CVE-2022-21708 : Security Advisory and Response

A DoS vulnerability in graphql-go versions prior to 1.3.0 allows attackers to trigger stack overflow panics through specially crafted queries, potentially compromising server data availability. Learn about the impact, technical details, and mitigation steps for CVE-2022-21708.

Understanding CVE-2022-21708

graphql-go, a GraphQL server emphasizing usability, is affected by a DoS vulnerability in versions below 1.3.0 due to a bug, allowing malicious queries to exhaust stack space and disrupt server operations.

What is CVE-2022-21708?

In graphql-go versions before 1.3.0, a flaw enables attackers to exploit a bug, inducing stack overflow panics via tailored queries. Such attacks can disrupt server functionality and data delivery.

The Impact of CVE-2022-21708

With a CVSS base score of 6.5 (Medium Severity), this vulnerability poses a high availability impact. By sending malicious queries, attackers can trigger stack overflow errors, hampering the server's ability to provide data to users.

Technical Details of CVE-2022-21708

Vulnerability Description

The vulnerability in graphql-go (versions < 1.3.0) stems from a bug allowing attackers to cause stack overflow panics, affecting the server's data-serving capabilities.

Affected Systems and Versions

Users of graphql-go versions prior to 1.3.0 are susceptible to the DoS vulnerability, making it crucial to update to version 1.3.0 to mitigate the risk.

Exploitation Mechanism

Attackers exploit the bug in graphql-go by crafting specific queries to trigger stack overflow panics, impacting the server's ability to handle data requests.

Mitigation and Prevention

To safeguard systems against CVE-2022-21708, immediate actions and long-term security measures are recommended.

Immediate Steps to Take

Update graphql-go to version 1.3.0 to apply the security patch.
Disable the graphql.MaxDepth option from your schema to mitigate the vulnerability temporarily.

Long-Term Security Practices

Implement regular security updates and maintain a robust incident response plan to address potential vulnerabilities promptly.

Patching and Updates

Stay informed about security advisories and commit updates from graph-gophers to address vulnerabilities and enhance system security.