by Kastro
Paper/Archive/CVE-2020-7061

CVE-2020-7061

PHP Group PHP — heap-buffer-overflow in phar_extract_file

EPSS 4%CVSS 9.1
critical.is priorityof 100
45
CVSS 9.1 (NVD)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 90.7.907 × 2018.1No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

In PHP versions 7.3.x below 7.3.15 and 7.4.x below 7.4.3, while extracting PHAR files on Windows using phar extension, certain content inside PHAR file could lead to one-byte read past the allocated buffer. This could potentially lead to information disclosure or crash.

Affected

ProductAffectedFixed inSource
PHP7.3.x – < 7.3.157.3.15CNA
PHP7.4.x – < 7.4.37.4.3CNA

Scores by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
php (CNA)6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

References

refbugs.php.net/bug.php?id=79171advisorysecurity.gentoo.org/glsa/202003-57reftenable.com/security/tns-2021-14