CVE-2009-3691 is a critical integer overflow vulnerability affecting IBM Informix Client SDK versions 3.0 and 3.50, and Informix Connect Runtime 3.x. This flaw, residing in the setnet32.exe component, allows remote attackers to execute arbitrary code by crafting a malicious .nfx file with oversized HostSize, ProtoSize, or ServerSize fields, leading to a stack-based buffer overflow. With a CVSS score of 9.3, it presents a high risk due to its network-based attack vector, medium attack complexity, and complete compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, public exploit code exists on ExploitDB, though there is minimal community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.0CPE matchmatch criteria | cpe:2.3:a:ibm:informix_client_sdk:3.0:*:*:*:*:*:*:* | ||
3.50CPE matchmatch criteria | cpe:2.3:a:ibm:informix_client_sdk:3.50:*:*:*:*:*:*:* | ||
3.0CPE matchmatch criteria | cpe:2.3:a:ibm:informix_connect_runtime:3.0:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:C/I:C/A:C
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.