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CVE-2023-49080

3.5 · LOW

The Jupyter Server provides the backend (i.e.

Published Dec 4, 2023CWE-209EPSS 0.84%

Overview

CVE-2023-49080 is a low-severity vulnerability. It was published on December 4, 2023 and has a CVSS 3.1 base score of 3.5 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.5, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The Jupyter Server provides the backend (i.e. the core services, APIs, and REST endpoints) for Jupyter web applications like Jupyter notebook, JupyterLab, and Voila. Unhandled errors in API requests coming from an authenticated user include traceback information, which can include path information. There is no known mechanism by which to trigger these errors without authentication, so the paths revealed are not considered particularly sensitive, given that the requesting user has arbitrary execution permissions already in the same environment. A fix has been introduced in commit `0056c3aa52` which no longer includes traceback information in JSON error responses. For compatibility, the traceback field is present, but always empty. This commit has been included in version 2.11.2. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/jupyter-server/jupyter_server/commit/0056c3aa52cbb28b263a7a609ae5f17618b36652GitHubgithub.com/jupyter-server/jupyter_server/security/advisories/GHSA-h56g-gq9v-vc8rReflists.fedoraproject.org/archives/list/[email protected]/message/62LO7PPIAMLIDEKUOORXLHKLGA6QPL77/Reflists.fedoraproject.org/archives/list/[email protected]/message/FG2JWZI5KPUYMDPS53AIFTZJWZD3IT6I/GitHubgithub.com/jupyter-server/jupyter_server/commit/0056c3aa52cbb28b263a7a609ae5f17618b36652GitHubgithub.com/jupyter-server/jupyter_server/security/advisories/GHSA-h56g-gq9v-vc8rReflists.fedoraproject.org/archives/list/[email protected]/message/62LO7PPIAMLIDEKUOORXLHKLGA6QPL77/Reflists.fedoraproject.org/archives/list/[email protected]/message/FG2JWZI5KPUYMDPS53AIFTZJWZD3IT6I/

How CyberStrike helps

Frequently asked questions

What is CVE-2023-49080?

CVE-2023-49080 is a low-severity vulnerability. It was published on December 4, 2023 and has a CVSS 3.1 base score of 3.5 (LOW).

How severe is CVE-2023-49080?

This vulnerability has a CVSS 3.1 base score of 3.5, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-49080?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-49080?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-49080 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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