USN-1746-1: Pidgin vulnerabilities

25 February 2013

pidgin vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 12.10
  • Ubuntu 12.04 LTS
  • Ubuntu 11.10
  • Ubuntu 10.04 LTS

Summary

Several security issues were fixed in Pidgin.

Software Description

  • pidgin - graphical multi-protocol instant messaging client for X

Details

Chris Wysopal discovered that Pidgin incorrectly handled file transfers in the MXit protocol handler. A remote attacker could use this issue to create or overwrite arbitrary files. This issue only affected Ubuntu 11.10, Ubuntu 12.04 LTS and Ubuntu 12.10. (CVE-2013-0271)

It was discovered that Pidgin incorrectly handled long HTTP headers in the MXit protocol handler. A malicious remote server could use this issue to execute arbitrary code. (CVE-2013-0272)

It was discovered that Pidgin incorrectly handled long user IDs in the Sametime protocol handler. A malicious remote server could use this issue to cause Pidgin to crash, resulting in a denial of service. (CVE-2013-0273)

It was discovered that Pidgin incorrectly handled long strings when processing UPnP responses. A remote attacker could use this issue to cause Pidgin to crash, resulting in a denial of service. (CVE-2013-0274)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 12.10
libpurple0 - 1:2.10.6-0ubuntu2.2
pidgin - 1:2.10.6-0ubuntu2.2
Ubuntu 12.04 LTS
libpurple0 - 1:2.10.3-0ubuntu1.3
pidgin - 1:2.10.3-0ubuntu1.3
Ubuntu 11.10
libpurple0 - 1:2.10.0-0ubuntu2.2
pidgin - 1:2.10.0-0ubuntu2.2
Ubuntu 10.04 LTS
libpurple0 - 1:2.6.6-1ubuntu4.6
pidgin - 1:2.6.6-1ubuntu4.6

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to restart Pidgin to make all the necessary changes.

References