#VU17830 Cross-site scripting in pfsense (FreeBSD port) - CVE-2019-8953

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Main Vulnerability Database Vulnerabilities #VU17830

#VU17830 Cross-site scripting in pfsense (FreeBSD port) - CVE-2019-8953

Published: February 22, 2019 / Updated: June 17, 2021


Vulnerability identifier: #VU17830
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Clear
CVE-ID: CVE-2019-8953
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
pfsense (FreeBSD port)
Software vendor:
Rubicon Communications

Description

The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data when processing the desc (aka Description) or table_actionsaclN parameter, related to haproxy_listeners.php and haproxy_listeners_edit.php within the HAProxy package, included into FreeBSD port. A remote attacker can trick the victim to follow a specially specially crafted link and execute arbitrary HTML and script code in user's browser in 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.


Remediation

Install updates from GIT repository.

External links