CVE-2020-5237 Relative Path Traversal in oneup/uploader-bundle
Remote attackers can exploit relative path traversal to upload, copy, or modify files, potentially leading to arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-5237?
CVE-2020-5237 is a high-severity path traversal vulnerability in 1up-lab oneup/uploader-bundle, published on 5 Feb 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Multiple relative path traversal vulnerabilities in the oneup/uploader-bundle before 1.9.3 and 2.1.5 allow remote attackers to upload, copy, and modify files on the filesystem (potentially leading to arbitrary code execution) via the (1) filename parameter to BlueimpController.php; the (2) dzchunkindex, (3) dzuuid, or (4) filename parameter to DropzoneController.php; the (5) qqpartindex, (6) qqfilename, or (7) qquuid parameter to FineUploaderController.php; the (8) x-file-id or (9) x-file-name parameter to MooUploadController.php; or the (10) name or (11) chunk parameter to PluploadController.php. This is fixed in versions 1.9.3 and 2.1.5.
Which versions are affected by CVE-2020-5237?
4 open source packages ship an affected version, including oneup/uploader-bundle. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
oneup/uploader-bundle Packagist | From 1.0.0 | 1.9.3 |
oneup/uploader-bundle Packagist | From 1.0.0 | 1.9.3 |
oneup/uploader-bundle Packagist | From 2.0.0 | 2.1.5 |
oneup/uploader-bundle Packagist | From 2.0.0 | 2.1.5 |
Products include 1up Oneupuploaderbundle.
How do I fix CVE-2020-5237?
Upgrade oneup/uploader-bundle to a fixed version for your release line: 1.9.3 or 2.1.5.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2020-5237 being exploited?
There is no known exploitation of CVE-2020-5237 in the wild and no public exploit code.
Sources
Also known as GHSA-x8wj-6m73-gfqp.