58402 : avast! Home / Professional aswMon2.sys IOCTL Handling Memory Corruption Local Privilege Escalation
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
13	1295	over 3 years ago	over 2 years ago	7 times	45%

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Timeline

Disclosure Date
2009-09-23

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2009-3522" target="_blank">CVE</a>)</em> : Stack-based buffer overflow in aswMon2.sys in avast! Home and Professional for Windows 4.8.1351, and possibly other versions before 4.8.1356, allows local users to cause a denial of service (system crash) and possibly gain privileges via a crafted IOCTL request to IOCTL 0xb2c80018.

Classification

Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Disclosure: Vendor Verified

Solution

Upgrade to version 4.8.1356 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Unknown or Incomplete

References

Exploit Database: 10106
Security Tracker: 1022940
CVE ID: 2009-3522 (see also: NVD)
Bugtraq ID: 36507
Secunia Advisory ID: 36858
ISS X-Force ID: 53456
Related OSVDB ID: 58402
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/2009-09/0206.html
Vendor Specific News/Changelog Entry: http://www.avast.com/eng/avast-4-home_pro-revision-history.html
Other Advisory URL: http://www.vupen.com/english/advisories/2009/2761
https://www.evilfingers.com/advisory/Advisory/Avast_aswMon2.sys_kernel_memory_corruption_and_Local_Privilege_Escalation.php

Tools & Filters

	42261

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 7.2
Source: nvd.nist.gov | Generated: 2009-10-02 | Disagree?

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