Learn about CVE-2023-26264 in Talend Data Catalog, exposing to XXE attacks. Find impacts, technical details, affected versions, exploitation, and mitigation strategies.
This article provides detailed information about CVE-2023-26264, including its description, impact, technical details, affected systems, exploitation mechanism, and mitigation strategies.
Understanding CVE-2023-26264
CVE-2023-26264 refers to a vulnerability found in all versions of Talend Data Catalog before 8.0-20220907. The vulnerability exposes the software to XML External Entity (XXE) attacks, specifically in the license parsing code.
What is CVE-2023-26264?
The CVE-2023-26264 vulnerability in Talend Data Catalog allows for XML External Entity (XXE) attacks, which can potentially lead to unauthorized access to sensitive information or perform other malicious activities.
The Impact of CVE-2023-26264
If exploited, CVE-2023-26264 could result in unauthorized disclosure of information, data tampering, and even server-side request forgery (SSRF) attacks. This could compromise the confidentiality, integrity, and availability of data within the affected systems.
Technical Details of CVE-2023-26264
The following technical details outline the specific aspects of the CVE-2023-26264 vulnerability:
Vulnerability Description
The vulnerability arises in the license parsing code of Talend Data Catalog versions before 8.0-20220907, making it susceptible to XML External Entity (XXE) attacks. Attackers could exploit this flaw to retrieve files, conduct SSRF attacks, or initiate other malicious activities.
Affected Systems and Versions
All versions of Talend Data Catalog before 8.0-20220907 are impacted by CVE-2023-26264. Users utilizing these versions are at risk of exploitation unless appropriate actions are taken to mitigate the vulnerability.
Exploitation Mechanism
Exploiting CVE-2023-26264 involves injecting malicious XML code or entities into the license parsing functionality of Talend Data Catalog. This can be achieved by crafting specially designed requests to trigger the vulnerability and gain unauthorized access to sensitive information.
Mitigation and Prevention
To address CVE-2023-26264 and enhance the security posture of affected systems, the following mitigation and prevention measures are recommended:
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Stay informed about security patches and updates released by Talend for Talend Data Catalog. Apply these patches as soon as they are available to ensure that known vulnerabilities, including CVE-2023-26264, are adequately addressed and mitigated.