CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:P/A:C
AI Score
Confidence
High
EPSS
Percentile
26.3%
Sophos Anti-Virus engine (SAVi) before 3.50.1, as used in VDL 4.97G 9.7.x before 9.7.9, 10.0.x before 10.0.11, and 10.3.x before 10.3.1 does not set an ACL for certain global and session objects, which allows local users to bypass anti-virus protection, cause a denial of service (resource consumption, CPU consumption, and eventual crash) or spoof “ready for update” messages by performing certain operations on mutexes or events including (1) DataUpdateRequest, (2) MmfMutexSAV-, (3) MmfMutexSAV-Info, (4) ReadyForUpdateSAV-, (5) ReadyForUpdateSAV-Info, (6) SAV-, (7) SAV-Info, (8) StateChange, (9) SuspendedSAV-, (10) SuspendedSAV-Info, (11) UpdateComplete, (12) UpdateMutex, (13) UpdateRequest, or (14) SophosALMonSessionInstance, as demonstrated by triggering a ReadyForUpdateSAV event and modifying the UpdateComplete, UpdateMutex, and UpdateRequest objects.
osvdb.org/102762
packetstormsecurity.com/files/125024/Sophos-Anti-Virus-Denial-Of-Service.html
seclists.org/fulldisclosure/2014/Feb/1
www.portcullis-security.com/security-research-and-downloads/security-advisories/cve-2014-1213/
www.securityfocus.com/archive/1/530915/100/0/threaded
www.securityfocus.com/bid/65286
www.securitytracker.com/id/1029713
www.sophos.com/en-us/support/knowledgebase/2300/7200/1031/120401.aspx