4.5.3, 4.4.3, 4.2.8, and 4.0.12 Security AdvisoryThursday Apr 17th, 2014
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: https://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: Issue 1 reported by: Reed Loden Issue 2 reported by: Manish Goregaokar Fixed by: Frédéric Buclin, Manish Goregaokar, David Lawrence, Byron Jones General information about the Bugzilla bug-tracking system can be found at: https://www.bugzilla.org/ Comments and follow-ups can be directed to the mozilla.support.bugzilla newsgroup or the support-bugzilla mailing list. https://www.bugzilla.org/support/ has directions for accessing these forums.