{
  "id": "CVE-2016-1232",
  "sourceIdentifier": "security@debian.org",
  "published": "2016-01-12T20:59:10.200",
  "lastModified": "2016-06-09T11:39:32.273",
  "vulnStatus": "Analyzed",
  "evaluatorComment": "<a href=\"https://cwe.mitre.org/data/definitions/338.html\">CWE-338: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)</a>",
  "descriptions": [
    {
      "lang": "en",
      "value": "The mod_dialback module in Prosody before 0.9.9 does not properly generate random values for the secret token for server-to-server dialback authentication, which makes it easier for attackers to spoof servers via a brute force attack."
    },
    {
      "lang": "es",
      "value": "El m\u00f3dulo mod_dialback en Prosody en versiones anteriores a 0.9.9 no genera adecuadamente valores aleatorios para para el token secreto en la autenticaci\u00f3n de devoluci\u00f3n de llamada de servidor a servidor, lo que hace que sea m\u00e1s f\u00e1cil para atacantes suplantar servidores a trav\u00e9s de un ataque de fuerza bruta."
    }
  ],
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          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
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          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
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        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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  "references": [
    {
      "url": "http://blog.prosody.im/prosody-0-9-9-security-release/",
      "source": "security@debian.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175829.html",
      "source": "security@debian.org"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175868.html",
      "source": "security@debian.org"
    },
    {
      "url": "http://www.debian.org/security/2016/dsa-3439",
      "source": "security@debian.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2016/01/08/5",
      "source": "security@debian.org"
    },
    {
      "url": "https://prosody.im/issues/issue/571",
      "source": "security@debian.org"
    },
    {
      "url": "https://prosody.im/security/advisory_20160108-2/",
      "source": "security@debian.org",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}