Vulnerability identifier: #VU99967

Vulnerability risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-50340

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Symfony
Web applications / CMS

Vendor: SensioLabs

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient validation of user-supplied input with enabled register_argv_argc PHP directive. A remote attacker can pass specially crafted URL to the application and manipulate current PHP environment.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Symfony: 5.0.0 - 7.1.6

---

External links
http://github.com/symfony/symfony/security/advisories/GHSA-x8vp-gf4q-mw5j

---

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.