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PHP Reliance on Cookies without Validation and Integrity Checking Vulnerability - CVE-2020-7070 - Vulnerability Database
PHP

PHP Reliance on Cookies without Validation and Integrity Checking Vulnerability - CVE-2020-7070

Medium
Reference: CVE-2020-7070
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2020-7070
Title: PHP Reliance on Cookies without Validation and Integrity Checking Vulnerability
Overview:

In PHP versions 7.2.x below 7.2.34 7.3.x below 7.3.23 and 7.4.x below 7.4.11 when PHP is processing incoming HTTP cookie values the cookie names are url-decoded. This may lead to cookies with prefixes like __Host confused with cookies that decode to such prefix thus leading to an attacker being able to forge cookie which is supposed to be secure. See also CVE-2020-8184 for more information.