Pidgin Open System for CommunicAtion in Realtime (OSCAR) denial of service

pidgin-oscar-dos (51448) The risk level is classified as MediumMedium Risk

Description:

Pidgin is vulnerable to a denial of service, caused by an out-of-memory flaw in the Open System for CommunicAtion in Realtime (OSCAR) protocol implementation. By sending a specially-crafted Web message, a remote attacker could 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:

Upgrade to the latest version of Pidgin (2.5.8 or later), available from the Pidgin Web site. See References.

References:

  • Pidgin Web site: Pidgin 2.5.8.
  • Pidgin Web Ticket #9483 : OOM/abort when receiving ICQWebMessage.
  • Red Hat Bugzilla Bug 508738: CVE-2009-1889 pidgin: DoS via specially-crafted ICQWebMessage.
  • ASA-2009-261: pidgin security and bug fix update (RHSA-2009-1139)
  • BID-35530: Pidgin OSCAR Protocol Web Message Denial of Service Vulnerability
  • CVE-2009-1889: The OSCAR protocol implementation in Pidgin before 2.5.8 misinterprets the ICQWebMessage message type as the ICQSMS message type, which allows remote attackers to cause a denial of service (application crash) via a crafted ICQ web message that triggers allocation of a large amount of memory.
  • GLSA-200910-02: Pidgin: Multiple vulnerabilities
  • MDVSA-2009:321: pidgin
  • OSVDB ID: 55588: Pidgin OSCAR Protocol Implementation Crafted ICQWebMessage Remote DoS
  • RHSA-2009-1139: Moderate: pidgin security and bug fix update
  • SA35652: Pidgin ICQ Web Message Denial of Service Weakness
  • SUSE-SR:2009:013: SUSE Security Summary Report
  • USN-796-1: Pidgin vulnerability

Platforms Affected:

  • Canonical Ubuntu 8.04 LTS
  • Canonical Ubuntu 8.10
  • Gentoo Linux
  • MandrakeSoft Mandrake Linux 2008.0
  • MandrakeSoft Mandrake Linux 2008.0 X86_64
  • Pidgin Pidgin 2.4.0
  • Pidgin Pidgin 2.4.1
  • Pidgin Pidgin 2.4.2
  • Pidgin Pidgin 2.4.3
  • Pidgin Pidgin 2.5.5
  • Pidgin Pidgin 2.5.6
  • Pidgin Pidgin 2.5.7
  • RedHat Enterprise Linux 4 WS
  • RedHat Enterprise Linux 4 ES
  • RedHat Enterprise Linux 4 Desktop
  • RedHat Enterprise Linux 4 AS
  • RedHat Enterprise Linux 4.8.z AS
  • RedHat Enterprise Linux 4.8.z ES
  • RedHat Enterprise Linux 5 Client
  • RedHat Enterprise Linux 5 Client Workstation
  • RedHat Enterprise Linux Optional Productivity Applications 5 Server
  • RedHat Enterprise Linux Optional Productivity Applications 5.3.z EUS

Reported:

Jun 30, 2009

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.

For corrections or additions please email ignore thisxforceignore this@ignore thisus.ignore thisibm.comignore this

Return to the main page

* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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.

About IBM Internet Security Systems

IBM Internet Security Systems is a trusted security advisor to thousands of the world's leading businesses and governments, helping to provide pre-emptive protection for networks, desktops and servers. The IBM Proventia? integrated security platform is designed to automatically protect against both known and unknown threats, helping to keep networks up and running and shield customers from online attacks before they impact business assets. IBM Internet Security Systems products and services are based on the proactive security intelligence of its X-Force? research and development team ? an unequivocal world authority in vulnerability and threat research. The IBM Internet Security Systems product line is also complemented by comprehensive Managed Security Services and Professional Security Services. For more information, visit the IBM Internet Security Systems Web site at www.iss.net or call 800-776-2362.