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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

12 years ago

Modified

Modified

3 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

Common Vulnerabilities and Exposures (CVE)