CVE-2022-31626

Public Exploit
mysqlnd/pdo password buffer overflow

Description

In PHP versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, when pdo_mysql extension with mysqlnd driver, if the third party is allowed to supply host to connect to and the password for the connection, password of excessive length can trigger a buffer overflow in PHP, which can lead to a remote code execution vulnerability.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 14.83% Top 10%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory debian.org 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=81719 issue tracking mailing list patch vendor advisory exploit
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZZTZQKRGEYJT5UB4FGG3MOE72SQUHSL4/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T4MMEEZYYAEHPQMZDFN44PHORJWJFZQ/ vendor advisory
https://www.debian.org/security/2022/dsa-5179 third party advisory vendor advisory
https://security.netapp.com/advisory/ntap-20220722-0005/ third party advisory
https://security.gentoo.org/glsa/202209-20 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00030.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2022-31626?
CVE-2022-31626 has been scored as a high severity vulnerability.
How to fix CVE-2022-31626?
To fix CVE-2022-31626, 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-2022-31626 being actively exploited in the wild?
It is possible that CVE-2022-31626 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~15% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-31626?
CVE-2022-31626 affects PHP Group PHP.
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