OpenPegasus PAM module buffer overflow

openpegasus-pam-bo (39524) The risk level is classified as HighHigh Risk


OpenPegasus is vulnerable to a buffer overflow, caused by improper bounds checking by the PAM module. By sending specially-crafted data, a remote attacker from within the local network could overflow a buffer and execute arbitrary code on the system with root privileges or cause the application to crash.


Base Score: 8.3
  Access Vector: Adjacent Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: Complete
  Integrity Impact: Complete
  Availability Impact: Complete
Temporal Score: 6.1
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed


Gain Access


Refer to VMSA-2008-0001 for patch, upgrade, or suggested workaround information, available from the VMware Security-announce Mailing List, Mon Jan 7 17:46:23 PST 2008. See References.

For other distributions:
Apply the appropriate update for your system. See References.


Platforms Affected:

  • HP HP-UX 11.11
  • HP HP-UX 11.23
  • HP HP-UX 11.31
  • Open Group OpenPegasus 2.7
  • VMware ESX Server 2.5
  • VMware ESX Server 2.5.1
  • VMware ESX Server 2.5.2
  • VMware ESX Server 2.5.3
  • VMware ESX Server 2.5.4
  • VMware ESX Server 2.5.5
  • VMware ESX Server 3.0.1
  • VMware ESX Server 3.0.2


Jan 07, 2008

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 the author/distributor (IBM Internet Security Systems X-Force) 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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