=========================================================================Ubuntu Security Notice USN-1746-1
February 25, 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
After a standard system update you need to restart Pidgin to make all the
necessary changes.
References:
https://ubuntu.com/security/notices/USN-1746-1
CVE-2013-0271, CVE-2013-0272, CVE-2013-0273, CVE-2013-0274
Package Information:
https://launchpad.net/ubuntu/+source/pidgin/1:2.10.6-0ubuntu2.2
https://launchpad.net/ubuntu/+source/pidgin/1:2.10.3-0ubuntu1.3
https://launchpad.net/ubuntu/+source/pidgin/1:2.10.0-0ubuntu2.2
https://launchpad.net/ubuntu/+source/pidgin/1:2.6.6-1ubuntu4.6