github - ghsa-g5vj-46wr-fpx5

GHSA-G5VJ-46WR-FPX5

Vulnerability from github – Published: 2025-11-18 18:32 – Updated: 2025-11-24 15:30

Details

In Checkmk versions prior to 2.4.0p16, 2.3.0p41, and all versions of 2.2.0 and older, the mk_inotify plugin creates world-readable and writable files, allowing any local user on the system to read the plugin's output and manipulate it, potentially leading to unauthorized access to or modification of monitoring data.

Severity ?

4.4 (Medium)


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

4.8 (Medium)


                  
                    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:N/SA:N

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{
  "affected": [],
  "aliases": [
    "CVE-2025-64996"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-732"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-11-18T16:15:46Z",
    "severity": "MODERATE"
  },
  "details": "In Checkmk versions prior to 2.4.0p16, 2.3.0p41, and all versions of 2.2.0 and older, the mk_inotify plugin creates world-readable and writable files, allowing any local user on the system to read the plugin\u0027s output and manipulate it, potentially leading to unauthorized access to or modification of monitoring data.",
  "id": "GHSA-g5vj-46wr-fpx5",
  "modified": "2025-11-24T15:30:28Z",
  "published": "2025-11-18T18:32:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-64996"
    },
    {
      "type": "WEB",
      "url": "https://checkmk.com/werk/18570"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2025-64996 (GCVE-0-2025-64996)

Vulnerability from cvelistv5 – Published: 2025-11-18 15:10 – Updated: 2025-11-18 21:23

Summary

Severity ?

4.8 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:N/SA:N

CWE

CWE-732 - Incorrect Permission Assignment for Critical Resource

Assigner

Checkmk

References

URL

Tags

https://checkmk.com/werk/18570

Impacted products

	Vendor	Product	Version
	Checkmk GmbH	Checkmk	Affected: 2.4.0 , < 2.4.0p16 (semver) Affected: 2.3.0 , < 2.3.0p41 (semver) Affected: 2.2.0 (semver) Affected: 2.1.0 (semver)

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-64996",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-11-18T21:22:39.861013Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-11-18T21:23:15.114Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Checkmk",
          "vendor": "Checkmk GmbH",
          "versions": [
            {
              "lessThan": "2.4.0p16",
              "status": "affected",
              "version": "2.4.0",
              "versionType": "semver"
            },
            {
              "lessThan": "2.3.0p41",
              "status": "affected",
              "version": "2.3.0",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "2.2.0",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "2.1.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "2.4.0p16",
                  "versionStartIncluding": "2.4.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "2.3.0p41",
                  "versionStartIncluding": "2.3.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:checkmk:checkmk:2.2.0:*:*:*:*:*:*:*",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:checkmk:checkmk:2.1.0:*:*:*:*:*:*:*",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
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      "descriptions": [
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          "lang": "en",
          "value": "In Checkmk versions prior to 2.4.0p16, 2.3.0p41, and all versions of 2.2.0 and older, the mk_inotify plugin creates world-readable and writable files, allowing any local user on the system to read the plugin\u0027s output and manipulate it, potentially leading to unauthorized access to or modification of monitoring data."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-180",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-180: Exploiting Incorrectly Configured Access Control Security Levels"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:N/SA:N",
            "version": "4.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-732",
              "description": "CWE-732: Incorrect Permission Assignment for Critical Resource",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-18T15:10:53.398Z",
        "orgId": "f7d6281c-4801-44ce-ace2-493291dedb0f",
        "shortName": "Checkmk"
      },
      "references": [
        {
          "url": "https://checkmk.com/werk/18570"
        }
      ],
      "title": "Overly broad file permissions in the mk_inotify plugin allows reading and manipulating the plugin\u0027s output",
      "x_generator": {
        "engine": "cvelib 1.8.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f7d6281c-4801-44ce-ace2-493291dedb0f",
    "assignerShortName": "Checkmk",
    "cveId": "CVE-2025-64996",
    "datePublished": "2025-11-18T15:10:53.398Z",
    "dateReserved": "2025-11-12T09:16:24.091Z",
    "dateUpdated": "2025-11-18T21:23:15.114Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-G5VJ-46WR-FPX5

CVE-2025-64996 (GCVE-0-2025-64996)

Tags

Sightings

Nomenclature