Quantum Secular Labs / Blog / Advisories

CVE-2017-8827: Genixcms: Denial of service

CVE-2017-8827 is rated critical with a CVSS v3.0 base score of 9.1 and affects Genixcms. Per its scoring, it can be exploited over the network, without authentication, without any user interaction.

Vulnerability description

forgotpassword.php in GeniXCMS 1.0.2 lacks a rate limit, which might allow remote attackers to cause a denial of service (login inability) or possibly conduct Arbitrary User Password Reset attacks via a series of requests.

Severity breakdown

CVSS v3.0 9.1: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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: None. No account or prior access is needed.
  • User interaction: None. No action from any user is needed.
  • Scope: Unchanged. Impact stays within the vulnerable component.
  • Confidentiality impact: None. No loss of confidentiality.
  • 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-287: Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected products

  • Genixcms: 1.0.2

References