Improper access control in Jupyter Server - CVE-2023-40170
Published: August 29, 2023
Vulnerability identifier: #VU80088
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-40170
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Jupyter Server
Jupyter Server
Software vendor:
Jupyter
Jupyter
Description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper cross-site credential checks on "/files/" URLs. A remote attacker can gain access to certain file contents, or access files when opening untrusted files via "Open image in new tab".
Remediation
Install updates from vendor's website.