Multiple vulnerabilities in Liferay Portal

Published: 2016-06-14 | Updated: 2017-09-21

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2016-3670 CVE-2010-5327
CWE-ID	CWE-79 CWE-94
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available.
Vulnerable software Subscribe	Liferay Enterprise Portal Web applications / CMS
Vendor	Liferay

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU8540

Risk: Low

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2016-3670

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: Yes

Description

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in users.jsp in the Profile Search functionality in Liferay before 7.0.0 CE RC1 when processing FirstName field. A remote attacker can trick the victim to follow a specially specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Update to version 7.0.0 CE RC1.

Vulnerable software versions

Liferay Enterprise Portal: 6.2.0 B1 - 6.2.4 GA5

CPE2.3

cpe:2.3:a:liferay:liferay_portal:6.2.4 GA5:*:*:*:*:*:*:*

External links

http://labs.integrity.pt/advisories/cve-2016-3670/
http://issues.liferay.com/browse/LPS-62387

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

2) Code injection

EUVDB-ID: #VU8542

Risk: Medium

CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2010-5327

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote authenticated attacker to execute arbitrary OS commands.

The vulnerability exists due to improper input sanitization in Velocity templates. A remote authenticated attacker can execute arbitrary shell commands via specially crafted Velocity template.

Mitigation

Update to version 6.2 CE GA6 (6.2.5).