Quantum Secular Labs / Blog / Advisories

CVE-2018-14719: Fasterxml Jackson Databind: Insecure deserialization

CVE-2018-14719 is rated critical with a CVSS v3.1 base score of 9.8 and affects Fasterxml Jackson Databind, along with 19 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

FasterXML jackson-databind 2.x before 2.9.7 might allow remote attackers to execute arbitrary code by leveraging failure to block the blaze-ds-opt and blaze-ds-core classes from polymorphic deserialization.

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 2.7.9.5; from 2.8.0 before 2.8.11.3; from 2.9.0 before 2.9.7
Debian Linux: 8.0; 9.0
Oracle Banking Platform: 2.5.0; 2.6.0; 2.6.1; 2.6.2
Oracle Business Process Management Suite: 12.1.3.0.0; 12.2.1.3.0
Oracle Clusterware: 12.1.0.2.0
Oracle Communications Billing And Revenue Management: 7.5; 12.0
Oracle Database Server: 11.2.0.4; 12.1.0.2; 12.2.0.1; 18c; 19c
Oracle Enterprise Manager For Virtualization: 13.2.2; 13.2.3; 13.3.1
Oracle Financial Services Analytical Applications Infrastructure: 8.0.2; 8.0.3; 8.0.4; 8.0.5; 8.0.6; 8.0.7
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 Jdeveloper: 12.1.3.0.0; 12.2.1.3.0
Oracle Primavera P6 Enterprise Project Portfolio Management: from 17.7 up to and including 17.12; 15.1; 15.2; 16.1; 16.2; 18.8
Oracle Primavera Unifier: from 17.7 up to and including 17.12; 16.1; 16.2; 18.8
Oracle Retail Merchandising System: 15.0; 16.0
Oracle Retail Workforce Management Software: 1.60.9.0.0