Vulnerability identifier: #VU44012

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-2667

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Symfony
Web applications / CMS

Vendor: SensioLabs

Description

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

Session fixation vulnerability in lib/user/sfBasicSecurityUser.class.php in SensioLabs Symfony before 1.4.18 allows remote attackers to hijack web sessions via vectors related to the regenerate method and unspecified "database backed session classes."

Mitigation
Install update from vendor's website.

Vulnerable software versions

Symfony: 1.4.0 - 1.4.16

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External links
http://secunia.com/advisories/49312
http://symfony.com/blog/security-release-symfony-1-4-18-released
http://trac.symfony-project.org/browser/tags/RELEASE_1_4_18/CHANGELOG
http://www.openwall.com/lists/oss-security/2012/06/04/1
http://www.openwall.com/lists/oss-security/2012/06/05/2
http://www.securityfocus.com/bid/53776
http://exchange.xforce.ibmcloud.com/vulnerabilities/76027

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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.