Quantum Secular Labs / Blog / Advisories

CVE-2017-17055: Articatech Artica Proxy: Cross-site scripting

CVE-2017-17055 is rated critical with a CVSS v3.0 base score of 9.0 and NVD lists Articatech Artica Proxy as the affected product. Per its scoring, it can be exploited over the network. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

Artica Web Proxy before 3.06.112911 allows remote attackers to execute arbitrary code as root by conducting a cross-site scripting (XSS) attack involving the username-form-id parameter to freeradius.users.php.

Severity breakdown

CVSS v3.0 9.0: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

  • Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
  • Attack complexity: Low. No special conditions; the attack can be repeated reliably.
  • Privileges required: Low. A basic user account is enough.
  • User interaction: Required. A user must take an action, such as opening a file or following a link.
  • Scope: Changed. Impact reaches beyond the vulnerable component to other resources.
  • Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
  • Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
  • Availability impact: High. Total loss of availability; the component can be shut down.

Underlying weakness

CWE-78: Improper Neutralization of Special Elements used in an OS Command

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command before it is sent to a downstream component.

Affected products

  • Articatech Artica Proxy: before 3.06.112911

References