CVE-2022-31626 mysqlnd/pdo password buffer overflow

2022-06-0600:00:00

CWE-120

php

www.cve.org

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

9.6 High

AI Score

Confidence

High

0.008 Low

EPSS

Percentile

81.6%

JSON

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.

CNA Affected

[
  {
    "vendor": "PHP Group",
    "product": "PHP",
    "versions": [
      {
        "version": "7.4.X",
        "status": "affected",
        "lessThan": "7.4.30",
        "versionType": "custom"
      },
      {
        "version": "8.0.X",
        "status": "affected",
        "lessThan": "8.0.20",
        "versionType": "custom"
      },
      {
        "version": "8.1.X",
        "status": "affected",
        "lessThan": "8.1.7",
        "versionType": "custom"
      }
    ]
  }
]