Quantum Secular Labs / Blog / Advisories

CVE-2017-7214: Openstack Nova: Information disclosure

CVE-2017-7214 is rated critical with a CVSS v3.0 base score of 9.8 and affects Openstack Nova. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

An issue was discovered in exception_wrapper.py in OpenStack Nova 13.x through 13.1.3, 14.x through 14.0.4, and 15.x through 15.0.1. Legacy notification exception contexts appearing in ERROR level logs may include sensitive information such as account passwords and authorization tokens.

Severity breakdown

CVSS v3.0 9.8: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/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: 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: 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-532: Insertion of Sensitive Information into Log File

The product writes sensitive information to a log file.

Affected products

  • Openstack Nova: 13.0.0; 13.1.0; 13.1.1; 13.1.2; 13.1.3; 14.0.0; 14.0.1; 14.0.2; 14.0.3; 14.0.4; 15.0.0; 15.0.1

References