Pidgin libpurple XMPP nickname denial of service

pidgin-xmpp-nickname-dos (56399) The risk level is classified as MediumMedium Risk

Description:

Pidgin libpurple is vulnerable to a denial of service, caused by a vulnerability when parsing XMPP group chat room nicknames. By inserting a specially-crafted HTML-encoded character into a MUC nickname, a remote attacker could cause Finch 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 2010-02-18 for patch, upgrade or suggested workaround information. See References.

References:

Platforms Affected:

  • Canonical Ubuntu 8.04 LTS
  • Canonical Ubuntu 8.10
  • Debian Debian Linux 5.0
  • MandrakeSoft Mandrake Linux 2008.0 X86_64
  • MandrakeSoft Mandrake Linux 2008.0
  • MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
  • Mandriva Enterprise Server 5
  • Mandriva Enterprise Server 5 X86_64
  • Mandriva Linux 2009.0
  • Mandriva Linux 2009.0 X86_64
  • Mandriva Linux 2009.1 X86_64
  • Mandriva Linux 2009.1
  • Mandriva Linux 2010 X86_64
  • Mandriva Linux 2010
  • Pidgin libpurple 2.6.4
  • RedHat Enterprise Linux 4 Desktop
  • RedHat Enterprise Linux 4 ES
  • RedHat Enterprise Linux 4 WS
  • RedHat Enterprise Linux 4 AS
  • RedHat Enterprise Linux 4.8.z ES
  • RedHat Enterprise Linux 4.8.z AS
  • RedHat Enterprise Linux 5 Client Workstation
  • RedHat Enterprise Linux 5 Client
  • RedHat Enterprise Linux Optional Productivity Applications 5 Server
  • RedHat RHEL Optional Productivity Applications 5.4.z EUS

Reported:

Feb 18, 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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