Path traversal in Liferay Enterprise Portal - CVE-2016-6517

 

Path traversal in Liferay Enterprise Portal - CVE-2016-6517

Published: January 23, 2017 / Updated: September 19, 2017


Vulnerability identifier: #VU8503
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2016-6517
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Liferay
Affected software:
Liferay Enterprise Portal

Detailed vulnerability description

The vulnerability allows a remote attacker to view arbitrary files on the target system.

The vulnerability exists due to improper input validation when processing data passed via the “minifierBundleDir” HTTP GET parameter to “/html/js/barebone.jsp” script. A remote attacker can send a specially crafted HTTP request, containing directory traversal sequences (e.g. %2E%2E (encoded dot dot)) and view contents of arbitrary files on the vulnerable system.


How to mitigate CVE-2016-6517

Update to version 5.1.1.

Sources