CVE-2020-7068 MEDIUM

CVE-2020-7068: Use of freed hash key in the phar_parse_zipfile function

Vendor Php Group
Product PHP
Weakness CWE-416
Published September 9, 2020
Last update September 17, 2024
View on NVD All CVEs

CVSS base score

4.8/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L

What the vulnerability does

01Description

In PHP versions 7.2.x below 7.2.33, 7.3.x below 7.3.21 and 7.4.x below 7.4.9, while processing PHAR files using phar extension, phar_parse_zipfile could be tricked into accessing freed memory, which could lead to a crash or information disclosure.

Key dates

02Disclosure timeline

September 9, 2020 CVE published
September 17, 2024 Record updated