USN-902-1: Pidgin vulnerabilities

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)

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

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

Learn more about how to get the fixes.

Ubuntu Release	Package Version
9.10 karmic	pidgin – 1:2.6.2-1ubuntu7.2
9.04 jaunty	pidgin – 1:2.5.5-1ubuntu8.6
8.10 intrepid	pidgin – 1:2.5.2-0ubuntu1.7
8.04 hardy	pidgin – 1:2.4.1-1ubuntu2.9

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References