CVE-2015-0002
Description
The AhcVerifyAdminContext function in ahcache.sys in the Application Compatibility component in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 does not verify that an impersonation token is associated with an administrative account, which allows local users to gain privileges by running AppCompatCache.exe with a crafted DLL file, aka MSRC ID 20544 or "Microsoft Application Compatibility Infrastructure Elevation of Privilege 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 8.1 (x86/x64) - 'ahcache.sys' NtApphelpCacheControl Privilege Escalation
Metasploit modules
OS impact
Windows Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| r2 | Affected | — |
| - | Affected | — |
References
- http://secunia.com/advisories/61277
- http://twitter.com/sambowne/statuses/550384131683520512
- http://www.securityfocus.com/bid/71972
- http://www.zdnet.com/article/google-discloses-unpatched-windows-vulnerability/
- https://code.google.com/p/google-security-research/issues/detail?id=118
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-001
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99523
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99524
- http://secunia.com/advisories/61277
- http://twitter.com/sambowne/statuses/550384131683520512
- http://www.securityfocus.com/bid/71972
- http://www.zdnet.com/article/google-discloses-unpatched-windows-vulnerability/
- https://code.google.com/p/google-security-research/issues/detail?id=118
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-001
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99523
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99524
CWEs
CWE-264
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.