CVE-2022-2529 Multiple DoS Attack Vectors in sflow packet handling

2022-09-3010:45:11

CWE-20

CWE-400

cloudflare

www.cve.org

cve-2022-2529

sflow

dos

packet handling

denial of service

CVSS3

7.5

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

EPSS

0.001

Percentile

38.4%

JSON

sflow decode package does not employ sufficient packet sanitisation which can lead to a denial of service attack. Attackers can craft malformed packets causing the process to consume large amounts of memory resulting in a denial of service.

CNA Affected

[
  {
    "platforms": [
      "Go"
    ],
    "product": "goflow",
    "vendor": "Cloudflare",
    "versions": [
      {
        "lessThan": "3.4.4",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]