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CVE-2009-3691

Multiple integer overflows in setnet32.exe 3.50.0.13752 in IBM Informix Client SDK 3.0 and 3.50 and Informix Connect Runtime 3.x allow remote attackers to execute arbitrary code via a .nfx file with a crafted (1) HostSize, and possibly (2) ProtoSize and (3) ServerSize, field that triggers a stack-based buffer overflow involving a crafted HostList field. NOTE: some of these details are obtained from third party information.

Security Impact Summary

CVE-2009-3691 is a security vulnerability that . Impacting 2 products from ibm, from ibm organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2009, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2009-10-13T10:30:00.670

Last Modified

2026-04-23T00:35:47.467

Status

Modified

Source

[email protected]

Severity

CVSSv2: 9.3 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.6

Impact Score

10.0

Weaknesses

Type: Primary
CWE-189

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	ibm	informix_client_sdk	3.0	Yes
Application	ibm	informix_client_sdk	3.50	Yes
Application	ibm	informix_connect_runtime	3.0	Yes

References

http://retrogod.altervista.org/9sg_ibm_setnet32.html Exploit ([email protected])
http://secunia.com/advisories/36949 Vendor Advisory ([email protected])
http://securitytracker.com/id?1022985 ([email protected])
http://www.osvdb.org/58530 ([email protected])
http://www.securityfocus.com/bid/36588 ([email protected])
http://www.vupen.com/english/advisories/2009/2834 Vendor Advisory ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/53644 ([email protected])
http://retrogod.altervista.org/9sg_ibm_setnet32.html Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/36949 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://securitytracker.com/id?1022985 (af854a3a-2127-422b-91ae-364da2661108)
http://www.osvdb.org/58530 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/36588 (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2009/2834 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/53644 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For ibm's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.