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CVE
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CVE-2020-7070Date: (C)2020-10-05   (M)2020-02-26


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.3CVSS Score : 5.0
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 1.4Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: NONEAvailability: NONE
Integrity: LOW 
Availability: NONE 
  
Reference:
FEDORA-2020-4573f0e03a
FEDORA-2020-4fe6b116e5
FEDORA-2020-94763cb98b
https://lists.debian.org/debian-lts-announce/2020/10/msg00008.html
http://cve.circl.lu/cve/CVE-2020-8184
https://bugs.php.net/bug.php?id=79699
https://hackerone.com/reports/895727
https://security.netapp.com/advisory/ntap-20201016-0001/

CPE    2
cpe:/o:debian:debian_linux:9.0
cpe:/a:php:php
CWE    1
CWE-565
OVAL    1
oval:org.secpod.oval:def:2003695

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