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LiveZilla 5.1.2.0 Insecure password storage



Author: Jakub Zoczek [zoczus@xxxxxxxxx]
CVE Reference: CVE-2013-7033
Product: LiveZilla 
Vendor: LiveZilla GmbH [http://livezilla.net]
Affected version: 5.1.2.0
Severity: Medium
CVSSv2 Score: 4.3 (AV:N/AC:M/Au:N/C:P/I:N/A:N)
Status: Partly 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 insecure password storage. Attacker using for example XSS attack is able to get currently logged operator's username and password string (plaintext).

0x03 Proof of Concept

alert('User: ' + loginName + ' password: ' + loginPassword);

http://postimg.org/image/vvw7e2zoz/

0x04 Fix

Vulnerability was partly fixed in LiveZilla 5.1.2.1 version. Now passwords are stored as md5 hash, but it's still accesable from javascript. 

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