FKIE_CVE-2023-43768

Vulnerability from fkie_nvd - Published: 2024-03-27 07:15 - Updated: 2025-04-23 16:26
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
An issue was discovered in Couchbase Server 6.6.x through 7.2.0, before 7.1.5 and 7.2.1. Unauthenticated users may cause memcached to run out of memory via large commands.
References
cve@mitre.orghttps://docs.couchbase.com/server/current/release-notes/relnotes.htmlRelease Notes
cve@mitre.orghttps://forums.couchbase.com/tags/securityProduct
cve@mitre.orghttps://www.couchbase.com/alerts/Vendor Advisory
cve@mitre.orghttps://www.couchbase.com/downloadsProduct
af854a3a-2127-422b-91ae-364da2661108https://docs.couchbase.com/server/current/release-notes/relnotes.htmlRelease Notes
af854a3a-2127-422b-91ae-364da2661108https://forums.couchbase.com/tags/securityProduct
af854a3a-2127-422b-91ae-364da2661108https://www.couchbase.com/alerts/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.couchbase.com/downloadsProduct
Impacted products
Vendor Product Version
couchbase couchbase_server *
couchbase couchbase_server 7.2.0
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:couchbase:couchbase_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B6785960-AEB2-4648-9EC8-47967CE1CCBC",
              "versionEndExcluding": "7.1.5",
              "versionStartIncluding": "6.6.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:couchbase:couchbase_server:7.2.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "FBF7BB41-6DE4-45D5-81FE-A3CC055853F1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Couchbase Server 6.6.x through 7.2.0, before 7.1.5 and 7.2.1. Unauthenticated users may cause memcached to run out of memory via large commands."
    },
    {
      "lang": "es",
      "value": "Se descubri\u00f3 un problema en Couchbase Server 6.6.x hasta 7.2.0, anteriores a 7.1.5 y 7.2.1. Los usuarios no autenticados pueden hacer que Memcached se quede sin memoria mediante comandos grandes."
    }
  ],
  "id": "CVE-2023-43768",
  "lastModified": "2025-04-23T16:26:31.793",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2024-03-27T07:15:48.390",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes"
      ],
      "url": "https://docs.couchbase.com/server/current/release-notes/relnotes.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Product"
      ],
      "url": "https://forums.couchbase.com/tags/security"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.couchbase.com/alerts/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Product"
      ],
      "url": "https://www.couchbase.com/downloads"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://docs.couchbase.com/server/current/release-notes/relnotes.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product"
      ],
      "url": "https://forums.couchbase.com/tags/security"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.couchbase.com/alerts/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product"
      ],
      "url": "https://www.couchbase.com/downloads"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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  • 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.
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  • 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.



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