CVE-2020-26261

Description

jupyterhub-systemdspawner enables JupyterHub to spawn single-user notebook servers using systemd. In jupyterhub-systemdspawner before version 0.15 user API tokens issued to single-user servers are specified in the environment of systemd units. These tokens are incorrectly accessible to all users. In particular, the-littlest-jupyterhub is affected, which uses systemdspawner by default. This is patched in jupyterhub-systemdspawner v0.15

Risk Information

Base Score

7.9

MODERATE

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

EPSS Score

Exploitation Probability

0.162

Associated Vulnerability

Vulnerability	OS Platform
Multiple Vulnerabilities are affected in IBM Cognos Analytics 11.2.4	Windows
Multiple Vulnerabilities are affected in IBM Cognos Analytics 12.0.3	Windows
Vulnerabilities CVE-2020-26261 are fixed in Python-jupyterhub-systemdspawner 0.15.0	Windows
Vulnerabilities CVE-2020-26261 are fixed in Python-jupyterhub-systemdspawner for linux 0.15.0	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234