CVE-2020-7066 – get_headers() silently truncates after a null byte

https://notcve.org/view.php?id=CVE-2020-7066

In PHP versions 7.2.x below 7.2.29, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using get_headers() with user-supplied URL, if the URL contains zero (\0) character, the URL will be silently truncated at it. This may cause some software to make incorrect assumptions about the target of the get_headers() and possibly send some information to a wrong server. En las versiones de PHP 7.2.x anterior a la versión 7.2.29, 7.3.x anterior a 7.3.16 y 7.4.x anterior a 7.4.4, mientras usa get_headers () con la URL suministrada por el usuario, si la URL contiene un carácter cero (\ 0), el La URL se truncará silenciosamente en ella. Esto puede hacer que algunos programas hagan suposiciones incorrectas sobre el objetivo de get_headers () y posiblemente envíen información a un servidor incorrecto. • http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00025.html https://bugs.php.net/bug.php?id=79329 https://lists.debian.org/debian-lts-announce/2020/04/msg00021.html https://security.netapp.com/advisory/ntap-20200403-0001 https://usn.ubuntu.com/4330-2 https://www.debian.org/security/2020/dsa-4717 https://www.debian.org/security/2020/dsa-4719 https://www.tenable.com/security/tns-2021-14 https://access.redhat.com/security/cve/CVE-2020-7066 https://bu • CWE-170: Improper Null Termination CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •