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AUSCERT External Security Bulletin Redistribution
ESB-2014.0541
4.5.3, 4.4.3, 4.2.8, and 4.0.12 Security Advisory
22 April 2014
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AusCERT Security Bulletin Summary
---------------------------------
Product: Bugzilla
Publisher: Bugzilla
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Cross-site Request Forgery -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2014-1517
Original Bulletin:
http://www.bugzilla.org/security/4.0.11/
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Summary
=======
Bugzilla is a Web-based bug-tracking system used by a large number of
software projects. The following security issues have been discovered
in Bugzilla:
* The login form had no CSRF protection, meaning that an attacker could
force the victim to log in using the attacker's credentials.
* Dangerous control characters can be inserted into Bugzilla, notably
into bug comments, which can then be used to execute local commands.
All affected installations are encouraged to upgrade as soon as
possible.
Vulnerability Details
=====================
Class: Cross-Site Request Forgery
Versions: Bugzilla 2.0 to 4.4.2, 4.5.1 to 4.5.2
Fixed In: 4.4.3, 4.5.3
Description: The login form had no CSRF protection, meaning that
an attacker could force the victim to log in using the
attacker's credentials. If the victim then reports a new
security sensitive bug, the attacker would get immediate
access to this bug.
Due to changes involved in the Bugzilla API, this fix is
not backported to the 4.0 and 4.2 branches, meaning that
Bugzilla 4.0.12 and older, and 4.2.8 and older, will
remain vulnerable to this issue.
References: https://bugzilla.mozilla.org/show_bug.cgi?id=713926
CVE Number: CVE-2014-1517
Class: Social Engineering
Versions: Bugzilla 2.0 to 4.0.11, 4.1.1 to 4.2.7, 4.3.1 to 4.4.2,
4.5.1 to 4.5.2
Fixed In: 4.0.12, 4.2.8, 4.4.3, 4.5.3
Description: Dangerous control characters can be inserted into
Bugzilla, notably into bug comments. If the text, which
may look safe, is copied into a terminal such as xterm or
gnome-terminal, then unexpected commands could be executed
on the local machine.
References: https://bugzilla.mozilla.org/show_bug.cgi?id=968576
CVE Number: none
Vulnerability Solutions
=======================
The fixes for these issues are included in the 4.0.12, 4.2.8, 4.4.3
and 4.5.3 releases. Upgrading to a release with the relevant fixes will
protect your installation from possible exploits of these issues.
If you are unable to upgrade but would like to patch just the
individual security vulnerabilities, there are patches available for
each issue at the "References" URL for each vulnerability.
Full release downloads, patches to upgrade Bugzilla from previous
versions, and bzr upgrade instructions are available at:
http://www.bugzilla.org/download/
Credits
=======
The Bugzilla team wish to thank the following people for their
assistance in locating, advising us of, and assisting us to fix these
issues:
Manish Goregaokar
Frédéric Buclin
David Lawrence
Byron Jones
Reed Loden
General information about the Bugzilla bug-tracking system can be found
at:
http://www.bugzilla.org/
Comments and follow-ups can be directed to the mozilla.support.bugzilla
newsgroup or the support-bugzilla mailing list.
http://www.bugzilla.org/support/ has directions for accessing these
forums.
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===========================================================================
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The University of Queensland
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Internet Email: auscert@auscert.org.au
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