CVE-2023-0662 DoS vulnerability when parsing multipart request body

2023-02-1606:24:01

CWE-400

php

www.cve.org

php

dos

http form upload

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

8 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

26.5%

JSON

In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, excessive number of parts in HTTP form upload can cause high resource consumption and excessive number of log entries. This can cause denial of service on the affected server by exhausting CPU resources or disk space.

CNA Affected

[
  {
    "defaultStatus": "affected",
    "product": "PHP",
    "repo": "https://github.com/php/php-src",
    "vendor": "PHP Group",
    "versions": [
      {
        "lessThan": "8.0.28",
        "status": "affected",
        "version": "8.0.x",
        "versionType": "semver"
      },
      {
        "lessThan": "8.1.16",
        "status": "affected",
        "version": "8.1.x",
        "versionType": "semver"
      },
      {
        "lessThan": "8.2.3",
        "status": "affected",
        "version": "8.2.x",
        "versionType": "semver"
      }
    ]
  }
]