SB20241112106 - NTLMv2 hash disclosure in Microsoft Windows MSHTML component



SB20241112106 - NTLMv2 hash disclosure in Microsoft Windows MSHTML component

Published: November 12, 2024 Updated: January 31, 2025

Security Bulletin ID SB20241112106
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Information disclosure (CVE-ID: CVE-2024-43451)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to disclosure of a user's NTLMv2 hash. A remote attacker can trick the victim into visiting a specially crafted website and obtain their NTLMv2 hash.

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install update from vendor's website.