CVE-2023-46672 : Vulnerability Insights and Analysis
Discover the impact of CVE-2023-46672 in Logstash, allowing sensitive data exposure. Learn about affected versions, exploitation mechanism, and mitigation steps.
An issue was identified by Elastic in Logstash where sensitive information is recorded in logs under specific circumstances.
Understanding CVE-2023-46672
This CVE involves the insertion of sensitive information into Logstash log files, potentially exposing confidential data.
What is CVE-2023-46672?
The CVE-2023-46672 vulnerability in Logstash allows sensitive data to be logged under certain conditions if Logstash is configured to log in JSON format and sensitive data is stored in the Logstash keystore.
The Impact of CVE-2023-46672
This vulnerability poses a high risk as it could lead to the exposure of sensitive information, causing confidentiality and integrity issues in affected systems.
Technical Details of CVE-2023-46672
The vulnerability's CVSS score is 8.4, indicating a high severity level. It has a low attack complexity and vector, but high impacts on confidentiality and integrity.
Vulnerability Description
Sensitive information is recorded in Logstash logs when specific conditions related to configuration and data storage are met.
Affected Systems and Versions
Logstash version 8.10.0 is affected by this vulnerability, with versions prior to 8.11.1 being susceptible.
Exploitation Mechanism
The vulnerability can be exploited by configuring Logstash to log in JSON format and referencing sensitive data stored in the Logstash keystore within the Logstash configuration.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent exploitation of this vulnerability in Logstash.
Immediate Steps to Take
Verify Logstash configurations, avoid storing sensitive data in the keystore, and consider upgrading to Logstash version 8.11.1 to mitigate the risk.
Long-Term Security Practices
Regularly review and update Logstash configurations, monitor log files for unusual entries, and follow security best practices to safeguard against data exposure.
Patching and Updates
Stay informed about security updates from Elastic and apply patches promptly to protect Logstash deployments.