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Inso DynaWeb httpd Format String Vulnerability

Inso DynaWeb webserver, dwhttpd, is used as a subcomponent in products such as Sun's AnswerBook2, which is shipped as part of the Solaris operating environment.

The dwhttpd webserver is prone to a remotely exploitable format-string vulnerability that occurs when logging requests for files that do not exist. Exploits may allow attacker-supplied code supplied to run with the privileges of the dwhttpd.

Note that a vulnerability described in Bugtraq ID 5583 allows for unauthenticated remote attackers to view the logfile. Attackers may exploit that vulnerability to more easily exploit this issue successfully and automatically.