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Netsikker nu! 2008
 
Novell eDirectory LDAP Search Request Buffer Overflow
Secunia Advisory: SA31036
Release Date: 2008-07-11
Popularity: 3,139 views

Critical:
Moderately critical
Impact: DoS
System access
Where: From local network
Solution Status: Vendor Patch

Software:Novell eDirectory 8.x

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CVE reference:CVE-2008-1809


Description:
A vulnerability has been reported in Novell eDirectory, which can be exploited by malicious people to cause a DoS (Denial of Service) or compromise a vulnerable system.

The vulnerability is caused due to an error in calculating the size of a heap buffer for storing LDAP search parameters. This can be exploited to cause a heap-based buffer overflow with the string "(null)" via NULL search parameters.

Successful exploitation may allow execution of arbitrary code.

The vulnerability affects version 8.8 and 8.7.3 on all platforms.

Solution:
Apply 8.8.2 FTF2 or 8.7.3.10b.
http://download.novell.com/

Provided and/or discovered by:
Discovered by an anonymous researcher and reported via iDefense Labs.

Original Advisory:
Novell:
http://www.novell.com/support/viewContent.do?externalId=3843876&sliceId=1

iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=724


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