omniauth-auth0 Gem 2.3.x/2.4.0 on Ruby JWT Token Signature Validation jwt_validator.verify improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in omniauth-auth0 Gem 2.3.x/2.4.0 on Ruby. Impacted is the function jwt_validator.verify of the component JWT Token Signature Validation. The manipulation results in improper authentication. This vulnerability is known as CVE-2020-15240. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in omniauth-auth0 Gem 2.3.x/2.4.0 on Ruby (Ruby Gem). It has been classified as critical. Affected is the function jwt_validator.verify of the component JWT Token Signature Validation. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 10/23/2020. The advisory is available at github.com. This vulnerability is traded as CVE-2020-15240. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

Upgrading to version 2.4.1 eliminates this vulnerability. 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

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 authentication
CWE: CWE-287
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: omniauth-auth0 Gem 2.4.1
Patch: github.com

Timelineinfo

06/25/2020 🔍
10/23/2020 +120 days 🔍
10/23/2020 +0 days 🔍
11/25/2020 +33 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-15240 (🔍)
GCVE (CVE): GCVE-0-2020-15240
GCVE (VulDB): GCVE-100-163410

Entryinfo

Created: 10/23/2020 07:40
Updated: 11/25/2020 19:07
Changes: 10/23/2020 07:40 (40), 11/25/2020 19:04 (3), 11/25/2020 19:07 (19)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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