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MitreCVE-2018-7206

HistoryFeb 18, 2018 - 3:29 a.m.

CVE-2018-7206

2018-02-1803:29:00

mitre

web.nvd.nist.gov

cve-2018-7206

project jupyter

jupyterhub oauthenticator

gitlab

group whitelisting

access control

security vulnerability

nvd

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.002

Percentile

56.2%

JSON

An issue was discovered in Project Jupyter JupyterHub OAuthenticator 0.6.x before 0.6.2 and 0.7.x before 0.7.3. When using JupyterHub with GitLab group whitelisting for access control, group membership was not checked correctly, allowing members not in the whitelisted groups to create accounts on the Hub. (Users were not allowed to access other users’ accounts, but could create their own accounts on the Hub linked to their GitLab account. GitLab authentication not using gitlab_group_whitelist is unaffected. No other Authenticators are affected.)

Affected configurations

Nvd

Node

jupyteroauthenticatorMatch0.6.0

jupyteroauthenticatorMatch0.6.1

jupyteroauthenticatorMatch0.7.0

jupyteroauthenticatorMatch0.7.1

jupyteroauthenticatorMatch0.7.2

VendorProductVersionCPE
jupyteroauthenticator0.6.0cpe:2.3:a:jupyter:oauthenticator:0.6.0:*:*:*:*:*:*:*
jupyteroauthenticator0.6.1cpe:2.3:a:jupyter:oauthenticator:0.6.1:*:*:*:*:*:*:*
jupyteroauthenticator0.7.0cpe:2.3:a:jupyter:oauthenticator:0.7.0:*:*:*:*:*:*:*
jupyteroauthenticator0.7.1cpe:2.3:a:jupyter:oauthenticator:0.7.1:*:*:*:*:*:*:*
jupyteroauthenticator0.7.2cpe:2.3:a:jupyter:oauthenticator:0.7.2:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
jupyter	oauthenticator	0.6.0	cpe:2.3:a:jupyter:oauthenticator:0.6.0:::::::*
jupyter	oauthenticator	0.6.1	cpe:2.3:a:jupyter:oauthenticator:0.6.1:::::::*
jupyter	oauthenticator	0.7.0	cpe:2.3:a:jupyter:oauthenticator:0.7.0:::::::*
jupyter	oauthenticator	0.7.1	cpe:2.3:a:jupyter:oauthenticator:0.7.1:::::::*
jupyter	oauthenticator	0.7.2	cpe:2.3:a:jupyter:oauthenticator:0.7.2:::::::*

References

blog.jupyter.org/security-fix-for-jupyterhub-gitlab-oauthenticator-7b14571d1f76

github.com/jupyterhub/oauthenticator/blob/8499dc2/CHANGELOG.md#073---2018-02-16

github.com/jupyterhub/oauthenticator/commit/1845c0e4b1bff3462c91c3108c85205acd3c75a2

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.002

Percentile

56.2%

JSON

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