Novell Client Terminal Server/Citrix session security bypass

novell-profile-security-bypass (31343) The risk level is classified as MediumMedium Risk

Description:

Novell Client could allow a remote authenticated attacker to bypass security restrictions, caused by a vulnerability in the Terminal Server/Citrix session in which the user profiles are not deleted. A remote authenticated attacker could exploit this vulnerability to bypass security restrictions and gain unauthorized access with the permissions of another user.

*CVSS:

Base Score: 2.1
  Access Vector: Remote
  Access Complexity: Low
  Authentication: Required
  Confidentiality Impact: None
  Integrity Impact: Partial
  Availability Impact: None
 
Temporal Score: 1.6
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Bypass Security

Remedy:

Apply the patch for this vulnerability, as listed in Novell Technical Information Document TID2974970. See References.

References:

  • Novell Technical Information Document TID2974970: Novell Client post-4.91 SP3 NWGINA.DLL.
  • BID-21886: Novell Client NWGINA.DLL User Profile Security Bypass Vulnerability
  • CVE-2007-0108: nwgina.dll in Novell Client 4.91 SP3 for Windows 2000/XP/2003 does not delete user profiles during a Terminal Service or Citrix session, which allows remote authenticated users to invoke alternate user profiles.
  • OSVDB ID: 31358: Novell Client TS/Citrix Session Arbitrary User Profile Invocation
  • SA23619: Novell Client User Profile Restriction Bypass
  • SECTRACK ID: 1017471: Novell Client NWGINA Bug May Prevent User Profiles from Being Deleted

Platforms Affected:

  • Novell Client 4.91 SP3

Reported:

Jan 05, 2007

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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