Florian Streibelt reported a directory traversal flaw in the way the Mailing List Managing Made Joyful mailing list manager processed users' requests originating from the administrator web interface without enough input validation. A remote, authenticated attacker could use these flaws to write and/or delete arbitrary files.
For the stable distribution (lenny), these problems have been fixed in version 1.2.15-1.1+lenny1.
For the unstable distribution (sid), these problems have been fixed in version 1.2.17-1.1.
We recommend that you upgrade your mlmmj package.