Summary ======= Bugzilla is a Web-based bug-tracking system used by a large number of software projects. The following security issue has been discovered in Bugzilla: * A CSRF vulnerability in report.cgi would allow a third-party site to extract confidential information from a bug the victim had access to. All affected installations are encouraged to upgrade as soon as possible. Vulnerability Details ===================== Class: Cross-Site Request Forgery Versions: Bugzilla 2.16rc1 to 4.4.12, 4.5.1 to 5.0.3 Fixed In: 4.4.13, 5.0.4 Description: Via the image generation in report.cgi, a malicious site using the presence of certain images, could extract potentially confidential information if the victim was logged in and could access the bug. References: https://bugzilla.mozilla.org/show_bug.cgi?id=1433400 CVE Number: CVE-2018-5123 Vulnerability Solutions ======================= The fix for this issue is included in the 4.4.13 and 5.0.4 releases. Upgrading to a release with the relevant fix will protect your installation from possible exploits of this issue. If you are unable to upgrade but would like to patch just the security vulnerability, there are patches available for the issue at the "References" URL. Full release downloads, patches to upgrade Bugzilla from previous versions, and git 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 this issue: Reporter: Holger Fuhrmannek Fixed by: Dylan Hardison 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.