writes enabled for the default servlet (disabled by default) - support...

CVE-2024-30080 is the only critical issue in Microsoft's June 2024 Patch Tuesday update, but many others require prompt attention as well.