ZDI-08-063: Novell eDirectory dhost.exe Content-Length Header Heap Overflow Vulnerability

2008-10-09T00:00:00
ID SECURITYVULNS:DOC:20678
Type securityvulns
Reporter Securityvulns
Modified 2008-10-09T00:00:00

Description

ZDI-08-063: Novell eDirectory dhost.exe Content-Length Header Heap Overflow Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-08-063 October 8, 2008

-- CVE ID: CVE-2008-4478

-- Affected Vendors: Novell

-- Affected Products: Novell eDirectory

-- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 3710. For further product information on the TippingPoint IPS, visit:

http://www.tippingpoint.com

-- Vulnerability Details: This vulnerability allows attackers to execute arbitrary code on vulnerable installations of Novell eDirectory. Authentication is not required to exploit this vulnerability.

The specific flaw resides in the web console running on TCP ports 8028 and 8030. The server exposes a web interface and accepts SOAP connections. While parsing the Content-Length header within a SOAP request an integer overflow can occur. This integer overflow triggers a subsequent overflow during a memory copy operation leading to arbitrary code execution under the context of the SYSTEM user.

-- Vendor Response: Novell has issued an update to correct this vulnerability. More details can be found at:

http://www.novell.com/support/php/search.do?cmd=displayKC&docType=kc&externalId=7000087&sliceId=1&docTypeID=DT_TID_1_1&dialogID=78066829&stateId=0%200%2078062953

-- Disclosure Timeline: 2008-04-08 - Vulnerability reported to vendor 2008-10-08 - Coordinated public release of advisory

-- Credit: This vulnerability was discovered by: * Anonymous

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