Cross-site scripting in Advantech WebAccess

1) Cross-site scripting

EUVDB-ID: #VU42633

Risk: Low

CVSSv4.0: 2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2013-2299

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 Cross-site scripting attacks.

An input validation error exists in Advantech WebAccess (formerly BroadWin WebAccess) before 7.1 2013.05.30. A remote authenticated attacker can trick the victim to follow a 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

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Advantech WebAccess: 5.0 - 6.0

CPE2.3

• cpe:2.3:a:advantech:advantech_webaccess:5.0:*:*:*:*:*:*:*
• cpe:2.3:a:advantech:advantech_webaccess:6.0:*:*:*:*:*:*:*

External links

https://ics-cert.us-cert.gov/advisories/ICSA-13-225-01

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

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.