CVE-2020-7061

Public Exploit
heap-buffer-overflow in phar_extract_file

Description

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.30% Top 20%
Vendor Advisory gentoo.org Vendor Advisory php.net
Affected: PHP Group PHP
Published at:
Updated at:

References

Link Tags
https://bugs.php.net/bug.php?id=79171 exploit vendor advisory
https://security.gentoo.org/glsa/202003-57 third party advisory vendor advisory
https://www.tenable.com/security/tns-2021-14 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-7061?
CVE-2020-7061 has been scored as a medium severity vulnerability.
How to fix CVE-2020-7061?
To fix CVE-2020-7061, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-7061 being actively exploited in the wild?
It is possible that CVE-2020-7061 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-7061?
CVE-2020-7061 affects PHP Group PHP.
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