Security Vulnerability: Oversized DN Stack Overflow

This document (3382120) is provided subject to the disclaimer at the end of this document.

Environment

Novell eDirectory 8.8.1 and prior for Solaris, Linux, AIX and HP
Novell eDirectory 8.8.1 and prior for Windows 2000 and Windows 2003
Novell eDirectory 8.7.3.9 and prior for Solaris, Linux, AIX and HP
Novell eDirectory 8.7.3.9 and prior for Windows 2000 and Windows 2003

Situation

A large LDAP Extended Request message can cause a stack overflow which overwrites a function pointer.

This overflow can cause a DoS by causing ndsd to core or possibly result in a situation allowing the execution of arbitrary code.

This overflow can cause dhost.exe to go into high utilization and cause ndsd to core.

Resolution

The vulnerability is addressed in eDirectory 8.8.2.

Apply eDirectory 8.8.2 or later available on http://download.novell.com

For eDirectory 8.7.3:
Apply eDirectory 8.7.3.9 FTF3 with edir873931.tgz or later available on http://download.novell.com




Additional Information

ZDI-CAN-214: DoLBURPRequest Stack Overflow

http://www.zerodayinitiative.com/advisories/ZDI-CAN-214.html

This vulnerability was reported by Zero Day Initiative (ZDI) established by TippingPoint, a division of 3Com.

CVE-2008-0924

Document

Document ID:3382120
Creation Date:03-24-2008
Modified Date:12-24-2008
Novell Product:eDirectory

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