CVE-2023-5965: Unrestricted Upload of File with Dangerous Type in EspoCRM
First published: Thu Nov 30 2023(Updated: )
An authenticated privileged attacker could upload a specially crafted zip to the EspoCRM server in version 7.2.5, via the update form, which could lead to arbitrary PHP code execution.
Credit: cve-coordination@incibe.es
| Affected Software | Affected Version | How to fix |
|---|---|---|
| EspoCRM | <=7.5.2 |
Remedy
Users with administrator profile can load extensions and updates by design, as this is a functionality that most users use and request. It is possible to restrict exploitation of the vulnerability by enabling the "restrictedMode" option in the configuration menu.
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Frequently Asked Questions
What is CVE-2023-5965?
CVE-2023-5965 is a vulnerability in EspoCRM that allows an authenticated attacker to upload a malicious zip file, potentially leading to arbitrary PHP code execution.
What is the severity of CVE-2023-5965?
CVE-2023-5965 has a severity rating of 9.1 (critical).
How does CVE-2023-5965 affect EspoCRM?
CVE-2023-5965 affects EspoCRM version 7.2.5 up to and including 7.5.2.
How can an attacker exploit CVE-2023-5965?
An authenticated attacker can exploit CVE-2023-5965 by uploading a specially crafted zip file via the update form in EspoCRM.
Is there a fix for CVE-2023-5965?
Yes, upgrading EspoCRM to a version beyond 7.5.2 will fix the vulnerability.
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