Visit our newest sister site!
Hundreds of free aircraft flight manuals
Civilian • Historical • Military • Declassified • FREE!


TUCoPS :: Linux :: Debian :: c07-2408.htm

/bin/ls with gid=0 in Debian linux-ftpd



/bin/ls with gid=0 in Debian linux-ftpd
/bin/ls with gid=0 in Debian linux-ftpd



Mea culpa. A stupid little bug crept into linux-ftpd for Debian, and
some other Linux distros. Some may have fixed it, but Debian hasn't.
The effect is that ftpd now runs /bin/ls (for DIR and similar commands)
with GID=0. Does not seem terribly dangerous as I do not seem able to
trick ls into running anything, nor are there any interesting objects
thusly accessible. Would become a "root hole" if someone finds a way
to execute anything from /bin/ls (as started from ftpd).

Please see

http://bugs.debian.org/384454 

for details.

Cheers,

Paul Szabo psz@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ 
School of Mathematics and Statistics   University of Sydney    Australia


TUCoPS is optimized to look best in Firefox® on a widescreen monitor (1440x900 or better).
Site design & layout copyright © 1986-2014 AOH