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
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| โ | Affected | โ |
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2.14.2-1 |
| sid | Fixed | 2.14.2-1 |
| forky | Fixed | 2.14.2-1 |
| bullseye | Affected | โ |
| bookworm | Affected | โ |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | jupyter-server | <2.7.2 | 2.7.2 |
| PyPI | jupyter-server | <290362593b2ffb23c59f8114d76f77875de4b925||<2.7.2 | 290362593b2ffb23c59f8114d76f77875de4b925 |
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
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.