Learn about CVE-2023-33247, a critical vulnerability in Talend Data Catalog that allows unauthenticated deployment of WAR files on the server. Find out the impact, affected systems, exploitation, and mitigation steps.
A critical vulnerability in Talend Data Catalog that allows unauthenticated deployment of WAR files on the server.
Understanding CVE-2023-33247
This CVE identifies a security flaw in Talend Data Catalog's remote harvesting server that can be exploited by deploying unauthorized WAR files.
What is CVE-2023-33247?
The vulnerability in the /upgrade endpoint of Talend Data Catalog's remote harvesting server allows malicious actors to deploy WAR files without authentication.
The Impact of CVE-2023-33247
The unauthenticated deployment of WAR files can lead to unauthorized access, data manipulation, and potential server compromise.
Technical Details of CVE-2023-33247
This section provides detailed insights into the vulnerability, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability exists in the /upgrade endpoint of Talend Data Catalog's remote harvesting server, enabling the deployment of unauthorized WAR files.
Affected Systems and Versions
All versions of Talend Data Catalog before 8.0-20230413 are affected by this vulnerability.
Exploitation Mechanism
Malicious actors can exploit the /upgrade endpoint to deploy unauthenticated WAR files on the server, bypassing security measures.
Mitigation and Prevention
Discover immediate steps and long-term security practices to mitigate the risk and secure your systems.
Immediate Steps to Take
Ensure that the remote harvesting server is behind a firewall that restricts access to the Talend Data Catalog server, preventing unauthorized deployment.
Long-Term Security Practices
Regularly update and patch Talend Data Catalog to mitigate known vulnerabilities and enhance system security.
Patching and Updates
Refer to Talend's security advisories and updates to apply necessary patches that address CVE-2023-33247.