Inconsistent interpretation of HTTP requests in SilverStripe Framework - CVE-2019-19326
Published: July 22, 2020
Vulnerability identifier: #VU31745
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-19326
CWE-ID: CWE-444
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform cache poisoning attack.
The vulnerability exists due to improper input validation in the "X-Original-Url" and "X-HTTP-Method-Override" headers. A remote attacker can send a specially crated HTTP request and poison the cache.
Affected software
SilverStripe Framework
How to mitigate CVE-2019-19326
Install updates from vendor's website.
SilverStripe Framework - addressed in versions 3.7.5, 4.4.7, 4.5.3, 4.6.0