Themebleed Windows 11 Themes Arbitrary Code Execution Exploit

When an unpatched Windows 11 host loads a theme file referencing an msstyles file, Windows loads the msstyles file, and if that file's PACKMEVERSION is 999, it then attempts to load an accompanying dll file ending in vrf.dll. Before loading that file, it verifies that the file is signed. It does...

Themebleed Windows 11 Themes Arbitrary Code Execution

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Themebleed- Windows 11 Themes Arbitrary Code Execution CVE-2023-38146', 'Description' = %q When an unpatched Windows 11 host loads a theme file...

Themebleed- Windows 11 Themes Arbitrary Code Execution CVE-2023-38146

When an unpatched Windows 11 host loads a theme file referencing an msstyles file, Windows loads the msstyles file, and if that file's PACKMEVERSION is 999, it then attempts to load an accompanying dll file ending in vrf.dll Before loading that file, it verifies that the file is signed. It does...

Exploit for Time-of-check Time-of-use (TOCTOU) Race Condition in Microsoft

PoC for the ThemeBleed CVE-2023-38146 exploit Windows 11 Them...

A week in security (September 18 - September 24)

Last week on Malwarebytes Labs: Emergency update! Apple patches three zero-days T-Mobile spills billing information to other customers Involved in a data breach? Heres what you need to know Steer clear of cryptocurrency recovery phrase scams DoppelPaymer ransomware group suspects identified The...

‘ThemeBleed’ flaw in Windows 11 Enables Code Execution

Threat Level Vulnerability Report For a detailed threat advisory, download the pdf file here Summary The CVE-2023-38146 vulnerability in Windows 11 allows remote attackers to execute arbitrary code, potentially compromising the affected systems security and integrity, and posing a significant...

ThemeBleed exploit is another reason to patch Windows quickly

Included in the September 2023 Patch Tuesday updates was a fix for a vulnerability which has been dubbed ThemeBleed. A Proof-of-Concept PoC exploit has been released by Gabe Kirkpatrick, one of the researchers acknowledged for reporting the vulnerability. The Common Vulnerabilities and Exposures...