I have found a bug in chgrp (GNU fileutils) 4.0p.
When changing the group of a file that is has the suid bit set, it removes
the suid bit when changing the group.
Example:
# ls -l wrapper
-rwsrwxr-x 1 root users 15035 Dec 1 13:24 wrapper
^ suid bit is set
# chgrp majordom wrapper
# ls -l wrapper
-rwxrwxr-x 1 root majordom 15035 Dec 1 13:24 wrapper
^ suid bit was removed
This is clearly a bug as chgrp should only be modifying the group of a
file and not touching the permissions.
--
Matt Perry
[EMAIL PROTECTED]
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