Avast! Antivirus 'aavmKer4.sys' Driver Local Privilege Escalation Vulnerability

BID:36888

Info

Avast! Antivirus 'aavmKer4.sys' Driver Local Privilege Escalation Vulnerability

Bugtraq ID: 36888
Class: Input Validation Error
CVE: CVE-2009-3523
Remote: No
Local: Yes
Published: Sep 24 2009 12:00AM
Updated: Mar 19 2015 09:46AM
Credit: NT Internals
Vulnerable: Avast! Antivirus Professional Edition 4.8.1351
Avast! Antivirus Professional Edition 4.8.1335
Avast! Antivirus Professional Edition 4.8.1169
Avast! Antivirus Professional Edition 4.7.1098
Avast! Antivirus Professional Edition 4.7.1043
Avast! Antivirus Professional Edition 4.7.844
Avast! Antivirus Professional Edition 4.7.827
Avast! Antivirus Professional Edition 4.6.691
Avast! Antivirus Professional Edition 4.6.665
Avast! Antivirus Professional Edition 4.6.652
Avast! Antivirus Professional Edition 4.6.603
Avast! Antivirus Professional Edition 4.6
Avast! Antivirus Home Edition 4.8.1351
Avast! Antivirus Home Edition 4.8.1335
Avast! Antivirus Home Edition 4.8.1169
Avast! Antivirus Home Edition 4.7.1098
Avast! Antivirus Home Edition 4.7.1043
Avast! Antivirus Home Edition 4.7.869
Avast! Antivirus Home Edition 4.7.844
Avast! Antivirus Home Edition 4.7.827
Avast! Antivirus Home Edition 4.6.691
Avast! Antivirus Home Edition 4.6.665
Avast! Antivirus Home Edition 4.6.655
Avast! Antivirus Home Edition 4.6.652
Avast! Antivirus Home Edition 4.6
Avast! Antivirus Home Edition 4.0
Not Vulnerable: Avast! Antivirus Professional Edition 4.8.1356
Avast! Antivirus Home Edition 4.8.1356

Discussion

Avast! Antivirus 'aavmKer4.sys' Driver Local Privilege Escalation Vulnerability

Avast! Antivirus is prone to a local privilege-escalation vulnerability.

Local attackers can exploit this issue to execute arbitrary code with superuser privileges and completely compromise the affected computer. Failed exploit attempts will result in a denial-of-service condition.

Versions prior to Avast! Antivirus 4.8.1356 are vulnerable.

Exploit / POC

Avast! Antivirus 'aavmKer4.sys' Driver Local Privilege Escalation Vulnerability

The following exploit code is available:

Solution / Fix

Avast! Antivirus 'aavmKer4.sys' Driver Local Privilege Escalation Vulnerability

Solution:
Updates are available. Please see the references for details.

References

Avast! Antivirus 'aavmKer4.sys' Driver Local Privilege Escalation Vulnerability

References:

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