CVE-2006-3855

Severity: medium (CVSS 6.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2006-08-08 · updated 2026-06-16

Description

The ifx_load_internal function in IBM Informix Dynamic Server (IDS) allows remote authenticated users to execute arbitrary C code via the DllMain or _init function in a library, aka "C code UDR."

Affected products

IBM Informix Dynamic Server: 9.4, 9.40.tc5, 9.40.uc1, 9.40.uc2, 9.40.uc3, 9.40.uc5 (+2)

References

http://secunia.com/advisories/21301
http://www-1.ibm.com/support/docview.wss?uid=swg21242921
http://www.databasesecurity.com/informix/DatabaseHackersHandbook-AttackingInformix.pdf
http://www.osvdb.org/27689
http://www.securityfocus.com/archive/1/443133/100/0/threaded
http://www.securityfocus.com/archive/1/443184/100/0/threaded
http://www.securityfocus.com/bid/19264
http://www.vupen.com/english/advisories/2006/3077
https://exchange.xforce.ibmcloud.com/vulnerabilities/28129
http://secunia.com/advisories/21301
http://www-1.ibm.com/support/docview.wss?uid=swg21242921
http://www.databasesecurity.com/informix/DatabaseHackersHandbook-AttackingInformix.pdf

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