Description
Sophos Anti-Virus 7.0.5, and other 7.x versions, when Runtime Behavioural Analysis is enabled, allows local users to cause a denial of service (reboot with the product disabled) and possibly gain privileges via a zero value in a certain length field in the ObjectAttributes argument to the NtCreateKey hooked System Service Descriptor Table (SSDT) function.
References
- 29996 third-party-advisory
- 28743 vdb-entry
- 3838 third-party-advisory
- ADV-2008-1381 vdb-entry
- sophos-ssdt-dos(42083) vdb-entry
- http://www.coresecurity.com/?action=item&id=2249
- http://www.sophos.com/support/knowledgebase/article/37810.html
- 20080428 CORE-2008-0320 - Insufficient argument validation of hooked SSDT functions on multiple Antivirus and Firewalls mailing-list
- 1019945 vdb-entry