Remote code execution in Laravel

1) Code Injection

EUVDB-ID: #VU49661

Risk: High

CVSSv4.0: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2021-3129

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in Ignition. A remote attacker can send a specially crafted request to the application and read or write arbitrary files on the system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

laravel: 8.0.0 - 8.4.2

CPE2.3

• cpe:2.3:a:laravel:laravel:8.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:laravel:laravel:8.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:laravel:laravel:8.0.2:*:*:*:*:*:*:*

External links

https://www.ambionics.io/blog/laravel-debug-rce

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.