|Bugzilla:||766446: CVE-2011-4603 pidgin: SILC remote crash on channel messages|
The MITRE CVE dictionary describes this issue as:
The silc_channel_message function in ops.c in the SILC protocol plugin in libpurple in Pidgin before 2.10.1 does not perform the expected UTF-8 validation on message data, which allows remote attackers to cause a denial of service (application crash) via a crafted message, a different vulnerability than CVE-2011-3594.
Not vulnerable. This issue did not affect the version of pidgin as shipped with Red Hat Enterprise Linux 6 as it explicitly disables support for the SILC protocol.
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Red Hat security errata
|Red Hat Enterprise Linux Desktop Workstation version 5 (pidgin)||RHSA-2011:1820||December 14, 2011|
|Red Hat Enterprise Linux Optional Productivity Applications version 5 (pidgin)||RHSA-2011:1820||December 14, 2011|
|Red Hat Enterprise Linux version 4 (pidgin)||RHSA-2011:1820||December 14, 2011|
Red Hat would like to thank the Pidgin project for reporting this issue. Upstream acknowledges Diego Bauche Madero from IOActive as the original reporter.
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For clarification or corrections please contact the Red Hat Security Response Team.