KL-001-2017-013 : Barracuda WAF Management Application Username and Session ID Leak
Title: Barracuda WAF Management Application Username and Session ID Leak
Advisory ID: KL-001-2017-013
Publication Date: 2017.07.06
Publication URL: https://www.korelogic.com/Resources/Advisories/KL-001-2017-013.txt
1. Vulnerability Details
Affected Vendor: Barracuda
Affected Product: Web Application Firewall V360
Affected Version: Firmware v8.0.1.014
Platform: Embedded Linux
CWE Classification: CWE-200: Information Exposure
Impact: Privileged Access
Attack vector: HTTP
2. Vulnerability Description
The Barracuda WAF management application transmits the current
user and session identifier over HTTP GET.
3. Technical Description
The HTTP URL shown below contains both the username and a md5 hash.
This information is transmitted over a plaintext network connection.
The password parameter can be seen more like a session identifier
whose values are valid for a maximum of five days.
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:50.0) Gecko/20100101 Firefox/50.0
Accept-Encoding: gzip, deflate
HTTP/1.1 200 OK
Server: BarracudaHTTP 4.0
Content-Type: text/html; charset=utf-8
Expires: Fri, 27 Nov 2015 16:26:42 GMT
Date: Sat, 26 Nov 2016 16:26:42 GMT
4. Mitigation and Remediation Recommendation
The vendor has patched this vulnerability in the lastest
virtual appliance release.
This vulnerability was discovered by Matt Bergin (@thatguylevel)
of KoreLogic, Inc. and Joshua Hardin.
6. Disclosure Timeline
2016.12.20 - KoreLogic sends vulnerability report and PoC to
2016.12.21 - Barracuda acknowledges receipt of the vulnerability
2017.01.09 - Barracuda informs KoreLogic that they are working
on remediation for this issue.
2017.01.26 - Barracuda asks for additional time beyond the
standard 45 business day embargo to address this
and other issues reported by KoreLogic.
2017.02.27 - 45 business days have elapsed since the issue was
2017.04.10 - 75 business days have elapsed since the issue was
2017.05.15 - 100 business days have elapsed since the issue was
2017.05.24 - Barracuda updates KoreLogic on the status of the
2017.06.13 - 120 business days have elapsed since the issue was
2017.06.27 - Barracuda informs KoreLogic that the issue has
been fixed in the latest release of the WAF
2017.07.06 - KoreLogic public disclosure.
7. Proof of Concept
See 3. Technical Description
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