FKIE_CVE-2018-19278

Vulnerability from fkie_nvd - Published: 2018-11-14 20:29 - Updated: 2024-11-21 03:57
Severity ?
7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Buffer overflow in DNS SRV and NAPTR lookups in Digium Asterisk 15.x before 15.6.2 and 16.x before 16.0.1 allows remote attackers to crash Asterisk via a specially crafted DNS SRV or NAPTR response, because a buffer size is supposed to match an expanded length but actually matches a compressed length.
References
cve@mitre.orghttps://downloads.asterisk.org/pub/security/AST-2018-010.htmlPatch, Vendor Advisory
cve@mitre.orghttps://issues.asterisk.org/jira/browse/ASTERISK-28127Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://downloads.asterisk.org/pub/security/AST-2018-010.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://issues.asterisk.org/jira/browse/ASTERISK-28127Exploit, Vendor Advisory
Impacted products
Vendor Product Version
digium asterisk 15.0.0
digium asterisk 15.0.0
digium asterisk 15.0.0
digium asterisk 15.1.0
digium asterisk 15.1.0
digium asterisk 15.1.0
digium asterisk 15.1.2
digium asterisk 15.1.3
digium asterisk 15.1.4
digium asterisk 15.1.5
digium asterisk 15.2.0
digium asterisk 15.2.0
digium asterisk 15.2.1
digium asterisk 15.2.2
digium asterisk 15.3.0
digium asterisk 15.3.0
digium asterisk 15.3.0
digium asterisk 15.4.0
digium asterisk 15.4.0
digium asterisk 15.4.0
digium asterisk 15.4.1
digium asterisk 15.5.0
digium asterisk 15.5.0
digium asterisk 15.6.0
digium asterisk 15.6.0
digium asterisk 15.6.1
digium asterisk 16.0.0
digium asterisk 16.0.0
digium asterisk 16.0.0
digium asterisk 16.0.1
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow in DNS SRV and NAPTR lookups in Digium Asterisk 15.x before 15.6.2 and 16.x before 16.0.1 allows remote attackers to crash Asterisk via a specially crafted DNS SRV or NAPTR response, because a buffer size is supposed to match an expanded length but actually matches a compressed length."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de b\u00fafer en las b\u00fasquedas DNS SRV y NAPTR en Digium Asterisk en versiones 15.x anteriores a la 15.6.2 y versiones 16.x anteriores a la 16.0.1 permite que atacantes remotos provoquen el cierre inesperado de Asterisk mediante una respuesta DNS SRV o NAPTR especialmente manipulada. Esto se debe a que se supone que un tama\u00f1o de b\u00fafer coincide con una longitud expandida, pero en realidad coincide con una longitud comprimida."
    }
  ],
  "id": "CVE-2018-19278",
  "lastModified": "2024-11-21T03:57:39.890",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
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      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  },
  "published": "2018-11-14T20:29:00.587",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://downloads.asterisk.org/pub/security/AST-2018-010.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
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    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "tags": [
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  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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}


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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.
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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.



Detection rules are retrieved from Rulezet.