VDB-115812 · CVE-2018-6873 · BID 103695

Auth0 JWT Audience Validator access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Auth0 and classified as critical. This issue affects some unknown processing of the component JWT Audience Validator. The manipulation results in access control. This vulnerability is reported as CVE-2018-6873. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Auth0 (the affected version is unknown). Affected is an unknown code of the component JWT Audience Validator. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The Auth0 authentication service before 2017-10-15 allows privilege escalation because the JWT audience is not validated.

The bug was discovered 04/04/2018. The weakness was disclosed 04/04/2018 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2018-6873 since 02/09/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 103695†). The entry VDB-115813 is pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

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

NVD Base Score: 9.8
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: Access control
CWE: CWE-284 / 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: 🔍

Timelineinfo

10/15/2017 🔍
02/09/2018 +117 days 🔍
04/04/2018 +54 days 🔍
04/04/2018 +0 days 🔍
04/04/2018 +0 days 🔍
04/04/2018 +0 days 🔍
04/05/2018 +1 days 🔍
01/22/2020 +657 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2018-6873 (🔍)
GCVE (CVE): GCVE-0-2018-6873
GCVE (VulDB): GCVE-100-115812
SecurityFocus: 103695 - Multiple Auth0 Libraries Cross-Site Request Forgery and Authentication Bypass Vulnerabilities

See also: 🔍

Entryinfo

Created: 04/05/2018 10:32
Updated: 01/22/2020 10:24
Changes: 04/05/2018 10:32 (58), 01/22/2020 10:24 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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