PT-2011-43: Database information disclosure in Kayako Fusion

Vulnerable software

Kayako Fusion

Application link:

Severity level

Severity level: Medium    
Impact: Database information disclosure
Access Vector: Network exploitable

CVSS v2:
Base Score: 6.5
Vector: (AV:N/AC:L/Au:S/C:P/I:P/A:P)

CVE: not assigned

Software description

Kayako Fusion is the world's leading multi-channel helpdesk solution that enables organizations to deliver a better customer experience and work more effectively as a team, whatever their size.
Whether over email, support tickets, self-help, live chat or voice, your customers' support history is tracked in one place and can be accessed from anywhere.

Vulnerability description

A vulnerability has been discovered in Kayako Fusion, which can be exploited by a malicious person with a 'staff' privileged user account.
The vulnerability exists in the logic of report generation, which is based on Kayako Query Language (KQL). An authorized 'staff' user can generate a report containing usernames and hashed password of all system users.

How to fix

Update your software up to the latest version
Update link 1
Update link 2

Advisory status

25.11.2011 - Vendor is notified
25.11.2011 - Vendor gets vulnerability details
25.11.2011 - Vendor releases fixed version and details
02.12.2011 - Public disclosure


The vulnerability was discovered by Yuri Goltsev, Alexander Zaitsev, Positive Research Center (Positive Technologies Company)


Reports on the vulnerabilities previously discovered by Positive Research: