PT-2019-18468 · Filechucker · Filechucker
Published
2019-01-31
·
Updated
2020-08-24
·
CVE-2019-7216
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
FileChucker version 4.99e-free-e02
Description
An issue was discovered that allows a malicious user to bypass filters and upload any type of file by using % characters within the extension. For example, a file named
file.%ph%p can be uploaded as file.php.Recommendations
For FileChucker version 4.99e-free-e02, consider restricting the upload functionality to prevent exploitation until a fix is available. As a temporary workaround, validate file extensions more strictly to prevent bypassing filters using % characters.
Exploit
Fix
Found an issue in the description? Have something to add? Feel free to write us 👾
Related Identifiers
Affected Products
Filechucker