Vulnerability Name:

CCN-112301

Published:2016-04-15
Updated:2016-04-15
Summary:pfSense is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the system_gateways_edit.php script. A remote attacker could exploit this vulnerability using the descr field to inject malicious script into a Web page which would be executed in a victim's Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.
CVSS v3 Severity:6.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Consequences:Cross-Site Scripting
References:Source: CCN
Type: Full-Disclosure Mailing List, Fri, 15 Apr 2016 14:54:55 +1200
PfSense Community Edition Multiple Vulnerabilities

Source: XF
Type: UNKNOWN
pfsense-systemgatewaysedit-xss(112301)

Source: CCN
Type: Packet Storm Security [04-15-2016]
PfSense Community Edition 2.2.6 CSRF / XSS / Command Injection PfSense Community Edition 2.2.6 CSRF / XSS / Command Injection

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [04-18-2016]

Source: CCN
Type: pfSense Security Advisory pfSense-SA-16_02.webgui
Multiple XSS and CSRF Vulnerabilities in the pfSense WebGUI

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:pfsense:pfsense:2.2.6:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    pfsense pfsense 2.2.6