FKIE_CVE-2009-3766

Vulnerability from fkie_nvd - Published: 2009-10-23 19:30 - Updated: 2026-06-16 23:12
Severity
Summary
mutt_ssl.c in mutt 1.5.16 and other versions before 1.5.19, when OpenSSL is used, does not verify the domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
References
cve@mitre.orghttp://dev.mutt.org/trac/ticket/3087Patch, Vendor Advisory
cve@mitre.orghttp://marc.info/?l=oss-security&m=125198917018936&w=2Mailing List, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2009/10/26/1Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://dev.mutt.org/trac/ticket/3087Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=oss-security&m=125198917018936&w=2Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2009/10/26/1Mailing List, Third Party Advisory
Impacted products
Vendor Product Version
mutt mutt *
openssl openssl *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mutt:mutt:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7A318134-FDFF-4D07-9DCD-7C7F04148552",
              "versionEndExcluding": "1.5.19",
              "versionStartIncluding": "1.5.16",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
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            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "mutt_ssl.c in mutt 1.5.16 and other versions before 1.5.19, when OpenSSL is used, does not verify the domain name in the subject\u0027s Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate."
    },
    {
      "lang": "es",
      "value": "En el archivo mutt_ssl.c en mutt versi\u00f3n 1.5.16 y otras versiones anteriores a 1.5.19, cuando es usado OpenSSL, no comprueba el nombre de dominio en el campo Common Name (CN) de un certificado X.509, que permite a los atacantes de tipo man-in-the-middle falsificar servidores SSL por medio de un certificado v\u00e1lido arbitrario."
    }
  ],
  "id": "CVE-2009-3766",
  "lastModified": "2026-06-16T23:12:19.117",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2009-10-23T19:30:00.233",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://dev.mutt.org/trac/ticket/3087"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://marc.info/?l=oss-security\u0026m=125198917018936\u0026w=2"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2009/10/26/1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://dev.mutt.org/trac/ticket/3087"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://marc.info/?l=oss-security\u0026m=125198917018936\u0026w=2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2009/10/26/1"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vendorComments": [
    {
      "comment": "Red Hat is aware of this issue and is tracking it via the following bug:\nhttps://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2009-3766\n\nThe Red Hat Security Response Team has rated this issue as having moderate security impact, a future update may address this flaw.",
      "lastModified": "2009-11-26T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-310"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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