Attacker Value
Unknown
(1 user assessed)
Exploitability
Unknown
(1 user assessed)
User Interaction
Unknown
Privileges Required
Unknown
Attack Vector
Unknown
0

CVE-2012-0297 Symantec Web Gateway Vulnerability

Disclosure Date: May 21, 2012
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

The management GUI in Symantec Web Gateway 5.0.x before 5.0.3 does not properly restrict access to application scripts, which allows remote attackers to execute arbitrary code by (1) injecting crafted data or (2) including crafted data.

Add Assessment

2
Technical Analysis

—\” >> logging”);
exec(“echo \“route >> logging\” >> networkScript”);
echo “executing script<br/>”;
exec(“./networkScript”);
?>
</body>
</html>


Analysis of the command injection

echo “ifconfig eth0 netmask “. \(HTTP_POST_VARS["subnet"] ." ". \)HTTP_POST_VARS[“ip”] .“;” >> networkScript


“;” + payload.encoded + “;#”


**/spywall/network.php**

```php
<?php

require_once('includes/spywall_api.php');
/*
$wan = 'eth0';
$lan = 'eth1';
$management = 'eth2';
$mon = 'eth3';
$savename = '';

$model = exec('cat /tmp/appliancemodel');
if ($model == '007' || $model == '009') {
	// different ethernet device numbers for these models
	$management = 'eth0';
	$mon = 'eth3';
	$wan = 'eth5';
	$lan = 'eth6';
}
*/
$portMap = getPortMap();
$management = $portMap['mgmt'];
$mon = $portMap['monitor'];
$wan = $portMap['wan'];
$lan = $portMap['lan'];

$device = '';
if ($_POST['name'] == 'lan') {
	$device = $lan;
	$savename = 'LAN';
} else if ($_POST['name'] == 'wan') {
	$device = $wan;
	$savename = 'WAN';
} else if ($_POST['name'] == 'monitor') {
	$device = $mon;
	$savename = 'MON';
} else {
	$device = $management;
	$savename = 'MAN';
}

if (strlen($device)) {
	// set autonegotiation, duplex (if it isn't set to unknown),
	// and speed (if it isn't set to unknown)
	exec("sudo /sbin/ethtool -s $device autoneg ". $_POST['auto'] .((isset($_POST['duplex']) && $_POST['duplex'] != 'unknown')?(" duplex ". $_POST['duplex']):'') .((isset($_POST['speed']) && $_POST['speed'] != 'unknown')?(" speed ". $_POST['speed']):''));

        exec("sudo /bin/rm -f /home/admin/autoconfig". $savename);
	// save info to autoconfig file
	exec("echo \"/sbin/ethtool -s $device autoneg ". $_POST['auto'] .((isset($_POST['duplex']) && $_POST['duplex'] != 'unknown')?(" duplex ". $_POST['duplex']):'') .((isset($_POST['speed']) && $_POST['speed'] != 'unknown')?(" speed ". $_POST['speed']):'') ."\" > /home/admin/autoconfig". $savename);
//	echo "\"/sbin/ethtool -s $device autoneg ". $_POST['auto'] .(($_POST['duplex'] != 'unknown')?(" duplex ". $_POST['duplex']):'') .(($_POST['speed'] != 'unknown')?(" speed ". $_POST['speed']):'') ."\" > /home/admin/autoconfig". $savename;
	sleep(5);	// we sleep because otherwise we get back before the changes take effect
}

?>
<script language="javascript"> window.location="admin_advanced.php";</script>
CVSS V3 Severity and Metrics
Base Score:
None
Impact Score:
Unknown
Exploitability Score:
Unknown
Vector:
Unknown
Attack Vector (AV):
Unknown
Attack Complexity (AC):
Unknown
Privileges Required (PR):
Unknown
User Interaction (UI):
Unknown
Scope (S):
Unknown
Confidentiality (C):
Unknown
Integrity (I):
Unknown
Availability (A):
Unknown

General Information

Vendors

  • symantec

Products

  • web gateway 5.0,
  • web gateway 5.0.1,
  • web gateway 5.0.2
Technical Analysis