CVE-2006-6696

Microsoft Windows < Vista - Privilege Escalation

Title source: llm

Description

Double free vulnerability in Microsoft Windows 2000, XP, 2003, and Vista allows local users to gain privileges by calling the MessageBox function with a MB_SERVICE_NOTIFICATION message with crafted data, which sends a HardError message to Client/Server Runtime Server Subsystem (CSRSS) process, which is not properly handled when invoking the UserHardError and GetHardErrorText functions in WINSRV.DLL.

Exploits (2)

exploitdb WORKING POC VERIFIED

by Ruben Santamarta · clocalwindows

https://www.exploit-db.com/exploits/3024

View Code ZIP pw:eip

exploitdb WORKING POC VERIFIED

by anonymous · doswindows

https://www.exploit-db.com/exploits/2967

View Code ZIP pw:eip

References (23)

[Various Sources] http://www.kuban.ru/forum_new/forum2/files/19124.html

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/archive/1/455546/100/0/threaded

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/archive/1/466331/100/200/threaded

[Third Party Advisory, VDB Entry] http://securitytracker.com/id?1017433

[Various Sources] http://groups.google.ca/group/microsoft.public.win32.programmer.kernel/browse_thread/thread/c5946bf40f227058/7bd7b5d66a4e5aff

[Various Sources] http://www.security.nnov.ru/Gnews944.html

[Various Sources] http://research.eeye.com/html/alerts/zeroday/20061215.html

[Various Sources] http://www.determina.com/security.research/vulnerabilities/csrss-harderror.html

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/archive/1/455088/100/0/threaded

[Various Sources] http://blogs.technet.com/msrc/archive/2006/12/22/new-report-of-a-windows-vulnerability.aspx

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/archive/1/455158/100/0/threaded

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/21688

[Vendor Advisory] https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-021

[Third Party Advisory, VDB Entry] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1816

[Third Party Advisory] http://www.vupen.com/english/advisories/2007/1325

[Various Sources] http://www.security.nnov.ru/files/messagebox.c

[Mailing List] http://lists.grok.org.uk/pipermail/full-disclosure/2006-December/051394.html

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/23324

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/archive/1/455104/100/0/threaded

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/archive/1/455061/100/0/threaded

... and 3 more

Scores

EPSS 0.0432

EPSS Percentile 88.9%

Details

CWE

CWE-119

Status published

Products (8)

microsoft/windows_2000 (5 CPE variants)

microsoft/windows_2003_server datacenter_edition (3 CPE variants)

microsoft/windows_2003_server enterprise_edition sp1 (2 CPE variants)

microsoft/windows_2003_server sp1

microsoft/windows_2003_server standard (3 CPE variants)

microsoft/windows_2003_server web (3 CPE variants)

microsoft/windows_vista (4 CPE variants)

microsoft/windows_xp (8 CPE variants)

Published Dec 22, 2006

Tracked Since Feb 18, 2026