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TITLE:
Firewall Builder "fwb_install" Insecure Temporary Files

SECUNIA ADVISORY ID:
SA32570

VERIFY ADVISORY:
http://secunia.com/advisories/32570/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
Firewall Builder 2.x
http://secunia.com/advisories/product/20433/

DESCRIPTION:
A security issue has been reported in Firewall Builder, which can be
exploited by malicious, local users to perform certain actions with
escalated privileges.

The security issue is caused due to the src/tools/fwb_install script
using temporary files in an insecure manner. This can be exploited to
e.g. overwrite arbitrary files via symlink attacks.

The security issue is reported in version 2.1.19. Other versions may
also be affected.

SOLUTION:
Restrict local access to trusted users only.

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

ORIGINAL ADVISORY:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=496406

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