CVE-2009-3523

Avast Antivirus Home < 4.8.1351 - Improper Input Validation

Title source: rule

Description

aavmKer4.sys in avast! Home and Professional for Windows before 4.8.1356 does not properly validate input to IOCTLs (1) 0xb2d6000c and (2) 0xb2d60034, which allows local users to gain privileges via IOCTL requests using crafted kernel addresses that trigger memory corruption, a different vulnerability than CVE-2008-1625.

Exploits (1)

exploitdb WORKING POC

pythonlocalwindows

https://www.exploit-db.com/exploits/12406

View on exploitdb

References (4)

[Vendor Advisory] http://secunia.com/advisories/36858

[Various Sources] http://www.avast.com/eng/avast-4-home_pro-revision-history.html

[Exploit] http://www.ntinternals.org/ntiadv0904/ntiadv0904.html

[Third Party Advisory, VDB Entry] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6024

Scores

EPSS 0.0016

EPSS Percentile 36.5%

Classification

CWE

CWE-20

Status draft

Affected Products (29)

avast/avast_antivirus_home < 4.8.1351

avast/avast_antivirus_home

avast/avast_antivirus_home

avast/avast_antivirus_home

avast/avast_antivirus_home

avast/avast_antivirus_home

avast/avast_antivirus_home

avast/avast_antivirus_home

avast/avast_antivirus_home

avast/avast_antivirus_home

avast/avast_antivirus_home

avast/avast_antivirus_home

avast/avast_antivirus_home

avast/avast_antivirus_home

avast/avast_antivirus_home

... and 14 more

Timeline

Published Oct 01, 2009

Tracked Since Feb 18, 2026