Quantum Secular Labs / Blog / Advisories

CVE-2017-4955: Pivotal Software Cloud Foundry Elastic Runtime: Insertion of Sensitive Information into Log File

CVE-2017-4955 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists Pivotal Software Cloud Foundry Elastic Runtime as the affected product. 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 Pivotal PCF Elastic Runtime 1.6.x versions prior to 1.6.65, 1.7.x versions prior to 1.7.48, 1.8.x versions prior to 1.8.28, and 1.9.x versions prior to 1.9.5. Several credentials were present in the logs for the Notifications errand in the PCF Elastic Runtime tile.

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

  • Pivotal Software Cloud Foundry Elastic Runtime: 1.6.0; 1.6.1; 1.6.2; 1.6.3; 1.6.4; 1.6.5; 1.6.6; 1.6.7; 1.6.8; 1.6.9; 1.6.10; 1.6.11

References