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avast! 'aswRdr.sys' Buffer Overflow Vulnerability

Information

Severity

Severity

High

Family

Family

Buffer overflow

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

13 years ago

Modified

Modified

3 years ago

Summary

This host is installed with avast! AntiVirus and is prone to Buffer Overflow vulnerability.

Insight

Insight

The vulnerability is due to an error in 'aswRdr.sys' when processing IOCTLs. This can be exploited to corrupt kernel memory via a specially crafted 0x80002024 IOCTL.

Affected Software

Affected Software

avast! Home and Professional version 4.8.1356 and prior on Windows.

Solution

Solution

Upgrade to avast! Home and Professional version 4.8.1367 or later

Common Vulnerabilities and Exposures (CVE)