Gentoo: GLSA-201401-02: Gajim: Information disclosure
Summary
The _ssl_verify_callback() function in tls_nb.py does not properly validate SSL certificates, causing any certificate to be accepted as valid as long as the root CA is valid.
Resolution
All Gajim users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-im/gajim-0.15.3-r1"
References
[ 1 ] CVE-2012-5524 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-5524
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201401-02
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
![Dist Gentoo](/images/distros/dist-gentoo.png)
Synopsis
An error in Gajim causes invalid OpenSSL certificates to be accepted as valid.
Background
Gajim is a Jabber/XMPP client which uses GTK+.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-im/gajim < 0.15.3-r1 >= 0.15.3-r1
Impact
===== A remote attacker might employ a specially crafted certificate to conduct man-in-the-middle attacks on SSL connections and potentially disclose sensitive information.
Workaround
There is no known workaround at this time.