Arbitrary file upload in Verot class.upload.php



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-19576
CWE-ID CWE-434
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 class.upload.php
Web applications / Modules and components for CMS

Vendor Colin Verot

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Arbitrary file upload

EUVDB-ID: #VU23560

Risk: High

CVSSv4.0: 8.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2019-19576

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file uploads in "class.upload.php" in "verot.net". A remote attacker can upload and execute arbitrary file on the server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

class.upload.php: 1.0.0 - 2.0.3

CPE2.3 External links

https://github.com/getk2/k2/commit/d1344706c4b74c2ae7659b286b5a066117155124
https://github.com/jra89/CVE-2019-19576
https://github.com/verot/class.upload.php/commit/5a7505ddec956fdc9e9c071ae5089865559174f1
https://github.com/verot/class.upload.php/commit/db1b4fe50c1754696970d8b437f07e7b94a7ebf2
https://github.com/verot/class.upload.php/compare/1.0.2...1.0.3
https://github.com/verot/class.upload.php/compare/2.0.3...2.0.
https://www.verot.net/php_class_upload.htm


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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