CVE-2022-41854 (Medium) Detected In Snakeyaml-1.29.jar

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CVE-2022-41854 (Medium) Detected in Snakeyaml-1.29.jar: A Critical Vulnerability in Java Libraries

Introduction

In the world of software development, vulnerabilities in libraries can have far-reaching consequences. One such vulnerability, CVE-2022-41854, has been detected in the Snakeyaml-1.29.jar library, which is used for parsing YAML files in Java applications. In this article, we will delve into the details of this vulnerability, its impact, and the suggested fix to ensure the security of your applications.

CVE-2022-41854: A Medium Severity Vulnerability

CVE-2022-41854 is a medium severity vulnerability that affects the Snakeyaml-1.29.jar library. This vulnerability can be exploited by attackers to cause a Denial of Service (DOS) attack by crashing the parser with a stack overflow. The vulnerability occurs when the parser is used to parse untrusted YAML files, allowing an attacker to supply malicious content that can cause the parser to crash.

Vulnerable Library - Snakeyaml-1.29.jar

The Snakeyaml-1.29.jar library is a YAML 1.1 parser and emitter for Java. It is used to parse and generate YAML files in Java applications. The library is widely used in various projects, including Spring Boot applications.

Dependency Hierarchy

The Snakeyaml-1.29.jar library is a part of the Spring Boot Starter Validation library, which is a dependency of the Spring Boot Starter library. The dependency hierarchy is as follows:

  • Spring Boot Starter Validation-2.6.6.jar (Root Library)
    • Spring Boot Starter-2.6.6.jar
      • Snakeyaml-1.29.jar (Vulnerable Library)

Found in HEAD Commit

The CVE-2022-41854 vulnerability was found in the HEAD commit of the SAST-Test-Repo-69eec189-e884-4d21-b129-b76430e30c97 repository. The commit hash is b19938a045bfea1defab9c2a9a22e57af023d02a.

Found in Base Branch

The vulnerability was also found in the main branch of the repository.

Vulnerability Details

Vulnerability Details

The CVE-2022-41854 vulnerability can be exploited by attackers to cause a Denial of Service (DOS) attack by crashing the parser with a stack overflow. This effect may support a denial of service attack.

Publish Date

The vulnerability was published on November 11, 2022.

URL

The vulnerability can be found on the Mend.io vulnerability database at https://www.mend.io/vulnerability-database/CVE-2022-41854.

CVSS 3 Score Details

CVSS 3 Score Details (5.8)

The CVE-2022-41854 vulnerability has a CVSS 3 score of 5.8, which indicates a medium severity vulnerability.

Base Score Metrics

The base score metrics for the CVE-2022-41854 vulnerability are as follows:

  • Exploitability Metrics:
    • Attack Vector: Network
    • Attack Complexity: High
    • Privileges Required: Low
    • User Interaction: Required
    • Scope: Changed
  • Impact Metrics:
    • Confidentiality Impact: None
    • Integrity Impact: None
    • Availability: High

Suggested Fix

Suggested Fix

The suggested fix for the CVE-2022-41854 vulnerability is to upgrade the Snakeyaml library to version 1.32 or later. The direct dependency fix resolution for the Spring Boot Starter Validation library is to upgrade to version 3.0.0 or later.

Type

The suggested fix is a type of upgrade version.

Origin

The suggested fix was originated from the Snakeyaml issue tracker at https://bitbucket.org/snakeyaml/snakeyaml/issues/531/.

Release Date

The suggested fix was released on November 11, 2022.

Fix Resolution

The fix resolution for the Snakeyaml library is version 1.32 or later. The direct dependency fix resolution for the Spring Boot Starter Validation library is version 3.0.0 or later.

Conclusion

In conclusion, the CVE-2022-41854 vulnerability in the Snakeyaml-1.29.jar library is a critical vulnerability that can be exploited by attackers to cause a Denial of Service (DOS) attack. The suggested fix is to upgrade the Snakeyaml library to version 1.32 or later, and the direct dependency fix resolution for the Spring Boot Starter Validation library is to upgrade to version 3.0.0 or later. It is essential to apply the suggested fix to ensure the security of your applications.

