Improper input validation in Symfony

1) Input validation error

EUVDB-ID: #VU99963

Risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-50343

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote user to bypass security restrictions.

The vulnerability exists due to improper validation of single quote characters within the validator. A remote user can pass specially crafted input to the application and bypass certain security restrictions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Symfony: 5.0.0 - 7.1.3

CPE2.3

• cpe:2.3:a:sensiolabs:symfony:7.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:sensiolabs:symfony:7.0.10:*:*:*:*:*:*:*
• cpe:2.3:a:sensiolabs:symfony:7.1.2:*:*:*:*:*:*:*

External links

http://github.com/symfony/symfony/security/advisories/GHSA-g3rh-rrhp-jhh9

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.