CVE-2023-39968

Description

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.

Predictions

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

References

• https://github.com/jupyter-server/jupyter_server/security/advisories/GHSA-r726-vmfq-j9j3
• https://nvd.nist.gov/vuln/detail/CVE-2023-39968
• https://github.com/jupyter-server/jupyter_server/commit/290362593b2ffb23c59f8114d76f77875de4b925
• https://blog.xss.am/2023/08/cve-2023-39968-jupyter-token-leak
• https://github.com/jupyter-server/jupyter_server
• https://github.com/pypa/advisory-database/tree/main/vulns/jupyter-server/PYSEC-2023-155.yaml
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NRP7DNZYVOIA4ZB3U3ZWKTFZEPYWNGCQ
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XDKQAWQN6SQTOVACZNXYKEHWQXGG4DOF
• https://www.suse.com/security/cve/CVE-2023-39968.html
• https://security-tracker.debian.org/tracker/CVE-2023-39968