CVE-2020-7068

Use of freed hash key in the phar_parse_zipfile function

State: Published
Severity: 4.8 Medium
Published: Sep 9, 2020
Updated: Sep 17, 2024
Reserved: Jan 15, 2020

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	4.8 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L	php

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
PHPPHP Group	7.3.x to before 7.3.21Affected 7.4.x to before 7.4.9Affected 7.2.x to before 7.2.33Affected

References

https://bugs.php.net/bug.php?id=79797
GLSA-202009-10vendor-advisory
https://security.netapp.com/advisory/ntap-20200918-0005/
DSA-4856vendor-advisory
https://www.tenable.com/security/tns-2021-14

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