CVE-2024-55636: Drupal Core Gadget Chain Vulnerability Leading to Potential Remote Code Execution
Summary
CVE-2024-55636: Drupal core - Less critical - Gadget chain - SA-CORE-2024-006. Affects drupal across 2 version ranges.
>= 8.0.0, < 10.3.9
>= 11.0.0, < 11.0.8
Fixed in 10.3.9 or 11.0.8, depending on the release line you run. How to fix ↓
Also tracked for
- drupal/core · Packagist
- drupal/core · Packagist
The same CVE-2024-55636 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.
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Background
Drupal is a widely-used open-source content management system (CMS) that enables users to create and manage websites easily. It is known for its flexibility, scalability, and robust community support. However, like any software, Drupal is susceptible to vulnerabilities that can compromise its security. The specific vulnerability in question is related to insecure deserialization, which can lead to object injection and potentially remote code execution if exploited.
Vulnerability Detail
The vulnerability arises from a deserialization of untrusted data in Drupal Core, affecting versions from 8.0.0 before 10.2.11, from 10.3.0 before 10.3.9, and from 11.0.0 before 11.0.8. This issue allows for a gadget chain exploitation, which, while not directly threatening, can serve as a vector for remote code execution if the application deserializes untrusted data due to another existing vulnerability. The presence of this gadget chain means that if an attacker can manipulate the deserialization process, they could potentially execute arbitrary code on the server.
How To Fix
Fixed versions by release line
The minimum fixed version depends on the release line you run.
-
>= 8.0.0, < 10.3.910.3.9 -
>= 11.0.0, < 11.0.811.0.8
Tip — Not sure which release line you're on? Vulert can find the fix for the version you are using. Scan free →
Workaround
As a temporary measure, it is advisable to restrict access to the deserialization functionality and ensure that untrusted data is not processed. This can be done by implementing strict input validation and sanitization practices.
Conclusion
The CVE-2024-55636 vulnerability in Drupal Core poses a significant risk due to its potential for remote code execution through insecure deserialization. Users are strongly advised to update their installations to the latest patched versions and implement best practices for input validation to safeguard their applications.
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FAQ
The vulnerability is related to insecure deserialization in Drupal Core, which can lead to object injection and potential remote code execution.
The affected versions are Drupal Core from 8.0.0 before 10.2.11, from 10.3.0 before 10.3.9, and from 11.0.0 before 11.0.8.
You can use Vulert, which monitors open-source vulnerabilities in your software. You can check your application against this vulnerability using the Vulert playground at Vulert Scanner without any signup.
Ensure you update your Drupal installation to the latest patched version and implement strict input validation to mitigate risks.
While the gadget chain presents no direct threat, it is a potential vector for remote code execution, making it crucial to address the vulnerability promptly.
References
Related vulnerabilities
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