CVE-2023-23549 DoS via long hostnames

2023-11-1511:07:28

CWE-1284

Checkmk

www.cve.org

improper input validation

checkmk

dos

long hostnames

privileged attackers

denial of service

CVSS3

2.7

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

AI Score

4.3

Confidence

High

EPSS

Percentile

13.3%

JSON

Improper Input Validation in Checkmk <2.2.0p15, <2.1.0p37, <=2.0.0p39 allows priviledged attackers to cause partial denial of service of the UI via too long hostnames.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Checkmk",
    "vendor": "Checkmk GmbH",
    "versions": [
      {
        "lessThan": "2.2.0p15",
        "status": "affected",
        "version": "2.2.0",
        "versionType": "semver"
      },
      {
        "lessThan": "2.1.0p37",
        "status": "affected",
        "version": "2.1.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "2.0.0p39",
        "status": "affected",
        "version": "2.0.0",
        "versionType": "semver"
      }
    ]
  }
]