Avast! Insecure Program File Permissions Local Privilege Escalation Vulnerability

BID:36796

Info

Avast! Insecure Program File Permissions Local Privilege Escalation Vulnerability

Bugtraq ID: 36796
Class: Design Error
CVE: CVE-2009-3524
Remote: No
Local: Yes
Published: Oct 22 2009 12:00AM
Updated: Mar 19 2015 09:11AM
Credit: Maxim A. Kulakov
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 Professional Edition 4.0
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! Insecure Program File Permissions Local Privilege Escalation Vulnerability

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

A local attacker can exploit this issue to execute arbitrary code with SYSTEM-level privileges, resulting in a complete compromise of the affected computer,

The following versions are affected:

Avast! Professional Edition 4.8.1351 and prior.
Avast! Home Edition 4.8.1351 and prior.

Exploit / POC

Avast! Insecure Program File Permissions Local Privilege Escalation Vulnerability

An attacker can use filesystem utilities to exploit this issue.

Solution / Fix

Avast! Insecure Program File Permissions Local Privilege Escalation Vulnerability

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

References

Avast! Insecure Program File Permissions Local Privilege Escalation Vulnerability

References:

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