Cross-site scripting in Palo Alto PAN-OS

1) Cross-site scripting

EUVDB-ID: #VU39470

Risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-5584

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 the Management Web Interface in Palo Alto Networks PAN-OS 5.1, 6.x before 6.1.16, 7.0.x before 7.0.13, and 7.1.x before 7.1.8. 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

Install update from vendor's website.

Vulnerable software versions

Palo Alto PAN-OS: 5.1 - 7.1.7

External links

http://www.securityfocus.com/bid/96371
http://www.securitytracker.com/id/1037889
http://security.paloaltonetworks.com/CVE-2017-5584

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.