CVE-2022-26372

2022-05-0516:26:37

CWE-400

www.cve.org

f5 big-ip

dns listener

vulnerability

memory resource utilization

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

On F5 BIG-IP 15.1.x versions prior to 15.1.0.2, 14.1.x versions prior to 14.1.4.6, 13.1.x versions prior to 13.1.5, and all versions of 12.1.x and 11.6.x, when a DNS listener is configured on a virtual server with DNS queueing (default), undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CNA Affected

[
  {
    "product": "BIG-IP",
    "vendor": "F5",
    "versions": [
      {
        "status": "affected",
        "version": "12.1.x"
      },
      {
        "status": "affected",
        "version": "11.6.x"
      },
      {
        "lessThan": "16.0.x*",
        "status": "unaffected",
        "version": "16.0.0",
        "versionType": "custom"
      },
      {
        "lessThan": "15.1.0.2",
        "status": "affected",
        "version": "15.1.x",
        "versionType": "custom"
      },
      {
        "lessThan": "14.1.4.6",
        "status": "affected",
        "version": "14.1.x",
        "versionType": "custom"
      },
      {
        "lessThan": "13.1.5",
        "status": "affected",
        "version": "13.1.x",
        "versionType": "custom"
      },
      {
        "lessThan": "17.0.x*",
        "status": "unaffected",
        "version": "17.0.0",
        "versionType": "custom"
      }
    ]
  }
]