CVE-2021-31878
Vulnerability from cvelistv5
Published
2021-07-27 05:17
Modified
2024-08-03 23:10
Severity ?
Summary
An issue was discovered in PJSIP in Asterisk before 16.19.1 and before 18.5.1. To exploit, a re-INVITE without SDP must be received after Asterisk has sent a BYE request.
References
cve@mitre.orghttp://downloads.asterisk.org/pub/security/AST-2021-007.htmlPatch, Vendor Advisory
cve@mitre.orghttp://packetstormsecurity.com/files/163638/Asterisk-Project-Security-Advisory-AST-2021-007.htmlPatch, Third Party Advisory, VDB Entry
cve@mitre.orghttp://seclists.org/fulldisclosure/2021/Jul/48Mailing List, Patch, Third Party Advisory
cve@mitre.orghttps://downloads.digium.com/pub/security/AST-2021-007.htmlPatch, Vendor Advisory
cve@mitre.orghttps://issues.asterisk.org/jira/browse/ASTERISK-29381Exploit, Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://downloads.asterisk.org/pub/security/AST-2021-007.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/163638/Asterisk-Project-Security-Advisory-AST-2021-007.htmlPatch, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2021/Jul/48Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://downloads.digium.com/pub/security/AST-2021-007.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://issues.asterisk.org/jira/browse/ASTERISK-29381Exploit, Issue Tracking, Vendor Advisory
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:10:30.837Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "20210722 AST-2021-007: Remote Crash Vulnerability in PJSIP channel driver",
            "tags": [
              "mailing-list",
              "x_refsource_FULLDISC",
              "x_transferred"
            ],
            "url": "http://seclists.org/fulldisclosure/2021/Jul/48"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/163638/Asterisk-Project-Security-Advisory-AST-2021-007.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://downloads.asterisk.org/pub/security/AST-2021-007.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://issues.asterisk.org/jira/browse/ASTERISK-29381"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://downloads.digium.com/pub/security/AST-2021-007.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in PJSIP in Asterisk before 16.19.1 and before 18.5.1. To exploit, a re-INVITE without SDP must be received after Asterisk has sent a BYE request."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-07-27T11:10:28",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "name": "20210722 AST-2021-007: Remote Crash Vulnerability in PJSIP channel driver",
          "tags": [
            "mailing-list",
            "x_refsource_FULLDISC"
          ],
          "url": "http://seclists.org/fulldisclosure/2021/Jul/48"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://packetstormsecurity.com/files/163638/Asterisk-Project-Security-Advisory-AST-2021-007.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://downloads.asterisk.org/pub/security/AST-2021-007.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://issues.asterisk.org/jira/browse/ASTERISK-29381"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://downloads.digium.com/pub/security/AST-2021-007.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-31878",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An issue was discovered in PJSIP in Asterisk before 16.19.1 and before 18.5.1. To exploit, a re-INVITE without SDP must be received after Asterisk has sent a BYE request."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "20210722 AST-2021-007: Remote Crash Vulnerability in PJSIP channel driver",
              "refsource": "FULLDISC",
              "url": "http://seclists.org/fulldisclosure/2021/Jul/48"
            },
            {
              "name": "http://packetstormsecurity.com/files/163638/Asterisk-Project-Security-Advisory-AST-2021-007.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/163638/Asterisk-Project-Security-Advisory-AST-2021-007.html"
            },
            {
              "name": "http://downloads.asterisk.org/pub/security/AST-2021-007.html",
              "refsource": "MISC",
              "url": "http://downloads.asterisk.org/pub/security/AST-2021-007.html"
            },
            {
              "name": "https://issues.asterisk.org/jira/browse/ASTERISK-29381",
              "refsource": "MISC",
              "url": "https://issues.asterisk.org/jira/browse/ASTERISK-29381"
            },
            {
              "name": "https://downloads.digium.com/pub/security/AST-2021-007.html",
              "refsource": "MISC",
              "url": "https://downloads.digium.com/pub/security/AST-2021-007.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-31878",
    "datePublished": "2021-07-27T05:17:05",
    "dateReserved": "2021-04-29T00:00:00",
    "dateUpdated": "2024-08-03T23:10:30.837Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-31878\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2021-07-30T14:15:16.690\",\"lastModified\":\"2024-11-21T06:06:24.867\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An issue was discovered in PJSIP in Asterisk before 16.19.1 and before 18.5.1. To exploit, a re-INVITE without SDP must be received after Asterisk has sent a BYE request.\"},{\"lang\":\"es\",\"value\":\"Se ha detectado un problema en PJSIP en Asterisk versiones anteriores a 16.19.1 y versiones anteriores a 18.5.1. Para explotarlo, se debe recibir un re-INVITE sin SDP despu\u00e9s de que Asterisk haya enviado una petici\u00f3n BYE\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:N/I:N/A:P\",\"baseScore\":4.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-617\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:digium:asterisk:16.17.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4793E23F-97F7-4F87-B521-1718AA6FAD06\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:digium:asterisk:16.18.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E01BD9F9-857A-4114-80D6-9F43B230EF3D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:digium:asterisk:16.19.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"00B876D8-5BE7-4F40-9692-4C7C6EE49611\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:digium:asterisk:18.3.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"78681A97-2B41-494E-AA7A-3BB953E8497B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:digium:asterisk:18.4.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"54266F33-D604-491F-9891-C9D8A1B68135\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:digium:asterisk:18.5.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F4CC9EFF-8916-46E6-97ED-39035541E350\"}]}]}],\"references\":[{\"url\":\"http://downloads.asterisk.org/pub/security/AST-2021-007.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://packetstormsecurity.com/files/163638/Asterisk-Project-Security-Advisory-AST-2021-007.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://seclists.org/fulldisclosure/2021/Jul/48\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://downloads.digium.com/pub/security/AST-2021-007.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://issues.asterisk.org/jira/browse/ASTERISK-29381\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Vendor Advisory\"]},{\"url\":\"http://downloads.asterisk.org/pub/security/AST-2021-007.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://packetstormsecurity.com/files/163638/Asterisk-Project-Security-Advisory-AST-2021-007.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://seclists.org/fulldisclosure/2021/Jul/48\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://downloads.digium.com/pub/security/AST-2021-007.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://issues.asterisk.org/jira/browse/ASTERISK-29381\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.