Red Hat Security Advisory 2015-1417-01 - Mailman is a program used to help manage e-mail discussion lists. It was found that mailman did not sanitize the list name before passing it to certain MTAs. A local attacker could use this flaw to execute arbitrary code as the user running mailman. It was found that mailman stored private email messages in a world-readable directory. A local user could use this flaw to read private mailing list archives.
2aa6c684f1a6ded4db806d22b7ff6e8595318d6a490170cd54fdbf133628a840Red Hat Security Advisory 2015-1153-01 - Mailman is a program used to help manage email discussion lists. It was found that mailman did not sanitize the list name before passing it to certain MTAs. A local attacker could use this flaw to execute arbitrary code as the user running mailman. Previously, it was impossible to configure Mailman in a way that Domain-based Message Authentication, Reporting & Conformance would recognize Sender alignment for Domain Key Identified Mail signatures. Consequently, Mailman list subscribers that belonged to a mail server with a "reject" policy for DMARC, such as yahoo.com or AOL.com, were unable to receive Mailman forwarded messages from senders residing in any domain that provided DKIM signatures. With this update, domains with a "reject" DMARC policy are recognized correctly, and Mailman list administrators are able to configure the way these messages are handled. As a result, after a proper configuration, subscribers now correctly receive Mailman forwarded messages in this scenario.
3d985a75ad520e9d32dc40dc407d5272dec00095877d0f014e8d7835cae3ba1fUbuntu Security Notice 2558-1 - It was discovered that Mailman incorrectly handled special characters in list names. A local attacker could use this issue to perform a path traversal attack and execute arbitrary code as the Mailman user.
3cdf31e7ce2504d75deeac6476e08d8cef04f4f07c6265f083f1d775075eff53Debian Linux Security Advisory 3214-1 - A path traversal vulnerability was discovered in Mailman, the mailing list manager. Installations using a transport script (such as postfix-to-mailman.py) to interface with their MTA instead of static aliases were vulnerable to a path traversal attack. To successfully exploit this, an attacker needs write access on the local file system.
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