CVE-2022-27139: Arbitrary File Upload in Ghost
Summary
CVE-2022-27139: Arbitrary file upload in Ghost. Affects ghost versions < 4.39.0. No fix is published. How to fix ↓
Also tracked for
- ghost · Bitnami
The same CVE-2022-27139 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
Ghost is an open-source content management system (CMS) designed for creating and managing websites. It provides a user-friendly interface for content creation and publishing. The vulnerability identified as CVE-2022-27139 affects Ghost version 4.39.0. This version includes a file upload module that allows users to upload files to the CMS. However, due to a flaw in the module, an attacker can exploit this vulnerability to upload a crafted SVG file, leading to the execution of arbitrary code.
Vulnerability Detail
The arbitrary file upload vulnerability in Ghost v4.39.0 allows attackers to upload a specially crafted SVG file, which can be used to execute arbitrary code. This can result in various consequences, such as remote code execution, data theft, or unauthorized access to the affected system. The vulnerability has a CVSS score of 9.8, indicating its critical severity. The vulnerability is classified under CWE-434.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users can disable the file upload functionality in Ghost until the patch is applied. This can be done by modifying the configuration settings or by restricting access to the file upload module. However, it is strongly advised to apply the official patch as soon as possible to fully mitigate the vulnerability.
Conclusion
The arbitrary file upload vulnerability in Ghost v4.39.0 poses a significant risk to the security of affected systems. It is crucial for users to update their installations to the latest version that includes a patch for the vulnerability. Regularly updating the CMS and applying security patches is essential to mitigate the risk of such vulnerabilities. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
Ghost is an open-source content management system (CMS) used for creating and managing websites.
The vulnerability allows attackers to upload a crafted SVG file, potentially leading to the execution of arbitrary code and various consequences such as remote code execution, data theft, or unauthorized access.
To fix this vulnerability, it is recommended to upgrade Ghost to the latest version that includes a patch for the issue.
As a temporary workaround, users can disable the file upload functionality in Ghost until the patch is applied.
The vulnerability has a CVSS score of 9.8, indicating its critical severity.
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