BugTraq
LiveZilla 5.1.2.0 PHP Object Injection Dec 14 2013 11:51PM
zoczus gmail com
Author: Jakub Zoczek [zoczus (at) gmail (dot) com [email concealed]]
CVE Reference: CVE-2013-7034
Product: LiveZilla
Vendor: LiveZilla GmbH [http://livezilla.net]
Affected version: 5.1.2.0
Severity: Medium
CVSSv2 Score: 6.4 (AV:N/AC:L/Au:N/C:P/I:P/A:N)
Status: Fixed

0x01 Background

LiveZilla, the widely-used and trusted Live Help and Live Support System.

0x02 Description

LiveZilla in version 5.1.2.0 is prone to remote PHP Object Injection. Attacker is able to inject existing class instances using user-controled livezilla cookie which is simply base64 encoded, serialized php object. This may end with unspecified behavior of application, depends on context.

Vulnerable file: _lib/functions.global.inc.php , function: setCookieValue()

0x03 Proof of Concept

Won't provide.

0x04 Fix

Vulnerability was fixed in LiveZilla 5.1.2.1 version.

0x05 Timeline

08.12.2013 - Vendor notified
09.12.2013 - Vendor responded with informations about planned release
10.12.2013 - Version 5.1.2.1 released
15.12.2013 - Public Disclosure

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