Pidgin X-Status denial of service

pidgin-xstatus-dos (60566) The risk level is classified as MediumMedium Risk

Description:

Pidgin is vulnerable to a denial of service, caused by a NULL pointer dereference in the oscar protocol plugin when processing X-Status messages. By sending a specially-crafted X-Status message, a remote attacker could exploit this vulnerability to cause the application to crash.

*CVSS:

Base Score: 5
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 3.7
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Refer to Pidgin Security Advisory 2010-07-21 for patch, upgrade or suggested workaround information. See References.

References:

  • Pidgin Security Advisory 2010-07-21: ICQ X-Status denial of service.
  • Sun Security Blog: CVE-2010-2528 CVE-2010-1624 Denial of Service Vulnerabilities in Pidgin .
  • BID-41881: Pidgin 'X-Status' Message Denial of Service Vulnerability
  • CVE-2010-2528: The clientautoresp function in family_icbm.c in the oscar protocol plugin in libpurple in Pidgin before 2.7.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via an X-Status message that lacks the expected end tag for a (1) desc or (2) title element.
  • MDVSA-2010:148: pidgin
  • OSVDB ID: 66506: Pidgin libpurple X-Status Message NULL Dereference DoS
  • SA40699: Pidgin X-Status Message Denial of Service Weakness
  • SA42554: Oracle Solaris Pidgin Multiple Denial of Service Weaknesses

Platforms Affected:

  • MandrakeSoft Mandrake Linux 2008.0 X86_64
  • MandrakeSoft Mandrake Linux 2008.0
  • Mandriva Linux 2009.0
  • Mandriva Linux 2009.0 X86_64
  • Mandriva Linux 2010 X86_64
  • Mandriva Linux 2010
  • Pidgin Pidgin 2.6.5
  • Pidgin Pidgin 2.6.6
  • Pidgin Pidgin 2.7.0
  • Pidgin Pidgin 2.7.1
  • Sun Solaris 10

Reported:

Jul 21, 2010

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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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