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TITLE:
lmbench Insecure Temporary Files

SECUNIA ADVISORY ID:
SA32587

VERIFY ADVISORY:
http://secunia.com/advisories/32587/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
lmbench 2.x
http://secunia.com/advisories/product/20434/

DESCRIPTION:
Some security issue have been reported in lmbench, which can be
exploited by malicious, local users to perform certain actions with
escalated privileges.

The security issues are caused due to the "scripts/SHIT" and
"scripts/rccs" scripts using temporary files in an insecure manner.
This can be exploited to overwrite arbitrary files via symlink
attacks.

NOTE: Similar security issues in src/rhttp.c, src/lat_fcntl.c,
src/lat_fifo.c, src/lat_proc.c, and src/lmhttp.c have also been
reported.

The security issues affect version 2.5. Other versions may also be
affected.

SOLUTION:
Restrict local access to trusted users only.

PROVIDED AND/OR DISCOVERED BY:
Reported by Dmitry E. Oboukhov and Thijs Kinkhorst in a Debian bug
report for development version 3.0-a7.

ORIGINAL ADVISORY:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=496427

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