From: Secunia Security Advisories (sec-advsecunia.com)
Date: Mon Jul 04 2005 - 14:04:45 CDT

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TITLE:
Cacti "no_http_headers" Security Bypass and Shell Command Injection

SECUNIA ADVISORY ID:
SA15908

VERIFY ADVISORY:
http://secunia.com/advisories/15908/

CRITICAL:
Highly critical

IMPACT:
Security Bypass, Manipulation of data, System access

WHERE:
From remote

SOFTWARE:
Cacti 0.x
http://secunia.com/product/3793/

DESCRIPTION:
Stefan Esser has reported two vulnerabilities in Cacti, which can be
exploited by malicious people to bypass certain security restrictions
and compromise a vulnerable system.

1) Input passed to the "no_http_headers" parameter isn't properly
verified before being used. This can be exploited to overwrite
session structures and bypass certain filtering mechanisms.

Successful exploitation allows people to gain administrative
privileges and perform various SQL injection attacks, but requires
that "register_globals" is enabled.

2) An error in the administrative interface can be exploited to
inject arbitrary shell commands by manipulating the path to
"rrdtool".

Successful exploitation requires administrative privileges.

The vulnerabilities have been reported in version 0.8.6e and prior.

SOLUTION:
Update to version 0.8.6f.
http://www.cacti.net/download_cacti.php

PROVIDED AND/OR DISCOVERED BY:
Stefan Esser, Hardened-PHP Project

ORIGINAL ADVISORY:
http://www.hardened-php.net/advisory-052005.php

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