CVE-2022-21707 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2022-21707, highlighting the Incorrect Authorization vulnerability in wasmCloud Host Runtime and its impact, along with mitigation strategies.

Understanding CVE-2022-21707

This section delves into the specifics of the vulnerability and its implications.

What is CVE-2022-21707?

CVE-2022-21707 represents an Incorrect Authorization vulnerability in wasmCloud Host Runtime, allowing actors to bypass capability authorization, exposing the system to unauthorized invocations.

The Impact of CVE-2022-21707

The impact of this vulnerability includes compromising the security model for actors, enabling them to receive unauthorized invocations from linked capability providers.

Technical Details of CVE-2022-21707

This section provides technical insights into the vulnerability.

Vulnerability Description

In versions prior to 0.52.2, actor capability claims are not verified upon receiving invocations, leading to unauthorized actor invocations.

Affected Systems and Versions

The affected product is wasmcloud-otp by wasmCloud, specifically versions less than 0.52.2.

Exploitation Mechanism

Actors can bypass capability authorization, receiving unauthorized invocations from linked capability providers.

Mitigation and Prevention

This section outlines steps to mitigate and prevent the exploitation of CVE-2022-21707.

Immediate Steps to Take

Users are advised to upgrade to wasmCloud version 0.52.2 or later to patch the vulnerability.

Long-Term Security Practices

Implement strict capability verification mechanisms to prevent unauthorized invocations in the future.

Patching and Updates

Upgrade to wasmCloud version 0.52.2 or greater to address the vulnerability.