USN-781-1: Pidgin vulnerabilities

3 June 2009

pidgin vulnerabilities

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

  • Ubuntu 9.04
  • Ubuntu 8.10
  • Ubuntu 8.04 LTS

Software Description

  • pidgin

Details

It was discovered that Pidgin did not properly handle certain malformed messages when sending a file using the XMPP protocol handler. If a user were tricked into sending a file, a remote attacker could send a specially crafted response and cause Pidgin to crash, or possibly execute arbitrary code with user privileges. (CVE-2009-1373)

It was discovered that Pidgin did not properly handle certain malformed messages in the QQ protocol handler. A remote attacker could send a specially crafted message and cause Pidgin to crash. This issue only affected Ubuntu 8.10 and 9.04. (CVE-2009-1374)

It was discovered that Pidgin did not properly handle certain malformed messages in the XMPP and Sametime protocol handlers. A remote attacker could send a specially crafted message and cause Pidgin to crash. (CVE-2009-1375)

It was discovered that Pidgin did not properly handle certain malformed messages in the MSN protocol handler. A remote attacker could send a specially crafted message and possibly execute arbitrary code with user privileges. (CVE-2009-1376)

Update instructions

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

Ubuntu 9.04
pidgin - 1:2.5.5-1ubuntu8.1
Ubuntu 8.10
pidgin - 1:2.5.2-0ubuntu1.2
Ubuntu 8.04 LTS
pidgin - 1:2.4.1-1ubuntu2.4

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

After a standard system upgrade you need to restart Pidgin to effect the necessary changes.

References