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Aast! Antivirus 'aavmker4.sys' Denial Of Service Vulnerability (Windows)
Information
Severity
Severity
High
Family
Family
Denial of Service
CVSSv2 Base
CVSSv2 Base
7.2
CVSSv2 Vector
CVSSv2 Vector
AV:L/AC:L/Au:N/C:C/I:C/A:C
Solution Type
Solution Type
Vendor Patch
Created
Created
14 years ago
Modified
Modified
5 years ago
Summary
This host is installed with avast! AntiVirus and is prone to Denial Of Service vulnerability.
Insight
Insight
The flaw is due to an error in the 'aavmker4.sys' kernel driver when processing certain IOCTLs. This can be exploited to corrupt kernel memory via a specially crafted 0xb2d60030 IOCTL.
Affected Software
Affected Software
avast! Home and Professional version 4.8 to 4.8.1368.0 and avast! Home and Professional version 5.0 before 5.0.418.0 on Windows
Solution
Solution
Upgrade to avast! version 5.0.418 or later