#VU99615 Information disclosure in Jupyter Server - CVE-2024-35178

Vulnerability identifier: #VU99615

Vulnerability risk: High

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-35178

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Jupyter Server
Server applications / Other server solutions

Vendor: Jupyter

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the application exposes the NTLMv2 password hash of the Windows user running. A remote attacker can obtain the hash and use it to compromise the affected system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Jupyter Server: 0.0.1 - 2.14.0

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External links
https://github.com/jupyter-server/jupyter_server/security/advisories/GHSA-hrw6-wg82-cm62
https://github.com/jupyter-server/jupyter_server/commit/79fbf801c5908f4d1d9bc90004b74cfaaeeed2df

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.