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CVE-2022-31628

2.3 · LOW

In PHP versions before 7.4.31, 8.0.24 and 8.1.11, the phar uncompressor code would recursively uncompress "quines" gzip files, resulting in an infinite loop.

Published Sep 28, 2022CWE-674EPSS 0.63%

Overview

CVE-2022-31628 is a low-severity vulnerability. It was published on September 28, 2022 and has a CVSS 3.1 base score of 2.3 (LOW).

This vulnerability has a CVSS 3.1 base score of 2.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In PHP versions before 7.4.31, 8.0.24 and 8.1.11, the phar uncompressor code would recursively uncompress "quines" gzip files, resulting in an infinite loop.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refbugs.php.net/bug.php?id=81726Reflists.debian.org/debian-lts-announce/2022/12/msg00030.htmlReflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2L5SUVYGAKSWODUQPZFBUB3AL6E6CSEV/Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VI3E6A3ZTH2RP7OMLJHSVFIEQBIFM6RF/Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XNIEABBH5XCXLFWWZYIDE457SPEDZTXV/Refsecurity.gentoo.org/glsa/202211-03Refsecurity.netapp.com/advisory/ntap-20221209-0001/Refwww.debian.org/security/2022/dsa-5277Refbugs.php.net/bug.php?id=81726Reflists.debian.org/debian-lts-announce/2022/12/msg00030.html

How CyberStrike helps

Frequently asked questions

What is CVE-2022-31628?

CVE-2022-31628 is a low-severity vulnerability. It was published on September 28, 2022 and has a CVSS 3.1 base score of 2.3 (LOW).

How severe is CVE-2022-31628?

This vulnerability has a CVSS 3.1 base score of 2.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-31628?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-31628?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-31628 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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