Session Fixation in Symfony - CVE-2018-11385
Published: June 13, 2018 / Updated: July 17, 2020
Vulnerability identifier: #VU31281
CSH Severity: High
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-11385
CWE-ID: CWE-384
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
An issue was discovered in the Security component in Symfony 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11. A session fixation vulnerability within the "Guard" login feature may allow an attacker to impersonate a victim towards the web application if the session id value was previously known to the attacker.
Affected software
Symfony
Fedora
php-symfony
php-symfony3
php-symfony4
Fedora
php-symfony
php-symfony3
php-symfony4
How to mitigate CVE-2018-11385
Install update from vendor's website.
Symfony - update to 4.0.11
php-symfony - addressed in versions 2.8.41-1.fc28, 2.8.42-1.fc27
php-symfony3 - addressed in versions 3.3.17-1.fc27, 3.4.11-1.fc28
php-symfony4 - update to 4.0.11-1.fc28
php-symfony - addressed in versions 2.8.41-1.fc28, 2.8.42-1.fc27
php-symfony3 - addressed in versions 3.3.17-1.fc27, 3.4.11-1.fc28
php-symfony4 - update to 4.0.11-1.fc28
External References
- https://lists.debian.org/debian-lts-announce/2019/03/msg00009.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G4XNBMFW33H47O5TZGA7JYCVLDBCXAJV/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UBQK7JDXIELADIPGZIOUCZKMAJM5LSBW/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WU5N2TZFNGXDGMXMPP7LZCWTFLENF6WH/
- https://symfony.com/blog/cve-2018-11385-session-fixation-issue-for-guard-authentication
- https://www.debian.org/security/2018/dsa-4262