tryghost/ghost · Security
Ghost vulnerable to arbitrary file read via symlinks in content import
- GHSA ID
- GHSA-9c9v-w225-v5rg
- CVE ID
- CVE-2023-40028
- Severity
- medium
- Published
- Updated
- CVSS
- 4.9 · CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- CVSS v3
- 4.9 · CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Description
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 [email protected]
CWEs
- CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
- CWE-59 · Improper Link Resolution Before File Access ('Link Following')