ZDI-10-021: Novell NetStorage xsrvd Long Pathname Remote Code Execution Vulnerability

Type securityvulns
Reporter Securityvulns
Modified 2010-02-25T00:00:00


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:


-- 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:


-- 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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