Description
The Authenticode Signature Verification function in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, Windows 7 Gold and SP1, and Windows 8 Consumer Preview does not properly validate the digest of a signed portable executable (PE) file, which allows user-assisted remote attackers to execute arbitrary code via a modified file with additional content, aka "WinVerifyTrust Signature Validation Vulnerability."
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Microsoft / Windows 7
- Microsoft / Windows 7
- Microsoft / Windows 7
- Microsoft / windows_server_2003
- Microsoft / windows_server_2008r2 – r2
- Microsoft / windows_server_2008r2 – r2
- Microsoft / windows_server_2008r2 – r2
- Microsoft / windows_server_2008r2 – r2
- Microsoft / windows_server_2008
- Microsoft / windows_server_2008
- Microsoft / windows_server_2008
- Microsoft / windows_vista
- Microsoft / windows_xp
- Microsoft / windows_xp
- Microsoft / windows_xp
References
- MISChttp://www.securitytracker.com/id?1026906
- MISChttp://osvdb.org/81135
- MISChttp://www.us-cert.gov/cas/techalerts/TA12-101A.html
- VENDOR_ADVISORYhttp://secunia.com/advisories/48581
- MISChttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-024
- MISChttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15594