Code injection in nbgitpuller
CVE-2021-39160

9.6CRITICAL

Key Information:

Vendor

Jupyterhub

Status
Nbgitpuller
Vendor
CVE Published:
25 August 2021

What is CVE-2021-39160?

nbgitpuller is a Jupyter server extension to sync a git repository one-way to a local path. Due to unsanitized input, visiting maliciously crafted links could result in arbitrary code execution in the user environment. This has been resolved in version 0.10.2 and all users are advised to upgrade. No work around exist for users who can not upgrade.

Affected Version(s)

nbgitpuller >= 0.9.0, < 0.10.2

References

https://github.com/jupyterhub/nbgitpuller/security/adviso...
x_refsource_CONFIRM
https://github.com/jupyterhub/nbgitpuller/commit/07690644...
x_refsource_MISC
https://github.com/jupyterhub/nbgitpuller/blob/main/CHANG...
x_refsource_MISC

CVSS V3.1

Score:
9.6
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.