CVE-2005-0551

Windows 2000, XP SP1/SP2, Server 2003 - Local Privilege Escalation via WINSRV.DLL FaceName Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2005-0551. PoCs published by eyas.

AI-analyzed exploit summary This exploit targets a stack overflow vulnerability in CSRSS.EXE (CVE-2005-0551) on Windows 2000 SP3/SP4. It crafts a malicious CONSOLE_STATE_INFO structure to trigger the overflow, executes arbitrary code via a JMP ESP instruction, and adds a new administrator user.

Description

Stack-based buffer overflow in WINSRV.DLL in the Client Server Runtime System (CSRSS) process of Microsoft Windows 2000, Windows XP SP1 and SP2, and Windows Server 2003 allows local users to gain privileges via a specially-designed application that provides console window information with a long FaceName value.

Exploits (1)

exploitdb WORKING POC VERIFIED
by eyas · clocalwindows
https://www.exploit-db.com/exploits/1198

This exploit targets a stack overflow vulnerability in CSRSS.EXE (CVE-2005-0551) on Windows 2000 SP3/SP4. It crafts a malicious CONSOLE_STATE_INFO structure to trigger the overflow, executes arbitrary code via a JMP ESP instruction, and adds a new administrator user.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Windows 2000 SP3/SP4
No auth needed
Prerequisites: Target must be running Windows 2000 SP3/SP4 · Attacker must have local access to execute the exploit
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (6)

Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1822
Patch, Vendor Advisory third-party-advisory x_refsource_idefense
http://www.idefense.com/application/poi/display?id=230&type=vulnerabilities
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A777
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A266
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3544

Scores

EPSS 0.2153
EPSS Percentile 97.3%

Details

Status published
Products (3)
microsoft/windows_2000
microsoft/windows_2003_server r2
microsoft/windows_xp (2 CPE variants)
Published May 02, 2005
Tracked Since Feb 18, 2026