Two XSS vulnerabilities in Telaxus EPESI

Published: 2017-06-01 | Updated: 2017-06-12

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2017-9331 CVE-2017-8763
CWE-ID	CWE-79
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	EPESI Web applications / CMS
Vendor	Telaxus LLC

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU6856

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-9331

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

Exploit availability: No

Description

Vulnerability allows a remote attacker to perform Cross-site scripting attacks.

An input validation error exists in modules/Utils/RecordBrowser/RecordBrowserCommon_0.php, when processing data passed via the meeting description parameter. 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

Install update from vendor's website.

Vulnerable software versions

EPESI: 1.5.0 - 1.8.2

External links

http://github.com/Telaxus/EPESI/commit/dda3e5f3843e80fe9ed36115f4fe72c06a3a41bc
http://github.com/Telaxus/EPESI/issues/193

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.

2) Cross-site scripting

EUVDB-ID: #VU6857