Buffer overflow in Avast Antivirus Home
CVE-2009-3522
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.2 (High). Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.009 (61.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Avast Antivirus Home — versions 4.8.1351
- Avast Antivirus Professional — versions 4.8.1351
Weakness classification (CWE)
References
- www.securityfocus.com/bid/36507 (Exploit, vdb-entry)
- www.securitytracker.com/id (vdb-entry)
- www.securityfocus.com/archive/1/506681/100/0/threaded (mailing-list)
- secunia.com/advisories/36858 (Vendor Advisory, third-party-advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/53456 (vdb-entry)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:6226 (signature, vdb-entry)
- www.evilfingers.com/advisory/Advisory/Avast_aswMon2.sys_kernel_memory_corruptio… (Exploit)
- www.vupen.com/english/advisories/2009/2761 (vdb-entry, Vendor Advisory)
- www.avast.com/eng/avast-4-home_pro-revision-history.html (Vendor Advisory)
- osvdb.org/58402 (vdb-entry)