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.
*CVSS:
| Base Score: | 2.1 |
| Access Vector: | Local |
| Access Complexity: | Low |
| Authentication: | Required |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Complete |
| Temporal Score: | 1.6 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Refer to the CA Knowledge Document 2651 for patch or upgrade information. See References.
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.
- CA Knowledge Document 2651: Low Risk CA Anti-Virus Vulnerability - Multiple Local Denial of Service.
- eTrust® Antivirus Web site: CA Anti-Virus.
- Reversemode Advisory 13 Dec 2006: CA Anti-virus Drivers Multiple local Kernel-Mode DoS vulnerabilities.
- 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
Platforms Affected:
- CA eTrust Antivirus 8.1
- CA eTrust Antivirus 8.2 Beta
- CA Internet Security Suite 2007
Reported:
Dec 14, 2006
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For corrections or additions please email xforce@iss.net
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.