SB2015120704 - Multiple vulnerabilities in SensioLabs Symfony

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Cross-site request forgery (CVE-ID: CVE-2015-8125)

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.

2) Input validation error (CVE-ID: CVE-2015-8124)

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Session fixation vulnerability in the "Remember Me" login feature in Symfony 2.3.x before 2.3.35, 2.6.x before 2.6.12, and 2.7.x before 2.7.7 allows remote attackers to hijack web sessions via a session id. <a href="https://cwe.mitre.org/data/definitions/384.htm">CWE-384: Session Fixation</a>

Remediation

Install update from vendor's website.

References

• 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
• https://symfony.com/blog/cve-2015-8125-potential-remote-timing-attack-vulnerability-in-security-remember-me-service
• http://seclists.org/fulldisclosure/2015/Dec/89
• http://www.securityfocus.com/archive/1/537183/100/0/threaded
• http://www.securityfocus.com/bid/77694
• https://symfony.com/blog/cve-2015-8124-session-fixation-in-the-remember-me-login-feature