FKIE_CVE-2023-47090

Vulnerability from fkie_nvd - Published: 2023-10-30 17:15 - Updated: 2024-11-21 08:29
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
NATS nats-server before 2.9.23 and 2.10.x before 2.10.2 has an authentication bypass. An implicit $G user in an authorization block can sometimes be used for unauthenticated access, even when the intention of the configuration was for each user to have an account. The earliest affected version is 2.2.0.
References
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2023/10/30/1Mailing List
cve@mitre.orghttps://github.com/nats-io/nats-server/security/advisories/GHSA-fr2g-9hjm-wr23Vendor Advisory
cve@mitre.orghttps://www.openwall.com/lists/oss-security/2023/10/13/2Mailing List, Mitigation
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2023/10/30/1Mailing List
af854a3a-2127-422b-91ae-364da2661108https://github.com/nats-io/nats-server/security/advisories/GHSA-fr2g-9hjm-wr23Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2023/10/13/2Mailing List, Mitigation
Impacted products
Vendor Product Version
linuxfoundation nats-server *
linuxfoundation nats-server *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:linuxfoundation:nats-server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "614FF4B7-8B2D-473A-8455-441CA8A74915",
              "versionEndExcluding": "2.9.23",
              "versionStartIncluding": "2.2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:linuxfoundation:nats-server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "852E9346-57E4-4B4A-8EC7-AE9F4532BE18",
              "versionEndExcluding": "2.10.2",
              "versionStartIncluding": "2.10.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "NATS nats-server before 2.9.23 and 2.10.x before 2.10.2 has an authentication bypass. An implicit $G user in an authorization block can sometimes be used for unauthenticated access, even when the intention of the configuration was for each user to have an account. The earliest affected version is 2.2.0."
    },
    {
      "lang": "es",
      "value": "NATS nats-server anterior a 2.9.23 y 2.10.x anterior a 2.10.2 tiene una omisi\u00f3n de autenticaci\u00f3n. Un usuario $G impl\u00edcito en un bloque de autorizaci\u00f3n a veces se puede utilizar para acceso no autenticado, incluso cuando la intenci\u00f3n de la configuraci\u00f3n era que cada usuario tuviera una cuenta. La primera versi\u00f3n afectada es la 2.2.0."
    }
  ],
  "id": "CVE-2023-47090",
  "lastModified": "2024-11-21T08:29:44.953",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2023-10-30T17:15:52.467",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2023/10/30/1"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://github.com/nats-io/nats-server/security/advisories/GHSA-fr2g-9hjm-wr23"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Mitigation"
      ],
      "url": "https://www.openwall.com/lists/oss-security/2023/10/13/2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2023/10/30/1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://github.com/nats-io/nats-server/security/advisories/GHSA-fr2g-9hjm-wr23"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Mitigation"
      ],
      "url": "https://www.openwall.com/lists/oss-security/2023/10/13/2"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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