Remediation

To remediate this vulnerability, follow these steps:

  1. Identify the affected library: Check if the Snakeyaml-1.29.jar library is used in your application.
  2. Upgrade the library: Upgrade the Snakeyaml library to version 1.32 or later.
  3. Upgrade the direct dependency: Upgrade the Spring Boot Starter Validation library to version 3.0.0 or later.
  4. Verify the fix: Verify that the vulnerability has been fixed by re-scanning the application.

By following these steps, you can ensure the security of your applications and prevent potential Denial of Service (DOS) attacks.
CVE-2022-41854 (Medium) Detected in Snakeyaml-1.29.jar: A Critical Vulnerability in Java Libraries - Q&A

Introduction

In our previous article, we discussed the CVE-2022-41854 vulnerability in the Snakeyaml-1.29.jar library, which is used for parsing YAML files in Java applications. In this article, we will answer some frequently asked questions (FAQs) related to this vulnerability.

Q&A

Q1: What is the CVE-2022-41854 vulnerability?

A1: The CVE-2022-41854 vulnerability is a medium severity vulnerability that affects the Snakeyaml-1.29.jar library. This vulnerability can be exploited by attackers to cause a Denial of Service (DOS) attack by crashing the parser with a stack overflow.

Q2: What is the impact of the CVE-2022-41854 vulnerability?

A2: The CVE-2022-41854 vulnerability can be exploited by attackers to cause a Denial of Service (DOS) attack by crashing the parser with a stack overflow. This effect may support a denial of service attack.

Q3: What is the CVSS 3 score of the CVE-2022-41854 vulnerability?

A3: The CVE-2022-41854 vulnerability has a CVSS 3 score of 5.8, which indicates a medium severity vulnerability.

Q4: What is the suggested fix for the CVE-2022-41854 vulnerability?

A4: The suggested fix for the CVE-2022-41854 vulnerability is to upgrade the Snakeyaml library to version 1.32 or later. The direct dependency fix resolution for the Spring Boot Starter Validation library is to upgrade to version 3.0.0 or later.

Q5: How can I identify if my application is affected by the CVE-2022-41854 vulnerability?

A5: To identify if your application is affected by the CVE-2022-41854 vulnerability, you can use a vulnerability scanner or manually check the dependencies of your application. If you are using the Snakeyaml-1.29.jar library, you are likely affected by this vulnerability.

Q6: What are the consequences of not applying the suggested fix?

A6: If you do not apply the suggested fix, your application may be vulnerable to Denial of Service (DOS) attacks, which can cause your application to crash or become unresponsive.

Q7: How can I apply the suggested fix?

A7: To apply the suggested fix, you can follow these steps:

  1. Identify the affected library: Check if the Snakeyaml-1.29.jar library is used in your application.
  2. Upgrade the library: Upgrade the Snakeyaml library to version 1.32 or later.
  3. Upgrade the direct dependency: Upgrade the Spring Boot Starter Validation library to version 3.0.0 or later.
  4. Verify the fix: Verify that the vulnerability has been fixed by re-scanning the application.

Q8: Can I use a different YAML library instead of Snakeyaml?

A8: Yes, you can use a different YAML library instead of Snakeyaml. However, you should ensure that the new library is not vulnerable to the same issue.

Q9: How often should I update my dependencies to ensure my application is secure?

A9: It is to update your dependencies regularly to ensure your application is secure. You can use a vulnerability scanner or manually check the dependencies of your application to identify any potential vulnerabilities.

Q10: Where can I find more information about the CVE-2022-41854 vulnerability?

A10: You can find more information about the CVE-2022-41854 vulnerability on the Mend.io vulnerability database at https://www.mend.io/vulnerability-database/CVE-2022-41854.

Conclusion

In conclusion, the CVE-2022-41854 vulnerability in the Snakeyaml-1.29.jar library is a critical vulnerability that can be exploited by attackers to cause a Denial of Service (DOS) attack. It is essential to apply the suggested fix to ensure the security of your applications. We hope this Q&A article has provided you with the information you need to address this vulnerability.