A portion of this exploit scenario has already been disclosed in the
past. The tmp file issues in ml85p can be located at
http://www.securityfocus.com/bid/3008
Mandrake has released an advisory (MDKSA-2003:010) which contains fixes:
The information contained below is the snippet from the iDEFENSE
advisory http://www.idefense.com/advisory/01.21.03.txt. This condition
has also already been exploited by SNOSoft with the help of Charles
Stevenson:
VULNERABILITY THREE: The ml85p binary, installed set user id root,
contains a race condition in its opening of temporary files. Successful
exploitation provides an attacker with the ability to create or empty a
file with super user privileges. The following snippet contains the
offending segment of code:
sprintf(gname,"/tmp/mlg85p%d",time(0));
if (!(cbmf = fopen(gname,"w+"))) {
-KF
