oauthenticator 0.12.0 on JupyterHub Whitelist improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in oauthenticator 0.12.0 on JupyterHub. Affected by this issue is some unknown functionality of the component Whitelist Handler. Executing a manipulation can lead to improper authorization. This vulnerability is handled as CVE-2020-26250. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in oauthenticator 0.12.0 on JupyterHub and classified as problematic. This vulnerability affects some unknown functionality of the component Whitelist Handler. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality.

The weakness was released 12/02/2020. The advisory is shared for download at github.com. This vulnerability was named CVE-2020-26250. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1548.002.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: github.com
Patch: github.com

Timelineinfo

10/01/2020 🔍
12/02/2020 +62 days 🔍
12/02/2020 +0 days 🔍
12/11/2020 +9 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-26250 (🔍)
GCVE (CVE): GCVE-0-2020-26250
GCVE (VulDB): GCVE-100-165496

Entryinfo

Created: 12/02/2020 07:28
Updated: 12/11/2020 21:27
Changes: 12/02/2020 07:28 (21), 12/02/2020 07:29 (18), 12/11/2020 21:24 (6), 12/11/2020 21:27 (8)
Complete: 🔍
Cache ID: 216::103

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