Advisory Details

February 23rd, 2010

Novell NetStorage xsrvd Long Pathname Remote Code Execution Vulnerability

ZDI-10-021
ZDI-CAN-607

CVE ID
CVSS SCORE 10.0, (AV:N/AC:L/Au:N/C:C/I:C/A:C)
AFFECTED VENDORS Novell
AFFECTED PRODUCTS NetStorage
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 9290. For further product information on the TippingPoint IPS: 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 1c239c43f521145fa8385d64a9c32243
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