Arbitrary file upload in eClass LMS

1) Arbitrary file upload

EUVDB-ID: #VU48777

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload within the profile photo feature. A remote attacker can upload a malicious file and execute it on the server.

Mitigation

Vulnerable software versions

eClass: 2.6

External links

http://packetstormsecurity.com/files/160283
http://codecanyon.net/item/eclass-learning-management-system/25613271

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.