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CVE-2020-7070

Status Candidate

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.

Related Files

Red Hat Security Advisory 2021-2992-01
Posted Aug 3, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2992-01 - PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. Issues addressed include bypass, null pointer, and server-side request forgery vulnerabilities.

tags | advisory, web, php, vulnerability
systems | linux, redhat
advisories | CVE-2020-7068, CVE-2020-7069, CVE-2020-7070, CVE-2020-7071, CVE-2021-21702, CVE-2021-21705
MD5 | 0321756619f042ba1c91635b25b8fce2
Gentoo Linux Security Advisory 202012-16
Posted Dec 24, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202012-16 - Multiple vulnerabilities have been found in PHP, the worst of which could result in a Denial of Service condition. Versions less than 8.0.0 are affected.

tags | advisory, denial of service, php, vulnerability
systems | linux, gentoo
advisories | CVE-2020-7069, CVE-2020-7070
MD5 | 96e08b0d750daa800cc55885a3ab17ec
Ubuntu Security Notice USN-4583-2
Posted Oct 27, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4583-2 - USN-4583-1 fixed vulnerabilities in PHP. This update provides the corresponding update for Ubuntu 20.10. It was discovered that PHP incorrectly handled certain encrypt ciphers. An attacker could possibly use this issue to decrease security or cause incorrect encryption data. Various other issues were also addressed.

tags | advisory, php, vulnerability
systems | linux, ubuntu
advisories | CVE-2020-7069, CVE-2020-7070
MD5 | 8943172472289400ae6eeaa13c5ed52b
Ubuntu Security Notice USN-4583-1
Posted Oct 14, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4583-1 - It was discovered that PHP incorrectly handled certain encrypt ciphers. An attacker could possibly use this issue to decrease security or cause incorrect encryption data. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. It was discovered that PHP incorrectly handled certain HTTP cookies. An attacker could possibly use this issue to forge cookie which is supposed to be secure. Various other issues were also addressed.

tags | advisory, web, php
systems | linux, ubuntu
advisories | CVE-2020-7069, CVE-2020-7070
MD5 | 12cf9b32480b82e7ad683d2a4b2e6274
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