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Alerts This Week
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Gentoo: GLSA-201401-02 Low: Gajim OpenSSL Issue and Threat

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Calendar Grey January 6, 2014
Scroller Gentoo
A Gentoo notice regarding Gajim highlights a vulnerability in OpenSSL that permits the acceptance of unauthorized certificates, leading to an immediate recommendation for an upgrade.
An error in Gajim causes invalid OpenSSL certificates to be accepted as valid.

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.

Topics%20covered

Topics Covered

security advisory gentoo low severity information disclosure man-in-the-middle openssl gajim

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
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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.

Severity
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Severity: Low
Title: Gajim: Information disclosure
Date: January 06, 2014
Bugs: #442860
ID: 201401-02

Topics%20covered

Topics Covered

security advisory gentoo low severity information disclosure man-in-the-middle openssl gajim

Synopsis

An error in Gajim causes invalid OpenSSL certificates to be accepted as valid.

Background

Gajim is a Jabber/XMPP client which uses GTK+.

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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.