CVE-2022-31627

2022-07-2806:15:07

CWE-590

CWE-787

[email protected]

web.nvd.nist.gov

161

php

fileinfo

vulnerability

heap corruption

cve-2022-31627

nvd

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

62.2%

JSON

In PHP versions 8.1.x below 8.1.8, when fileinfo functions, such as finfo_buffer, due to incorrect patch applied to the third party code from libmagic, incorrect function may be used to free allocated memory, which may lead to heap corruption.

Affected configurations

NVD

Node

phpphpRange8.1.0–8.1.8

CPENameOperatorVersion
php:phpphplt8.1.8

CPE	Name	Operator	Version
php:php	php	lt	8.1.8

CNA Affected

[
  {
    "product": "PHP",
    "vendor": "PHP Group",
    "versions": [
      {
        "lessThan": "8.1.8",
        "status": "affected",
        "version": "8.1.X",
        "versionType": "custom"
      }
    ]
  }
]