CVE-2011-2003
Description
Buffer overflow in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code via a crafted .fon file, aka "Font Library File Buffer Overrun Vulnerability."
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
Microsoft Windows - '.fon' Kernel-Mode Buffer Overrun (PoC) (MS11-077)
OS impact
Windows Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| r2 | Affected | — |
| - | Affected | — |
| — | Affected | — |
References
- http://securityreason.com/securityalert/8473
- http://www.securitytracker.com/id?1026165
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-077
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13103
- http://securityreason.com/securityalert/8473
- http://www.securitytracker.com/id?1026165
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-077
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13103
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.