CVE-2023-39968: Open Redirect Vulnerability in jupyter-server
Impact
Open Redirect Vulnerability. Maliciously crafted login links to known Jupyter Servers can cause successful login or an already logged-in session to be redirected to arbitrary sites, which should be restricted to Jupyter Server-served URLs.
Patches
Upgrade to Jupyter Server 2.7.2
Workarounds
None.
References
Vulnerability reported by user davwwwx via the bug bounty program sponsored by the European Commission and hosted on the Intigriti platform.
- https://blog.xss.am/2023/08/cve-2023-39968-jupyter-token-leak/
Other sources
jupyter-server is the backend for Jupyter web applications. Open Redirect Vulnerability. Maliciously crafted login links to known Jupyter Servers can cause successful login or an already logged-in session to be redirected to arbitrary sites, which should be restricted to Jupyter Server-served URLs. This issue has been addressed in commit 29036259 which is included in release 2.7.2. Users are advised to upgrade. There are no known workarounds for this vulnerability.
— MITRE
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the impact of CVE-2023-39968?
The impact is an open redirect vulnerability that can redirect a successful login or an already logged-in session to arbitrary sites.
How can I fix CVE-2023-39968?
You can fix CVE-2023-39968 by upgrading to Jupyter Server 2.7.2.
What is the severity of CVE-2023-39968?
The severity of CVE-2023-39968 is medium with a CVSS score of 6.1.
What is the Common Weakness Enumeration (CWE) for CVE-2023-39968?
The CWE for CVE-2023-39968 is CWE-79 (Improper Neutralization of Input During Web Page Generation) and CWE-601 (URL Redirection to Untrusted Site ('Open Redirect')).
Where can I find more information about CVE-2023-39968?
You can find more information about CVE-2023-39968 at the following references: [1] [2] [3].