CVE-2021-21705

Description

In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using URL validation functionality via filter_var() function with FILTER_VALIDATE_URL parameter, an URL with invalid password field can be accepted as valid. This can lead to the code incorrectly parsing the URL and potentially leading to other security implications - like contacting a wrong server or making a wrong access decision.

Affected packages (4)

• Bitnami/libphp>= 7.3.0, < 7.3.29, >= 7.4.0, < 7.4.21, >= 8.0.0, < 8.0.8
• Bitnami/php>= 7.3.0, < 7.3.29, >= 7.4.0, < 7.4.21, >= 8.0.0, < 8.0.8
• Bitnami/php-min>= 7.3.0, < 7.3.29, >= 7.4.0, < 7.4.21, >= 8.0.0, < 8.0.8
• Debian/php7.4from 0, < 7.4.21-1+deb11u1

CVSS scores

References (6)

• ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-21705
• WEBhttps://bugs.php.net/bug.php?id=81122
• WEBhttps://nvd.nist.gov/vuln/detail/CVE-2021-21705
• WEBhttps://security.gentoo.org/glsa/202209-20
• WEBhttps://security.netapp.com/advisory/ntap-20211029-0006/
• WEBhttps://www.oracle.com/security-alerts/cpujan2022.html