Arbitrary file upload in LifterLMS plugin for WordPress



Published: 2020-04-06
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-6008
CWE-ID CWE-434
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		LifterLMS
Web applications / Modules and components for CMS

Vendor LifterLMS

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Arbitrary file upload

EUVDB-ID: #VU26594

Risk: High

CVSSv3.1: 8.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-6008

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 files during file upload. A remote attacker can upload and execute arbitrary file on the server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

LifterLMS: 3.5.3 - 3.37.14

External links

http://wordpress.org/plugins/lifterlms/#developers
http://plugins.trac.wordpress.org/changeset/2271040/lifterlms
http://wpvulndb.com/vulnerabilities/10159/


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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