Improper access control in SensioLabs Symfony

1) Improper access control

EUVDB-ID: #VU35878

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-11365

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Certain Symfony products are affected by: Incorrect Access Control. This affects Symfony 2.7.30 and Symfony 2.8.23 and Symfony 3.2.10 and Symfony 3.3.3. The type of exploitation is: remote. The component is: Password validator.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Symfony: 2.7.30 - 3.3.3

CPE2.3

• cpe:2.3:a:sensiolabs:symfony:2.7.30:*:*:*:*:*:*:*
• cpe:2.3:a:sensiolabs:symfony:2.8.23:*:*:*:*:*:*:*
• cpe:2.3:a:sensiolabs:symfony:3.2.10:*:*:*:*:*:*:*

External links

https://github.com/symfony/symfony/commit/878198cefae028386c6dc800ccbf18f2b9cbff3f
https://github.com/symfony/symfony/pull/23507

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.