sosreport in Red Hat sos 1.7 and earlier on Red Hat Enterprise Linux (RHEL) 5 produces an archive with an fstab file potentially containing cleartext passwords, and lacks a warning about reviewing this archive to detect included passwords, which might allow remote attackers to obtain sensitive information by leveraging access to a technical-support data stream.
https://bugzilla.redhat.com/show_bug.cgi?id=1102633
http://www.ubuntu.com/usn/USN-2845-1