fkie_cve-2021-26906
Vulnerability from fkie_nvd
Published
2021-02-18 20:15
Modified
2024-11-21 05:57
Severity ?
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
An issue was discovered in res_pjsip_session.c in Digium Asterisk through 13.38.1; 14.x, 15.x, and 16.x through 16.16.0; 17.x through 17.9.1; and 18.x through 18.2.0, and Certified Asterisk through 16.8-cert5. An SDP negotiation vulnerability in PJSIP allows a remote server to potentially crash Asterisk by sending specific SIP responses that cause an SDP negotiation failure.
References
cve@mitre.orghttp://packetstormsecurity.com/files/161477/Asterisk-Project-Security-Advisory-AST-2021-005.htmlThird Party Advisory
cve@mitre.orghttp://seclists.org/fulldisclosure/2021/Feb/61Mailing List, Patch, Third Party Advisory
cve@mitre.orghttps://downloads.asterisk.org/pub/security/Vendor Advisory
cve@mitre.orghttps://downloads.asterisk.org/pub/security/AST-2021-005.htmlVendor Advisory
cve@mitre.orghttps://issues.asterisk.org/jira/browse/ASTERISK-29196Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/161477/Asterisk-Project-Security-Advisory-AST-2021-005.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2021/Feb/61Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://downloads.asterisk.org/pub/security/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://downloads.asterisk.org/pub/security/AST-2021-005.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://issues.asterisk.org/jira/browse/ASTERISK-29196Issue Tracking, Patch, Vendor Advisory
Impacted products
Vendor Product Version
digium asterisk *
digium asterisk *
digium asterisk *
digium asterisk *
digium certified_asterisk 16.8
digium certified_asterisk 16.8
digium certified_asterisk 16.8
digium certified_asterisk 16.8
digium certified_asterisk 16.8
digium certified_asterisk 16.8
digium certified_asterisk 16.8
digium certified_asterisk 16.8
digium certified_asterisk 16.8
digium certified_asterisk 16.8
digium certified_asterisk 16.8
digium certified_asterisk 16.8
digium certified_asterisk 16.8


To clipboard 

{
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    {
      "nodes": [
        {
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in res_pjsip_session.c in Digium Asterisk through 13.38.1; 14.x, 15.x, and 16.x through 16.16.0; 17.x through 17.9.1; and 18.x through 18.2.0, and Certified Asterisk through 16.8-cert5. An SDP negotiation vulnerability in PJSIP allows a remote server to potentially crash Asterisk by sending specific SIP responses that cause an SDP negotiation failure."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema en el archivo res_pjsip_session.c en Digium Asterisk versiones hasta 13.38.1;\u0026#xa0;14.x, 15.x y 16.xa 16.16.0;\u0026#xa0;17.xa 17.9.1;\u0026#xa0;y 18.xa 18.2.0, y Certified Asterisk versiones hasta 16.8-cert5.\u0026#xa0;Una vulnerabilidad de negociaci\u00f3n SDP en PJSIP permite a un servidor remoto bloquear potencialmente Asterisk mediante el env\u00edo de respuestas SIP espec\u00edficas que causan un fallo en la negociaci\u00f3n SDP"
    }
  ],
  "id": "CVE-2021-26906",
  "lastModified": "2024-11-21T05:57:00.817",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "cvssData": {
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          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
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        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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  },
  "published": "2021-02-18T20:15:12.743",
  "references": [
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      "tags": [
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  "vulnStatus": "Modified",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-404"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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