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[ GLSA 201401-02 ] Gajim: Information disclosure
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GLSA
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PostPosted: Mon Jan 20, 2014 3:48 am    Post subject: [ GLSA 201401-02 ] Gajim: Information disclosure Reply with quote

Gentoo Linux Security Advisory

Title: Gajim: Information disclosure (GLSA 201401-02)
Severity: low
Exploitable: remote
Date: January 06, 2014
Bug(s): #442860
ID: 201401-02

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: net-im/gajim
Vulnerable: < 0.15.3-r1
Unaffected: >= 0.15.3-r1
Architectures: All supported architectures


Description

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.


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.

Resolution

All Gajim users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=net-im/gajim-0.15.3-r1"
   


References

CVE-2012-5524


Last edited by GLSA on Sat Mar 08, 2014 4:33 am; edited 2 times in total
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