CVE-2006-3854

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2006-08-17 · updated 2026-06-16

Description

Buffer overflow in IBM Informix Dynamic Server (IDS) 9.40.TC7, 9.40.TC8, 10.00.TC4, and 10.00.TC5, when running on Windows, allows remote attackers to execute arbitrary code via a long username, which causes an overflow in vsprintf when displaying in the resulting error message. NOTE: this issue is due to an incomplete fix for CVE-2006-3853.

Affected products

IBM Informix Dynamic Database Server: 9.40.tc7, 9.40.tc8, 10.00.tc4, 10.00.tc5

References

http://securityreason.com/securityalert/1409
http://www.databasesecurity.com/informix/DatabaseHackersHandbook-AttackingInformix.pdf
http://www.securityfocus.com/archive/1/443133/100/0/threaded
http://www.securityfocus.com/archive/1/443150/100/0/threaded
https://exchange.xforce.ibmcloud.com/vulnerabilities/28381
http://securityreason.com/securityalert/1409
http://www.databasesecurity.com/informix/DatabaseHackersHandbook-AttackingInformix.pdf
http://www.securityfocus.com/archive/1/443133/100/0/threaded
http://www.securityfocus.com/archive/1/443150/100/0/threaded
https://exchange.xforce.ibmcloud.com/vulnerabilities/28381

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