Technical Description

A vulnerability has been identified in Sun Java System Web Proxy Server, which could be exploited by attackers to cause a denial of service. This issue is caused by an unspecified error in the FTP subsystem, which could allow a local or remote attacker to prevent a vulnerable proxy server from accepting new connections, resulting in a denial of service.

Affected Products

Sun Java System Web Proxy Server versions 4.0 through 4.0.5

Solution

Sun Java System Web Proxy Server versions 4.0 through 4.0.5 (SPARC) - Upgrade to Service Pack 6 or later, or apply patch 120981-14 or later

Sun Java System Web Proxy Server versions 4.0 through 4.0.5 (x86) - Upgrade to Service Pack 6 or later, or apply patch 120982-14 or later

Sun Java System Web Proxy Server versions 4.0 through 4.0.5 (Linux) - Upgrade to Service Pack 6 or later, or apply patch 120983-14 orlater

Sun Java System Web Proxy Server versions 4.0 through 4.0.5 (HP-UX) - Upgrade to Service Pack 6 or later, or apply patch 123532-04 or later

Sun Java System Web Proxy Server versions 4.0 through 4.0.5 (Windows) - Upgrade to Service Pack 6 or later, or apply patch 126325-04 or later

Or upgrade to Sun Java System Web Proxy Server version 4.0.7 :
http://www.sun.com/download/index.jsp?cat=Web%20%26%20Proxy%20Servers&tab=3

References

http://www.vupen.com/english/advisories/2008/2366
http://sunsolve.sun.com/search/document.do?assetkey=1-66-240327-1

Credits

Vulnerability reported by Joxean Koret.

ChangeLog

2008-08-13 : Initial release

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