CVE-2022-31626

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.

References

ExploitIssue TrackingMailing ListPatchVendor Advisory
Mailing ListThird Party Advisory
Mailing ListThird Party Advisory

CvssV3 impact

Could not find any metrics

CvssV2 impact

AccessComplexity

MEDIUM

ConfidentialityImpact

PARTIAL

AvailabilityImpact

PARTIAL

IntegrityImpact

PARTIAL

BaseScore

6

VectorString

AV:N/AC:M/Au:S/C:P/I:P/A:P

Version

2.0

AccessVector

NETWORK

Authentication

SINGLE