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TITLE:
Bacula Multiple Insecure Temporary File Creation Vulnerability

SECUNIA ADVISORY ID:
SA16866

VERIFY ADVISORY:
http://secunia.com/advisories/16866/

CRITICAL:
Less critical

IMPACT:
Exposure of sensitive information, Privilege escalation

WHERE:
Local system

SOFTWARE:
Bacula 1.x
http://secunia.com/product/5734/

DESCRIPTION:
Eric Romang has reported some vulnerabilities in bacula, which can be
exploited by malicious, local users to perform certain actions on a
vulnerable system with escalated privileges, or to disclose certain
sensitive information.

The vulnerabilities are caused due to temporary files being created
insecurely in "/tmp" by "autoconf/randpass" and
"scripts/mtx-changer.in". This can be exploited via symlink attacks
in conjunction with a race condition to create or overwrite arbitrary
files with the privileges of the user running the affected scripts, or
to reveal the randomly generated password.

The vulnerabilities have been reported in version 1.36.3 and prior.

SOLUTION:
The vulnerabilities have been fixed in the CVS repositories.

PROVIDED AND/OR DISCOVERED BY:
Eric Romang, ZATAZ Audit.

ORIGINAL ADVISORY:
http://www.zataz.net/adviso/bacula-09192005.txt

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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