CVE-2023-40028: Arbitrary file read via symlinks in Ghost
First published: Tue Aug 15 2023(Updated: )
### Impact A vulnerability in Ghost allows authenticated users to upload files which are symlinks. This can be exploited to perform an arbitrary file read of any file on the operating system. Site administrators can check for exploitation of this issue by looking for unknown symlinks within Ghost's `content/` folder ### Vulnerable versions This security vulnerability is present in Ghost ≤ v5.59.0. ### Patches v5.59.1 contains a fix for this issue. ### For more information If you have any questions or comments about this advisory: * Email us at [security@ghost.org](mailto:security@ghost.org)
Credit: security-advisories@github.com security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| npm/ghost | <5.59.1 | 5.59.1 |
| Ghost Ghost Node.js | <5.59.1 |
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Reference Links
Frequently Asked Questions
What is the impact of CVE-2023-40028 vulnerability?
The vulnerability allows authenticated users to upload files that are symlinks, leading to an arbitrary file read of any file on the operating system.
How can I check if my Ghost site is being exploited?
You can check for unknown symlinks within your Ghost site.
What is the severity rating of CVE-2023-40028 vulnerability?
The severity rating of this vulnerability is medium, with a CVSS score of 6.5.
How do I fix the CVE-2023-40028 vulnerability?
Update your Ghost installation to version 5.59.1 or higher.
What is the Common Weakness Enumeration (CWE) ID for CVE-2023-40028 vulnerability?
The CWE IDs associated with this vulnerability are CWE-22 and CWE-59.
- collector/github-advisory-latest
- alias/GHSA-9c9v-w225-v5rg
- alias/CVE-2023-40028
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