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USN-902-1: Pidgin vulnerabilities

22 February 2010

Pidgin vulnerabilities

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Releases

Packages

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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 9.10
Ubuntu 9.04
Ubuntu 8.10
Ubuntu 8.04

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