Improper input validation in Symfony - CVE-2019-10913

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Main Vulnerability Database Vulnerabilities #VU18300

Improper input validation in Symfony - CVE-2019-10913

Published: April 18, 2019


Vulnerability identifier: #VU18300
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-10913
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The disclosed vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists due to absent validation of HTTP methods when processing methods directly or via X-Http-Method-Override header. A remote attacker can pass specially crafted string as HTTP method and bypass certain security restrictions.


Affected software

Symfony
symfony (Debian package)
php-symfony
php-symfony3
php-symfony4
Fedora

How to mitigate CVE-2019-10913

Install updates from vendor's website.

Symfony - addressed in versions 2.7.51, 2.8.50, 3.4.26, 4.1.12, 4.2.7
symfony (Debian package) - update to 2.8.7+dfsg-1.3+deb9u2
php-symfony - addressed in versions 2.8.51-1.fc28, 2.8.51-1.fc29, 2.8.51-1.fc30
php-symfony3 - addressed in versions 3.4.26-1.fc28, 3.4.26-1.fc29, 3.4.26-1.fc30
php-symfony4 - addressed in versions 4.1.12-1.fc29, 4.2.7-2.fc30

External References

Related Security Bulletins