MantisBT before 1.2.18 does not properly check permissions when sending an email that indicates when a monitored issue is related to another issue, which allows remote authenticated users to obtain sensitive information about restricted issues.Referenceshttp://seclists.org/oss-sec/2014/q4/955http://secunia.com/advisories/62101https://www.mantisbt.org/bugs/changelog_page.php?version_id=191https://www.mantisbt.org/bugs/view.php?id=9885http://www.debian.org/security/2015/dsa-3120
