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Re: CVE Request -- Ekiga (x < 4.0.0): DoS (crash) after receiving call from other party with not UTF-8 valid name


From: Kurt Seifried <kseifried () redhat com>
Date: Mon, 03 Dec 2012 18:55:21 -0700

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On 12/03/2012 10:36 AM, Jan Lieskovsky wrote:
Hello Kurt, Steve, vendors,

a denial of service flaw was found in the way Ekiga, a Gnome based
SIP/H323 teleconferencing application, processed information from
certain OPAL connections ([certain] UTF-8 strings were not verified
for validity prior showing them). A remote attacker (other party
with a not UTF-8 valid name) could use this flaw to cause ekiga
executable crash.

Upstream bug report: [1]
https://bugzilla.gnome.org/show_bug.cgi?id=653009

Relevant upstream patch: [2]
http://git.gnome.org/browse/ekiga/commit/?id=7d09807257

References: [3]
http://ftp.gnome.org/pub/gnome/sources/ekiga/4.0/ekiga-4.0.0.news 
[4] https://bugzilla.redhat.com/show_bug.cgi?id=883058

Could you allocate a CVE id for this?

Thank you && Regards, Jan. -- Jan iankko Lieskovsky / Red Hat
Security Response Team

Please use CVE-2012-5621 for this issue.

- -- 
Kurt Seifried Red Hat Security Response Team (SRT)
PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993

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