ZDI-10-021: Novell NetStorage xsrvd Long Pathname Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-021
February 23, 2010

-- Affected Vendors:
Novell

-- Affected Products:
Novell NetStorage

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 9290. 
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

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

The specific flaws exists within the xsrvd process during the wide
character conversion of requested file paths. In conjunction with a long
username value the  file path conversion will result in a heap overflow
corrupting a chunk that will be immediately freed. This can be leveraged
by remote attackers to compromise the NetStorage server.

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

http://www.novell.com/support/viewContent.do?externalId=7005282

-- Disclosure Timeline:
2009-10-21 - Vulnerability reported to vendor
2010-02-23 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * 1c239c43f521145fa8385d64a9c32243

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