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common/path.c:expand_tempdir() uses TEMP instead of the more standard TMPDIR variable. It is unclear whether there are any secure uses of $TEMP in configuration settings.
Created attachment 774656[details]
tools: Use $TMPDIR instead of $TEMP
TMPDIR is a more standard environment variable for locating the
temp directory on Unix. In addition since this is only used in
tests, remove the code from the generic p11_path_expand() func.
In general remove the possibility for forks to put $HOME or $TEMP
environment variables in configured paths. This was possible
due to code in p11_path_expand() but not something we supported.
Created attachment 775239[details]
tools: Use $TMPDIR instead of $TEMP
TMPDIR is a more standard environment variable for locating the
temp directory on Unix. In addition since this is only used in
tests, remove the code from the generic p11_path_expand() func.
In general remove the possibility for forks to put $HOME or $TEMP
environment variables in configured paths. This was possible
due to code in p11_path_expand() but not something we supported.
TMPDIR is only used in test cases, so you would use the built test cases in the 0.18.5 source code to verify. Any test case that contains the function call of test_temp_directory() would be appropriate. So for example.
You can run something like:
$ TMPDIR=/blah libtool --mode=execute strace -e open tools/tests/test-save
And you should get a failure like this:
p11-kit: couldn't create temp directory: /blah/test-extract.aUCiib: No such file or directory
lt-test-save: test.c:262: test_temp_directory: Assertion `0 && "not reached"' failed.
Aborted (core dumped)
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-2013-1626.html