Quantum Secular Labs / Blog / Advisories

CVE-2019-0230: Apache Struts: Remote code execution

CVE-2019-0230 is rated critical with a CVSS v3.1 base score of 9.8 and affects Apache Struts, along with 4 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

Apache Struts 2.0.0 to 2.5.20 forced double OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution.

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-1321: Improperly Controlled Modification of Object Prototype Attributes

The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.

Affected products

Apache Struts: from 2.0.0 up to and including 2.5.20
Oracle Communications Policy Management: 12.5.0
Oracle Financial Services Data Integration Hub: 8.0.3; 8.0.6
Oracle Financial Services Market Risk Measurement And Management: 8.0.6
Oracle Mysql Enterprise Monitor: up to and including 8.0.23