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CVE-2009-3522

HighPublished

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...

Published: Oct 1, 2009
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: Nov 17, 2009

Primary CVSS

7.2/ 10High

nvd · CVSS 2.0

AV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS probability estimate

0.9%

Low · next 30 days

Percentile: 59.1%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

Avast! 4.8.1351.0 AntiVirus - 'aswMon2.sys' Kernel Memory CorruptionExploit
Giuseppe · windows · Nov 17, 2009

Responsible use

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