USN-902-1: Pidgin vulnerabilities

Releases

• Ubuntu 9.10
• Ubuntu 9.04
• Ubuntu 8.10
• Ubuntu 8.04

Packages

• pidgin -

Details

Fabian Yamaguchi discovered that Pidgin incorrectly validated all fields of
an incoming message in the MSN protocol handler. A remote attacker could
send a specially crafted message and cause Pidgin to crash, leading to a
denial of service. (CVE-2010-0277)

Sadrul Habib Chowdhury discovered that Pidgin incorrectly handled certain
nicknames in Finch group chat rooms. A remote attacker could use a
specially crafted nickname and cause Pidgin to crash, leading to a denial
of service. (CVE-2010-0420)

Antti Hayrynen discovered that Pidgin incorrectly handled large numbers of
smileys. A remote attacker could send a specially crafted message and cause
Pidgin to become unresponsive, leading to a denial of service.
(CVE-2010-0423)

Update instructions

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

Ubuntu 9.10

• pidgin - 1:2.6.2-1ubuntu7.2

Ubuntu 9.04

• pidgin - 1:2.5.5-1ubuntu8.6

Ubuntu 8.10

• pidgin - 1:2.5.2-0ubuntu1.7

Ubuntu 8.04

• pidgin - 1:2.4.1-1ubuntu2.9

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

References

• CVE-2010-0423
• CVE-2010-0277
• CVE-2010-0420