CVE-2009-2524

Microsoft Windows - Denial of Service via Malformed NTLM Authentication Packet

Title source: llm
STIX 2.1

Description

Integer underflow in the NTLM authentication feature in the Local Security Authority Subsystem Service (LSASS) in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 allows remote attackers to cause a denial of service (reboot) via a malformed packet, aka "Local Security Authority Subsystem Service Integer Overflow Vulnerability."

References (3)

Core 3
Core References
US Government Resource third-party-advisory x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA09-286A.html
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6263

Scores

EPSS 0.2847
EPSS Percentile 97.9%

Details

CWE
CWE-189
Status published
Products (5)
microsoft/windows_2003_server (3 CPE variants)
microsoft/windows_7
microsoft/windows_server_2008 (8 CPE variants)
microsoft/windows_vista (4 CPE variants)
microsoft/windows_xp (3 CPE variants)
Published Oct 14, 2009
Tracked Since Feb 18, 2026