Vulnerability CVE-2020-7068


Published: 2020-09-09

Description:
In PHP versions 7.2.x below 7.3.21, 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.

Type:

CWE-416

(Use After Free)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
Partial
Affected software
PHP -> PHP 

 References:
https://bugs.php.net/bug.php?id=79797
https://security.gentoo.org/glsa/202009-10

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