Some vulnerabilities have been reported in Novell eDirectory, which can be exploited by malicious users and malicious people to cause a DoS (Denial of Service) or potentially compromise a vulnerable system.
1) An array-indexing error in the NetWare Core Protocol (NCP) implementation can be exploited to cause the "ndsd" process to become unresponsive via a specially crafted request sent to e.g. TCP port 524.
2) A boundary error in dhost.exe can be exploited to cause a buffer overflow via a specially crafted GET request.
3) An unspecified error can be exploited to cause Dhost to crash e.g. by running a certain security scan against the server.
The vulnerabilities are reported in versions prior to 8.8 SP5 Patch 4.
Solution: Update to version 8.8 SP5 Patch 4.
Provided and/or discovered by: 1) The vendor credits 1c239c43f521145fa8385d64a9c32243 via ZDI.
3) Reported by the vendor.
Original Advisory: ZDI:
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