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Message-ID: <405FB8EF.5010803@zip.com.au> From: dtucker at zip.com.au (Darren Tucker) Subject: AIX 4.3.3 has make sgid 0? BoneMachine wrote: > I was browsing the SecurityFocus vulnerability database and found the following: > http://www.securityfocus.com/bid/9903 > "Because the make utility is reported to run with setGID root privileges, a local attacker may potentially exploit this condition to gain access to the root group" > > Is this true ? I cannot believe that IBM has an setGID root-bit on the make utillity. This goes against all security practices I've ever heard. > Are there people that have more info on this vulnerability or is this a hoax? make is *not* setgid on my AIX 4.3.3 ML 11 box: # echo `uname` `oslevel -r` AIX 4330-11 # ls -l /usr/ccs/bin/make -r-xr-xr-x 1 bin bin 90362 Sep 26 2002 /usr/ccs/bin/make # lslpp -L bos.adt.base bos.adt.base 4.3.3.78 C Base Application Development Toolkit Out of curiosity, I pulled apart the bos.adt fileset from the 4.3.3 distribution media. In the bos.adt.base.inventory file, make is specified as mode 555 and is not setgid there either: /usr/ccs/bin/make: owner = bin group = bin mode = 555 I guess it's possible that one of the filesets between 4.3.3.0 and 4.3.3.78 is different but I'm not about to find out... -- Darren Tucker (dtucker at zip.com.au) GPG key 8FF4FA69 / D9A3 86E9 7EEE AF4B B2D4 37C9 C982 80C7 8FF4 FA69 Good judgement comes with experience. Unfortunately, the experience usually comes from bad judgement.
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