{"schema_version":"1.8.0","id":"CVE-2020-7070","published":"2020-10-02T15:15:12.747Z","modified":"2026-08-07T11:31:02.326883524Z","aliases":["BIT-libphp-2020-7070","BIT-php-2020-7070","BIT-php-min-2020-7070"],"related":["ALSA-2021:4213","SUSE-SU-2020:14516-1","SUSE-SU-2020:2894-1","SUSE-SU-2020:2896-1","SUSE-SU-2020:2920-1","SUSE-SU-2020:2941-1","SUSE-SU-2020:2943-1","SUSE-SU-2020:2997-1","SUSE-SU-2022:4067-1","SUSE-SU-2022:4068-1","SUSE-SU-2022:4069-1","openSUSE-SU-2020:1703-1","openSUSE-SU-2020:1767-1"],"details":"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.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/php/php-src","events":[{"introduced":"8148cbb78841c8ec0759c0836e7f35dec799d300"},{"fixed":"05eb475499359800a9c698f1759e442042c4f841"},{"introduced":"52ace952a1b65ca80fc2617f11c2fa6dd03f51bd"},{"fixed":"251b1fe177af320256c901e40c9e5fce18316d13"},{"introduced":"3c7824e16ec4c3cee417262445d2c2b66531c10f"},{"fixed":"e1daa19750730b5d94ed2525289d869a4d3cff2b"}],"database_specific":{"cpe":"cpe:2.3:a:php:php:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"7.2.0"},{"fixed":"7.2.34"},{"introduced":"7.3.0"},{"fixed":"7.3.23"},{"introduced":"7.4.0"},{"fixed":"7.4.11"}],"source":"CPE_RANGE"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-7070.json"}}],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EVDN7D3IB4EAI4D3ZOM2OJKQ5SD7K4E/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2J3ZZDHCSX65T5QWV4AHBN7MOJXBEKG/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RRU57N3OSYZPOMFWPRDNVH7EMYOTSZ66/"},{"type":"ADVISORY","url":"http://cve.circl.lu/cve/CVE-2020-8184"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00045.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00067.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/10/msg00008.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202012-16"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20201016-0001/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4583-1/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4856"},{"type":"ADVISORY","url":"https://www.oracle.com/security-alerts/cpuoct2021.html"},{"type":"ADVISORY","url":"https://www.tenable.com/security/tns-2021-14"},{"type":"REPORT","url":"https://bugs.php.net/bug.php?id=79699"},{"type":"EVIDENCE","url":"https://hackerone.com/reports/895727"}],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:*"],"extracted_events":[{"fixed":"5.19.0"}],"source":"CPE_RANGE","vendor_product":"tenable:tenable.sc"},{"cpes":["cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*"],"extracted_events":[{"introduced":"12.04"},{"last_affected":"12.04"},{"introduced":"14.04"},{"last_affected":"14.04"},{"introduced":"16.04"},{"last_affected":"16.04"},{"introduced":"18.04"},{"last_affected":"18.04"},{"introduced":"20.04"},{"last_affected":"20.04"}],"source":"CPE_STRING","vendor_product":"canonical:ubuntu_linux"},{"cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"9.0"},{"last_affected":"9.0"},{"introduced":"10.0"},{"last_affected":"10.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux"},{"cpes":["cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"31"},{"last_affected":"31"},{"introduced":"32"},{"last_affected":"32"},{"introduced":"33"},{"last_affected":"33"}],"source":"CPE_STRING","vendor_product":"fedoraproject:fedora"},{"cpes":["cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*","cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"15.1"},{"last_affected":"15.1"},{"introduced":"15.2"},{"last_affected":"15.2"}],"source":"CPE_STRING","vendor_product":"opensuse:leap"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"}]}