A vulnerability has been reported in Sun Java System Directory Server, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an unspecified error within the handling of certain queries, which leads to a "free()" operation being performed on uninitialised memory. This can be exploited to crash the "ns-slapd" service by sending specially crafted queries.
The vulnerability is reported in the following products for Solaris 8, 9, and 10 on Solaris SPARC and Solaris x86 Platforms, Linux, Windows, HP-UX, and AIX:
-- Native Package Versions --
* Sun ONE Directory Server 5.2
* Sun Java System Directory Server 5 2003Q4 (5.2patch1)
* Sun Java System Directory Server 5 2004Q2 (5.2patch2)
* Sun Java System Directory Server 5 2005Q1 (5.2patch3)
* Sun Java System Directory Server 5 2005Q4 (5.2patch4)
-- PatchZIP (Compressed Archive) versions --
* Sun ONE Directory Server 5.1
* Sun One Directory Server 5.2
* Sun Java System Directory Server 5.2 Patch2
* Sun Java System Directory Server 5.2 Patch3
* Sun Java System Directory Server 5.2 Patch4
Solution: We are currently not aware of a solution.
Provided and/or discovered by: Discovered by an anonymous researcher and reported via iDefense.
Original Advisory: iDefense Labs:
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Subject: Sun Java System Directory Server "ns-slapd" Denial of Service
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