Vulnerability identifier: #VU18298
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-287
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Symfony
Web applications /
CMS
Vendor: SensioLabs
Description
The disclosed vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to the way application handles values within HTTP cookies, related to session expiration time and username. A remote attacker can modify the remember me cookie value and authenticate as a different user.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Symfony: 2.7.0 - 4.2.6
External links
http://symfony.com/blog/cve-2019-10911-add-a-separator-in-the-remember-me-cookie-hash
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.