CVE-2023-39968

Open Redirect Vulnerability in jupyter-server

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.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.40%
Vendor Advisory github.com
Affected: jupyter-server jupyter_server
Published at:
Updated at:

References

Link Tags
https://github.com/jupyter-server/jupyter_server/security/advisories/GHSA-r726-vmfq-j9j3 vendor advisory
https://github.com/jupyter-server/jupyter_server/commit/290362593b2ffb23c59f8114d76f77875de4b925 patch
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XDKQAWQN6SQTOVACZNXYKEHWQXGG4DOF/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NRP7DNZYVOIA4ZB3U3ZWKTFZEPYWNGCQ/

Frequently Asked Questions

What is the severity of CVE-2023-39968?
CVE-2023-39968 has been scored as a medium severity vulnerability.
How to fix CVE-2023-39968?
To fix CVE-2023-39968, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-39968 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-39968 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-39968?
CVE-2023-39968 affects jupyter-server jupyter_server.
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