Pidgin SLP packets denial of service

pidgin-slp-packets-dos (58559) The risk level is classified as MediumMedium Risk

Description:

Pidgin is vulnerable to a denial of service, caused by improper validation of input by libpurple's MSN protocol plugin when processing malformed SLP packets related to custom emoticons. By sending a specially-crafted SLP 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 2010-05-12 for patch, upgrade or suggested workaround information. See References.

References:

  • Pidgin Security Advisory 2010-05-12: MSN emoticon denial of service.
  • Sun Security Blog: CVE-2010-2528 CVE-2010-1624 Denial of Service Vulnerabilities in Pidgin .
  • BID-40138: Libpurple MSN Protocol Custom Emoticons Remote Denial of Service Vulnerability
  • CVE-2010-1624: The msn_emoticon_msg function in slp.c in the MSN protocol plugin in libpurple in Pidgin before 2.7.0 allows remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a custom emoticon in a malformed SLP message.
  • MDVSA-2010:097: pidgin
  • OSVDB ID: 64609: Pidgin libpurple slp.c msn_emoticon_msg Function SLP Message Custom Emoticon DoS
  • RHSA-2010-0788: Moderate: pidgin security update
  • SA39801: Pidgin MSN SLP Message Custom Emoticon Denial of Service Weakness
  • SA42554: Oracle Solaris Pidgin Multiple Denial of Service Weaknesses

Platforms Affected:

  • MandrakeSoft Mandrake Linux 2008.0
  • MandrakeSoft Mandrake Linux 2008.0 X86_64
  • Mandriva Enterprise Server 5 X86_64
  • Mandriva Enterprise Server 5
  • Mandriva Linux 2009.0 X86_64
  • Mandriva Linux 2009.0
  • 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 WS
  • RedHat Enterprise Linux 4 ES
  • RedHat Enterprise Linux 4 Desktop
  • 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
  • Sun Solaris 10

Reported:

May 12, 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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