Novell eDirectory "Connection" HTTP Header Processing Denial of Service - Advisories

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Novell eDirectory "Connection" HTTP Header Processing Denial of Service

Secunia Advisory:	SA29805
Release Date:	2008-04-14
Last Update:	2008-05-06

Critical:	Less critical
Impact:	DoS
Where:	From local network
Solution Status:	Vendor Patch

Software:	Novell eDirectory 8.x

CVE reference:	CVE-2008-0927 (Secunia mirror)

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Description: A vulnerability has been reported in Novell eDirectory, which can be exploited by malicious people to cause a DoS (Denial of Service). The vulnerability is caused due to an error within dhost.exe when processing "Connection" headers in a HTTP request. This can be exploited to cause dhost.exe to consume large amounts of CPU resource by e.g. sending an HTTP request containing two "Connection" headers or a "Connection" header with two values to default port 8028/TCP. The vulnerability affects the following versions on Windows 2000/2003 systems: * Novell eDirectory 8.8.1 and prior * Novell eDirectory 8.7.3.9 and prior Solution: Update to version 8.8.2 or apply eDirectory 8.7.3 sp10. http://download.novell.com/ Provided and/or discovered by: The vendor credits Nicholas Gregorie. Changelog: 2008-05-06: Updated "Description" and "Original Advisory" sections. Original Advisory: Novell (3829452): http://www.novell.com/support/viewContent.do?externalId=3829452&sliceId=1 http://archives.neohapsis.com/archives/bugtraq/2008-05/0066.html



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise. Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

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7. Novell eDirectory Denial of Service and Password Exposure

8. Novell eDirectory iMonitor NDS Server Buffer Overflow Vulnerability

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