Quantum Secular Labs / Blog / Advisories

CVE-2018-11307: Fasterxml Jackson Databind: Deserialization of Untrusted Data

CVE-2018-11307 is rated critical with a CVSS v3.1 base score of 9.8 and affects Fasterxml Jackson Databind, along with 6 other products in NVD’s configuration data. 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 FasterXML jackson-databind 2.0.0 through 2.9.5. Use of Jackson default typing along with a gadget class from iBatis allows exfiltration of content. Fixed in 2.7.9.4, 2.8.11.2, and 2.9.6.

Severity breakdown

CVSS v3.1 9.8: CVSS:3.1/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-502: Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Affected products

  • Fasterxml Jackson Databind: from 2.0.0 before 2.6.7.3; from 2.7.0 before 2.7.9.4; from 2.8.0 before 2.8.11.2; from 2.9.0 before 2.9.6
  • Red Hat Openshift Container Platform: 3.11; 4.1
  • Oracle Clusterware: 12.1.0.2.0
  • Oracle Communications Instant Messaging Server: 10.0.1.2.0
  • Oracle Global Lifecycle Management Opatch: before 11.2.0.3.23; from 12.2.0.1.0 before 12.2.0.1.19; from 13.9.4.0.0 before 13.9.4.2.1
  • Oracle Retail Customer Management And Segmentation Foundation: 17.0
  • Oracle Utilities Advanced Spatial And Operational Analytics: 2.7.0.1

References