Auth0 up to 6.5.3 Access Control IdentityTokenValidator improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Auth0 up to 6.5.3. It has been declared as critical. This affects the function IdentityTokenValidator of the component Access Control. Such manipulation leads to improper authentication. This vulnerability is documented as CVE-2019-16929. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Auth0 up to 6.5.3. Affected by this issue is the function IdentityTokenValidator of the component Access Control. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Auth0 auth0.net before 6.5.4 has Incorrect Access Control because IdentityTokenValidator can be accidentally used to validate untrusted ID tokens.

The weakness was released 10/08/2019 (Website). The advisory is shared for download at auth0.com. This vulnerability is handled as CVE-2019-16929 since 09/27/2019. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

Upgrading to version 6.5.4 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

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

NVD Base Score: 7.5
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: Auth0 6.5.4

Timelineinfo

09/27/2019 🔍
10/08/2019 +11 days 🔍
10/09/2019 +1 days 🔍
09/28/2020 +355 days 🔍

Sourcesinfo

Advisory: auth0.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-16929 (🔍)
GCVE (CVE): GCVE-0-2019-16929
GCVE (VulDB): GCVE-100-143156

Entryinfo

Created: 10/09/2019 15:50
Updated: 09/28/2020 10:58
Changes: 10/09/2019 15:50 (56), 09/28/2020 10:58 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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