CVE-2022-25857 is a high-severity vulnerability affecting the org.yaml:snakeyaml package, specifically versions 0 to 1.31, and Debian Linux version 10.0. This vulnerability can lead to a Denial of Service (DoS) attack due to missing nested depth limitation for collections. It impacts various systems that use the affected package, potentially causing disruptions in service and affecting overall system performance.

How do I know if I'm affected?

If you're using the org.yaml:snakeyaml package in versions 0 to 1.31 or Debian Linux version 10.0, you might be affected by the vulnerability. This issue can lead to a Denial of Service (DoS) attack due to missing nested depth limitation for collections. It's important to be aware of this vulnerability and update your software to a secure version to avoid potential disruptions in service and system performance.

What should I do if I'm affected?

If you're affected by the vulnerability, it's crucial to update your software to a secure version. For org.yaml:snakeyaml package users, upgrade to version 1.31 or higher. Debian 10 buster users should update their snakeyaml packages to version 1.23-1+deb10u1. By doing so, you'll protect your system from potential Denial of Service (DoS) attacks and maintain system performance.

Is this in CISA’s Known Exploited Vulnerabilities Catalog?

The CVE-2022-25857 vulnerability is not listed in CISA's Known Exploited Vulnerabilities Catalog. This high-severity issue, known as Denial of Service (DoS) in org.yaml:snakeyaml, was added to the NVD on August 30, 2022. To address this vulnerability, it's necessary to update the org.yaml:snakeyaml package to version 1.31 or higher.

Weakness enumeration

The weakness enumeration for this vulnerability is categorized as CWE-776, is due to improper restriction of recursive entity references in DTDs. This issue affects org.yaml:snakeyaml package versions up to 1.31 and can lead to Denial of Service (DoS) attacks.

For more details

CVE-2022-25857 is a high-severity vulnerability affecting org.yaml:snakeyaml package versions up to 1.31 and Debian Linux version 10.0. To protect your system from potential Denial of Service (DoS) attacks, it's essential to update your software to a secure version. For a comprehensive understanding of this vulnerability, including its description, severity, technical details, and known affected software configurations, visit the NVD page or the links below.

• NVD - CVE-2022-25857

• Snyk Vulnerability Report

• SnakeYAML Commit on Bitbucket

• SnakeYAML Issue #525 on Bitbucket (1)

• Debian SnakeYAML Security Update