Hide Forgot
Created attachment 516008 [details] Patch to fix the problem Description of problem: After doing some tests, I found that rpcbind is not dropping supplemental groups when it probably should. Version-Release number of selected component (if applicable): 0.2.0 How reproducible: service rpcbind restart cat /proc/<pid>/status | grep 'Groups'
(In reply to comment #0) > Created attachment 516008 [details] > Patch to fix the problem > > Description of problem: > After doing some tests, I found that rpcbind is not dropping supplemental > groups when it probably should. > Why?
Because if you don't drop the supplemental groups, the program has the ability to write to any file that is group root writable or read any file with group root. Since it changed uid/gid, its clear that the intent was to drop any and all privileges.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. http://rhn.redhat.com/errata/RHEA-2012-0974.html