CVE-2020-7070

CVE Details

Release Date:	2020-10-02
Impact:	None	What is this?

Description

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.

See more information about CVE-2020-7070 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	5.3
Vector String:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Version:	3.0
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	None
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	Low
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (libzip)	ELSA-2021-4213	2021-11-16
Oracle Linux version 8 (php)	ELSA-2021-4213	2021-11-16
Oracle Linux version 8 (php-pear)	ELSA-2021-4213	2021-11-16
Oracle Linux version 8 (php-pecl-apcu)	ELSA-2021-4213	2021-11-16
Oracle Linux version 8 (php-pecl-rrd)	ELSA-2021-4213	2021-11-16
Oracle Linux version 8 (php-pecl-xdebug)	ELSA-2021-4213	2021-11-16
Oracle Linux version 8 (php-pecl-zip)	ELSA-2021-4213	2021-11-16