CVE-2023-31417 : Vulnerability Insights and Analysis
Learn about CVE-2023-31417 where Elasticsearch fails to filter certain deprecated URIs, leading to exposure of passwords and tokens in clear text within audit logs. Find mitigation steps here.
Elasticsearch generally filters out sensitive information and credentials before logging to the audit log. However, a vulnerability was discovered that affects versions 7.0.0 to less than 7.17.12 and 8.0.0 to less than 8.9.1 of Elasticsearch, allowing certain deprecated URIs for APIs to bypass this filtering mechanism. This flaw could lead to the exposure of sensitive data such as passwords and tokens in clear text within Elasticsearch audit logs.
Understanding CVE-2023-31417
This section provides insights into the nature and impact of CVE-2023-31417.
What is CVE-2023-31417?
CVE-2023-31417 entails the insertion of sensitive information into Elasticsearch audit logs due to a lack of proper filtering mechanisms for requests using specific deprecated URIs.
The Impact of CVE-2023-31417
The impact of this vulnerability is the potential exposure of critical information like passwords and tokens in plaintext form within Elasticsearch audit logs, compromising the confidentiality of sensitive data.
Technical Details of CVE-2023-31417
Explore the technical aspects of CVE-2023-31417 to understand the vulnerability better.
Vulnerability Description
The flaw allows sensitive data to be logged in Elasticsearch audit logs without proper filtering, potentially exposing critical information to unauthorized parties.
Affected Systems and Versions
Versions 7.0.0 to less than 7.17.12 and 8.0.0 to less than 8.9.1 of Elasticsearch are affected by this vulnerability, impacting systems within this range.
Exploitation Mechanism
By utilizing specific deprecated URIs for APIs, attackers can bypass the filtering mechanisms and cause sensitive information to be logged in Elasticsearch audit logs.
Mitigation and Prevention
Discover the steps you can take to mitigate the risks associated with CVE-2023-31417
Immediate Steps to Take
- Update Elasticsearch to version 7.17.12 or 8.9.1, where the vulnerability has been patched.
- Enable audit logging and review logs for any suspicious activity.
Long-Term Security Practices
- Regularly monitor Elasticsearch logs for any unauthorized access or unusual activities.
- Implement strong access control measures to limit exposure of sensitive data.
Patching and Updates
Stay informed about security updates provided by Elasticsearch to ensure that your system is protected from known vulnerabilities.