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THREATINT
PUBLISHED

CVE-2023-40028

Arbitrary file read via symlinks in Ghost



AssignerGitHub_M
Reserved2023-08-08
Published2023-08-15
Updated2024-10-02

Description

Ghost is an open source content management system. Versions prior to 5.59.1 are subject to a vulnerability which allows authenticated users to upload files that are symlinks. This can be exploited to perform an arbitrary file read of any file on the host operating system. Site administrators can check for exploitation of this issue by looking for unknown symlinks within Ghost's `content/` folder. Version 5.59.1 contains a fix for this issue. All users are advised to upgrade. There are no known workarounds for this vulnerability.



MEDIUM: 4.9CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Problem types

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Product status

< 5.59.1
affected

References

https://github.com/TryGhost/Ghost/security/advisories/GHSA-9c9v-w225-v5rg

https://github.com/TryGhost/Ghost/commit/690fbf3f7302ff3f77159c0795928bdd20f41205

cve.org CVE-2023-40028

nvd.nist.gov CVE-2023-40028

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