Novell eDirectory dhost session hijacking

edirectory-dhost-session-hijacking (56613) The risk level is classified as MediumMedium Risk

Description:

Novell eDirectory could allow a remote attacker to hijack a valid user's session, caused by the use of a predictable session cookie value by the dhost web service. A remote attacker could exploit this vulnerability by specifying the predicted session value following a login to hijack the session and gain the victim's privileges.

*CVSS:

Base Score: 4.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: Partial
  Availability Impact: None
 
Temporal Score: 3.2
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Other

Remedy:

Refer to Novell Document ID: 34269 for patch, upgrade or suggested workaround information. See References.

References:

  • Metasploit Framework Web site: Novell eDirectory DHOST Predictable Session Cookie.
  • Novell Document ID: 34269: History of Issues Resolved in eDirectory 8.8.x.
  • BID-38782: Novell eDirectory DHost Weak Session Cookie Session Hijacking Vulnerability
  • CVE-2009-4655: The dhost web service in Novell eDirectory 8.8.5 uses a predictable session cookie, which makes it easier for remote attackers to hijack sessions via a modified cookie.
  • OSVDB ID: 60035: Novell eDirectory DHOST Predictable Session Cookie
  • SA38808: Novell eDirectory DHost Predictable Session Identifier

Platforms Affected:

  • Novell Edirectory 8.8.5

Reported:

Nov 13, 2009

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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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