Information Exposure Through Timing Discrepancy in Microsoft Windows and Windows Server - CVE-2024-29995

Vulnerability identifier: #VU95897

CSH Severity: High

CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-29995

CWE-ID: CWE-208

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the an exploitable timing discrepancy issue in Windows Kerberos. A remote attacker can perform a machine-in-the-middle (MitM) attack and gain elevated privileges on the target system.

Microsoft Windows
Windows Server

Install updates from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.4780, 10 22H2 10.0.19045.4529, 10 22H2 10.0.19045.4780, 10 1507 10.0.10240.20751, 10 1607 10.0.14393.7259, 10 1809 10.0.17763.6189
Windows Server - addressed in versions 2008 R2 6.1.7601.27277, 2008 6.0.6003.22825, 2012 R2 6.3.9600.22134, 2012 6.2.9200.25031, 2016 10.0.14393.7259, 2022 10.0.20348.2655

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2024-29995

• Privilege escalation in Microsoft Windows Kerberos