Computer Associates (CA) Anti-Virus vetfddnt.sys and vetmonnt.sys denial of service
| ca-vetmonnt-vetfddnt-dos (30909) |  Low Risk |
Description:
Multiple Computer Associates (CA) products are vulnerable to a denial of service, caused by the improper handling of NULL buffers in the vetmonnt.sys and vetfddnt.sys drivers. A local authenticated attacker could use privileged IOCTL controls to crash the vulnerable system, resulting in a denial of service.
Platforms Affected:
- CA, eTrust Antivirus 8.1
- CA, eTrust Antivirus 8.2 Beta
- CA, Internet Security Suite 2007
Remedy:
Refer to the CA Knowledge Document 2651 for patch or upgrade information. See References.
Consequences:
Denial of Service
References:
- BugTraq Mailing List, Thu Dec 14 2006 - 11:42:51 CST, [CAID 34870]: CA Anti-Virus vetfddnt.sys, vetmonnt.sys Local Denial of Service Vulnerabilities at http://archives.neohapsis.com/archives/bugtraq/2006-12/0245.html.
- CA Knowledge Document 2651, Low Risk CA Anti-Virus Vulnerability - Multiple Local Denial of Service at http://crm.my-etrust.com/CIDocument.asp?KDId=2651&GUID=D83D61D95280480195BECA4A3BAC1761.
- eTrust® Antivirus Web site, CA Anti-Virus at http://www3.ca.com/solutions/Product.aspx?ID=156.
- Reversemode Advisory 13 Dec 2006, CA Anti-virus Drivers Multiple local Kernel-Mode DoS vulnerabilities at http://www.reversemode.com/index.php?option=com_remository&Itemid=2&func=download&id=41&chk=137dce0c5448a85b22998ad7d9367050.
- BID-21593: Computer Associates Anti-Virus Drivers Multiple Local Denial Of Service Vulnerabilities
- CVE-2006-6496: The (1) VetMONNT.sys and (2) VetFDDNT.sys drivers in CA Anti-Virus 2007 8.1, Anti-Virus for Vista Beta 8.2, and CA Internet Security Suite 2007 v3.0 do not properly handle NULL buffers, which allows local users with administrative access to cause a denial of service (system crash) via certain IOCTLs.
- SA23378: CA Anti-Virus Drivers Denial of Service Vulnerabilities
- SECTRACK ID: 1017381: CA Anti-Virus NULL Buffer Errors in vetfddnt.sys and vetmonnt.sys Drivers Let Local Users Deny Service
- SECTRACK ID: 1017382: CA Internet Security NULL Buffer Errors in vetfddnt.sys and vetmonnt.sys Drivers Let Local Users Deny Service
- VUPEN/ADV-2006-5010: CA Internet Security Suite and Anti-Virus Drivers Local Denial of Service Vulnerabilities
Reported:
Dec 14, 2006
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