Description
UNIX news readers tin and rtin create the /tmp/.tin_log file with insecure permissions and follow symlinks, which allows attackers to modify the permissions of files writable by the user via a symlink attack.
References
- 19960903 [BUG] Vulnerability in TIN mailing-list
- tin-tmpfile(431) vdb-entry
- 19960903 Re: BoS: [BUG] Vulnerability in TIN mailing-list
- 19970329 symlink bug in tin/rtin mailing-list