CVE-2023-49080 : What You Need to Know
Learn about CVE-2023-49080 affecting Jupyter Server, exposing sensitive information in error messages. Find out impact, technical details, and mitigation strategies.
A vulnerability has been discovered in Jupyter Server that exposes sensitive information through error messages. This article provides details on CVE-2023-49080, its impact, technical details, and mitigation strategies.
Understanding CVE-2023-49080
Jupyter Server errors include tracebacks with path information, potentially leaking sensitive data.
What is CVE-2023-49080?
The Jupyter Server backend for web applications exposes traceback information in error messages, revealing path details. This information is included in API responses, posing a security risk to authenticated users.
The Impact of CVE-2023-49080
The vulnerability allows authenticated users to view sensitive path information, compromising confidentiality. While no known exploitation method exists without authentication, the exposed paths can be a security concern for users.
Technical Details of CVE-2023-49080
The vulnerability in Jupyter Server affects versions prior to 2.11.2 and assigns a CVSS base score of 3.5 (Low severity). The error messages containing traceback information pose a risk to user confidentiality.
Vulnerability Description
Unhandled errors in API requests reveal traceback and path information, potentially exposing sensitive data to authenticated users with execution permissions.
Affected Systems and Versions
- Vendor: jupyter-server
- Product: jupyter_server
- Versions Affected: < 2.11.2
Exploitation Mechanism
Authenticated users can trigger API errors to access path details in error messages, compromising confidentiality.
Mitigation and Prevention
To mitigate the CVE-2023-49080 vulnerability, users are advised to take immediate steps and adopt long-term security practices.
Immediate Steps to Take
- Upgrade to version 2.11.2 or later to prevent traceback information leakage.
Long-Term Security Practices
- Regularly update Jupyter Server to the latest releases to address security vulnerabilities promptly.
Patching and Updates
Follow security advisories and apply patches promptly to ensure the security of Jupyter Server installations.