Clerk <= 3.8.2 - Authorization Bypass via Insufficient Validation

2022-11-10 00:00

Francesco Carlucci

Strategic Overview

Status

Patched in 3.8.3

Affected PluginClerk

Affected Version<= 3.8.2

CVSS5.6Medium

CVECVE-2022-3907

View all Clerk vulnerabilities

Vulnerability Overview

The Clerk plugin for WordPress is vulnerable to Authorization Bypass via Insufficient Validation in versions up to, and including, 3.8.2. This is due to the validation function for all API requests using comparison operators to verify API keys against those stored in the site options. This leaves the API request validation vulnerable to time-based attacks. This makes it possible for unauthenticated attackers to potentially bypass API validation or to discover API keys.

Technical Analysis

REMEDIATION: Update to version 3.8.3, or a newer patched version --- IDENTIFIER: CWE-639 (Authorization Bypass Through User-Controlled Key) The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

External References

https://www.cve.org/CVERecord?id=CVE-2022-3907 https://www.wordfence.com/threat-intel/vulnerabilities/id/c929a742-6481-40a0-94b5-76ddb8494896

CVSS Vector

5.6

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

Base

Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityLow
IntegrityLow
AvailabilityLow

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