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TITLE:
Scilab Insecure Temporary Files

SECUNIA ADVISORY ID:
SA32598

VERIFY ADVISORY:
https://secunia.com/advisories/32598/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
Scilab 4.x
https://secunia.com/advisories/product/19516/

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

The security issues are caused due to the "bin/scilink",
"util/scidoc", and "util/scidem" scripts using temporary files in an
insecure manner. This can be exploited to e.g. overwrite arbitrary
files via symlink attacks.

The security issues are reported in version 4.1.2. Other versions may
also be affected.

SOLUTION:
Upgrade to version 5.0 or later.

PROVIDED AND/OR DISCOVERED BY:
Reported by Dmitry E. Oboukhov in a Debian bug report.

ORIGINAL ADVISORY:
Debian:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=496414

Scilab:
https://bugzilla.scilab.org/show_bug.cgi?id=3409

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