Vulnerability identifier: #VU40585

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-2015-8125

CWE-ID: CWE-352

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Symfony
Web applications / CMS

Vendor: SensioLabs

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Symfony: 2.3.0 - 2.7.6

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External links
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173271.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173300.html
http://www.debian.org/security/2015/dsa-3402
http://www.securityfocus.com/bid/77692
http://symfony.com/blog/cve-2015-8125-potential-remote-timing-attack-vulnerability-in-security-remember-me-service

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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.