CVE-2019-8943: Path Traversal
First published: Wed Feb 20 2019(Updated: )
WordPress through 5.0.3 allows Path Traversal in wp_crop_image(). An attacker (who has privileges to crop an image) can write the output image to an arbitrary directory via a filename containing two image extensions and ../ sequences, such as a filename ending with the .jpg?/../../file.jpg substring.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| WordPress | <=5.0.3 |
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Reference Links
- http://packetstormsecurity.com/files/152396/WordPress-5.0.0-crop-image-Shell-Upload.html
- http://packetstormsecurity.com/files/161213/WordPress-5.0.0-Remote-Code-Execution.html
- http://www.rapid7.com/db/modules/exploit/multi/http/wp_crop_rce
- http://www.securityfocus.com/bid/107089
- https://blog.ripstech.com/2019/wordpress-image-remote-code-execution/
- https://www.exploit-db.com/exploits/46511/
- https://www.exploit-db.com/exploits/46662/
Frequently Asked Questions
What is the severity of CVE-2019-8943?
CVE-2019-8943 has a medium severity rating due to the potential for an attacker with image cropping privileges to exploit the vulnerability.
How do I fix CVE-2019-8943?
To fix CVE-2019-8943, update WordPress to version 5.0.4 or later, which addresses this vulnerability.
What type of vulnerability is CVE-2019-8943?
CVE-2019-8943 is a Path Traversal vulnerability that affects the wp_crop_image() function in WordPress.
Who can exploit CVE-2019-8943?
An attacker who has privileges to crop an image in WordPress can exploit CVE-2019-8943.
What can an attacker do with CVE-2019-8943?
An attacker can write the output image to an arbitrary directory using a crafted filename that includes path traversal sequences.
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