Quantum Secular Labs / Blog / Advisories

CVE-2018-10867: Red Hat Certification: Files or Directories Accessible to External Parties

CVE-2018-10867 is rated critical with a CVSS v3.1 base score of 9.1 and affects Red Hat Certification. Per its scoring, it can be exploited over the network, without authentication, without any user interaction.

Vulnerability description

Files are accessible without restrictions from the /update/results page of redhat-certification 7 package, allowing an attacker to remove any file accessible by the apached user.

Severity breakdown

CVSS v3.1 9.1: CVSS:3.1/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-552: Files or Directories Accessible to External Parties

The product makes files or directories accessible to unauthorized actors, even though they should not be.

Affected products

  • Red Hat Certification: 7.0

References