CVE-2009-3523 is a local privilege escalation vulnerability affecting avast! Home and Professional for Windows versions prior to 4.8.1356. It stems from improper input validation in the aavmKer4.sys driver, allowing local users to achieve memory corruption and elevate privileges through crafted IOCTL requests. With a CVSS score of 6.9, this vulnerability has a high impact on confidentiality, integrity, and availability, requiring local access and medium attack complexity. While not actively exploited in the wild, public exploit code is available on ExploitDB, though there is minimal community discussion or media coverage surrounding it.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.8.1351CPE matchmatch criteria | cpe:2.3:a:avast:avast_antivirus_home:*:*:windows:*:*:*:*:* | ||
4.7.827CPE matchmatch criteria | cpe:2.3:a:avast:avast_antivirus_home:4.7.827:*:windows:*:*:*:*:* | ||
4.7.844CPE matchmatch criteria | cpe:2.3:a:avast:avast_antivirus_home:4.7.844:*:windows:*:*:*:*:* | ||
4.7.869CPE matchmatch criteria | cpe:2.3:a:avast:avast_antivirus_home:4.7.869:*:windows:*:*:*:*:* | ||
4.7.1043CPE matchmatch criteria | cpe:2.3:a:avast:avast_antivirus_home:4.7.1043:*:windows:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:L/AC:M/Au:N/C:C/I:C/A:C
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.