fkie_cve-2019-18976
Vulnerability from fkie_nvd
Published
2019-11-22 17:15
Modified
2024-11-21 04:33
Summary
An issue was discovered in res_pjsip_t38.c in Sangoma Asterisk through 13.x and Certified Asterisk through 13.21-x. If it receives a re-invite initiating T.38 faxing and has a port of 0 and no c line in the SDP, a NULL pointer dereference and crash will occur. This is different from CVE-2019-18940.



{
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        {
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              "matchCriteriaId": "EE39000C-238B-45D9-A2C0-9907A7FB4C36",
              "versionEndIncluding": "13.29.1",
              "versionStartIncluding": "13.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:digium:certified_asterisk:13.21:*:*:*:*:*:*:*",
              "matchCriteriaId": "8F9D13EC-820A-4D7E-9AB1-F81DCFF324DA",
              "vulnerable": true
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              "matchCriteriaId": "B7EE2BD3-51DC-4DA5-A5F2-6275F5277BE7",
              "vulnerable": true
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              "criteria": "cpe:2.3:a:digium:certified_asterisk:13.21:cert2:*:*:*:*:*:*",
              "matchCriteriaId": "6A7B650A-4785-4A8B-BCB6-1B630A0E18E0",
              "vulnerable": true
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            {
              "criteria": "cpe:2.3:a:digium:certified_asterisk:13.21:cert3:*:*:*:*:*:*",
              "matchCriteriaId": "6B791DBB-EB45-4E9C-9C57-249D196EC0E5",
              "vulnerable": true
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              "criteria": "cpe:2.3:a:digium:certified_asterisk:13.21:cert4:*:*:*:*:*:*",
              "matchCriteriaId": "BF36760E-856B-4D74-98BF-129323E9306B",
              "vulnerable": true
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          ],
          "negate": false,
          "operator": "OR"
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      ]
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    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in res_pjsip_t38.c in Sangoma Asterisk through 13.x and Certified Asterisk through 13.21-x. If it receives a re-invite initiating T.38 faxing and has a port of 0 and no c line in the SDP, a NULL pointer dereference and crash will occur. This is different from CVE-2019-18940."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema en el archivo res_pjsip_t38.c en Sangoma Asterisk versiones hasta 13.x y Certified Asterisk versiones hasta 13.21-x. Si recibe una nueva invitaci\u00f3n para iniciar el env\u00edo de faxes T.38 y tiene un puerto de 0 y sin l\u00ednea c en el SDP, se producir\u00e1 una desreferencia del puntero NULL y un bloqueo. Esto es diferente de CVE-2019-18940."
    }
  ],
  "id": "CVE-2019-18976",
  "lastModified": "2024-11-21T04:33:55.320",
  "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
      }
    ],
    "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": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-11-22T17:15:11.833",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://downloads.asterisk.org/pub/security/AST-2019-008.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "VDB Entry"
      ],
      "url": "https://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
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      "url": "https://seclists.org/fulldisclosure/2019/Nov/20"
    },
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      "source": "cve@mitre.org",
      "tags": [
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      "url": "https://www.asterisk.org/downloads/security-advisories"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
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      "url": "https://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://downloads.asterisk.org/pub/security/AST-2019-008.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "VDB Entry"
      ],
      "url": "https://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://seclists.org/fulldisclosure/2019/Nov/20"
    },
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      "tags": [
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    },
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      "tags": [
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      "url": "https://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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