CVE-2009-4440

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-12-28 · updated 2026-06-16
Weakness: CWE-362

Description

Directory Proxy Server (DPS) in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3.1 does not properly handle multiple client connections within a short time window, which allows remote attackers to hijack the backend connection of an authenticated user, and obtain the privileges of this user, by making a client connection in opportunistic circumstances, related to "long binds," aka Bug Ids 6828462 and 6823593.

Affected products

Sun Java System Directory Server: 6.0, 6.1-enterprise, 6.2-enterprise, 6.3-enterprise

References

http://secunia.com/advisories/37915
http://sunsolve.sun.com/search/document.do?assetkey=1-21-141958-01-1
http://sunsolve.sun.com/search/document.do?assetkey=1-66-270789-1
http://www.securityfocus.com/bid/37481
http://www.securitytracker.com/id?1023389
http://www.vupen.com/english/advisories/2009/3647
http://secunia.com/advisories/37915
http://sunsolve.sun.com/search/document.do?assetkey=1-21-141958-01-1
http://sunsolve.sun.com/search/document.do?assetkey=1-66-270789-1
http://www.securityfocus.com/bid/37481
http://www.securitytracker.com/id?1023389
http://www.vupen.com/english/advisories/2009/3647

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