Maksim Otstavnov discovered that the Wocky submodule used by telepathy-gabble, the Jabber/XMPP connection manager for the Telepathy framework, does not respect the tls-required flag on legacy Jabber servers. A network intermediary could use this vulnerability to bypass TLS verification and perform a man-in-the-middle attack.

For the oldstable distribution (squeeze), this problem has been fixed in version 0.9.15-1+squeeze2. For the stable distribution (wheezy), this problem has been fixed in version 0.16.5-1+deb7u1. For the testing distribution (jessie) and the unstable distribution (sid), this problem has been fixed in version 0.16.6-1. We recommend that you upgrade your telepathy-gabble packages.

Gabble is a Jabber/XMPP connection manager for the Telepathy framework, currently supporting single user chats, multi user chats and voice/video calls. Install this package to use Telepathy instant messaging clients with Jabber/XMPP servers, including Google Talk.

telepathy-gabble on Debian Linux

This check tests the installed software version using the apt package manager.

• http://www.debian.org/security/2013/dsa-2702.html

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Updated on 2015-03-25