Home/CVE/Stack-based buffer overflow in aswMon2.sys in avast! Home and Professional for Windows 4.8.1351, and possibly other vers
CVE

CVE-2009-3522

Stack-based buffer overflow in aswMon2.sys in avast! Home and Professional for Windows 4.8.1351, and possibly other vers

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.

HIGH · CVSS 7.2 EPSS 0.00437
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

2
avast antivirus homeall versions
avast antivirus professionalall versions
⚠

Public Exploits & PoCs

3
dosAvast! 4.8.1351.0 AntiVirus - 'aswMon2.sys' Kernel Memory Corruptionverified
pocwww.securityfocus.com · 36507www.securityfocus.com
pocwww.evilfingers.com · Avast_aswMon2.sys_kernel_memory_corruption_and_Local_Priv...www.evilfingers.com
▣

Scoring & Timeline

7.2
HIGH · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:L/AC:L/Au:N/C:C/I:C/A:C
Published to NVD01 Oct 2009 · 05:00 PM
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://osvdb.org/58402
http://secunia.com/advisories/36858Vendor Advisory
http://www.avast.com/eng/avast-4-home_pro-revision-history.htmlVendor Advisory
http://www.securityfocus.com/archive/1/506681/100/0/threaded
http://www.securitytracker.com/id?1022940
http://www.vupen.com/english/advisories/2009/2761Vendor Advisory
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