CVE-2019-12646
Vulnerability from cvelistv5
Published
2019-09-25 20:00
Modified
2024-09-16 19:14
Severity ?
8.6 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Summary
Cisco IOS XE Software NAT Session Initiation Protocol Application Layer Gateway Denial of Service Vulnerability
References
ykramarz@cisco.comhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-sip-algVendor Advisory
Impacted products
CiscoCisco IOS XE Software
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T23:24:39.257Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "20190925 Cisco IOS XE Software NAT Session Initiation Protocol Application Layer Gateway Denial of Service Vulnerability",
            "tags": [
              "vendor-advisory",
              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-sip-alg"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Cisco IOS XE Software",
          "vendor": "Cisco",
          "versions": [
            {
              "lessThan": "3.2.11aSG",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2019-09-25T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the Network Address Translation (NAT) Session Initiation Protocol (SIP) Application Layer Gateway (ALG) of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper processing of transient SIP packets on which NAT is performed on an affected device. An attacker could exploit this vulnerability by using UDP port 5060 to send crafted SIP packets through an affected device that is performing NAT for SIP packets. A successful exploit could allow an attacker to cause the device to reload, resulting in a denial of service (DoS) condition."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-399",
              "description": "CWE-399",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-09-25T20:00:16",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "20190925 Cisco IOS XE Software NAT Session Initiation Protocol Application Layer Gateway Denial of Service Vulnerability",
          "tags": [
            "vendor-advisory",
            "x_refsource_CISCO"
          ],
          "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-sip-alg"
        }
      ],
      "source": {
        "advisory": "cisco-sa-20190925-sip-alg",
        "defect": [
          [
            "CSCvn65912"
          ]
        ],
        "discovery": "INTERNAL"
      },
      "title": "Cisco IOS XE Software NAT Session Initiation Protocol Application Layer Gateway Denial of Service Vulnerability",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@cisco.com",
          "DATE_PUBLIC": "2019-09-25T16:00:00-0700",
          "ID": "CVE-2019-12646",
          "STATE": "PUBLIC",
          "TITLE": "Cisco IOS XE Software NAT Session Initiation Protocol Application Layer Gateway Denial of Service Vulnerability"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Cisco IOS XE Software",
                      "version": {
                        "version_data": [
                          {
                            "affected": "\u003c",
                            "version_affected": "\u003c",
                            "version_value": "3.2.11aSG"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Cisco"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability in the Network Address Translation (NAT) Session Initiation Protocol (SIP) Application Layer Gateway (ALG) of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper processing of transient SIP packets on which NAT is performed on an affected device. An attacker could exploit this vulnerability by using UDP port 5060 to send crafted SIP packets through an affected device that is performing NAT for SIP packets. A successful exploit could allow an attacker to cause the device to reload, resulting in a denial of service (DoS) condition."
            }
          ]
        },
        "exploit": [
          {
            "lang": "en",
            "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
          }
        ],
        "impact": {
          "cvss": {
            "baseScore": "8.6",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-399"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "20190925 Cisco IOS XE Software NAT Session Initiation Protocol Application Layer Gateway Denial of Service Vulnerability",
              "refsource": "CISCO",
              "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-sip-alg"
            }
          ]
        },
        "source": {
          "advisory": "cisco-sa-20190925-sip-alg",
          "defect": [
            [
              "CSCvn65912"
            ]
          ],
          "discovery": "INTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2019-12646",
    "datePublished": "2019-09-25T20:00:16.150020Z",
    "dateReserved": "2019-06-04T00:00:00",
    "dateUpdated": "2024-09-16T19:14:40.922Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2019-12646\",\"sourceIdentifier\":\"ykramarz@cisco.com\",\"published\":\"2019-09-25T20:15:10.353\",\"lastModified\":\"2023-05-22T18:57:24.750\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the Network Address Translation (NAT) Session Initiation Protocol (SIP) Application Layer Gateway (ALG) of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper processing of transient SIP packets on which NAT is performed on an affected device. An attacker could exploit this vulnerability by using UDP port 5060 to send crafted SIP packets through an affected device that is performing NAT for SIP packets. A successful exploit could allow an attacker to cause the device to reload, resulting in a denial of service (DoS) condition.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en el Network Address Translation (NAT) Session Initiation Protocol (SIP) Application Layer Gateway (ALG) del Software Cisco IOS XE, podr\u00eda permitir a un atacante remoto no autenticado causar que un dispositivo afectado se recargue. La vulnerabilidad es debido al procesamiento inapropiado de paquetes SIP transitorios en los que se realiza NAT en un dispositivo afectado. Un atacante podr\u00eda explotar esta vulnerabilidad utilizando el puerto UDP 5060 para enviar paquetes SIP dise\u00f1ados por medio de un dispositivo afectado que est\u00e1 realizando NAT para paquetes SIP. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir a un atacante causar que el dispositivo se recargue, conllevando a una condici\u00f3n de denegaci\u00f3n de servicio (DoS).\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV30\":[{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.6,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":4.0}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:C\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\",\"baseScore\":7.8},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-665\"}]},{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-399\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:15.4\\\\(3\\\\)s:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7E142E50-BDDB-4F49-8270-CB7E2D3C815C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:15.5\\\\(3\\\\)s:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E64CE383-D9D5-45EF-9E68-E048D8DD9231\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:15.6\\\\(1\\\\)s:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6A4A987C-C8E2-4193-9D92-9D97D4A1CE8C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.3.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"296636F1-9242-429B-8472-90352C056106\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.4.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"77E8AF15-AB46-4EAB-8872-8C55E8601599\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.5.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FE7B2557-821D-4E05-B5C3-67192573D97D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.6.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F821EBD7-91E2-4460-BFAF-18482CF6CB8C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.7.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"623BF701-ADC9-4F24-93C5-043A6A7FEF5F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.8.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"57D4F634-03D5-4D9F-901C-7E9CE45F2F38\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.9.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"119A964D-ABC8-424D-8097-85B832A833BD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.10.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DB6BD18B-B9BD-452F-986E-16A6668E46B6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.11.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E91F8704-6DAD-474A-84EA-04E4AF7BB9B1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:16.12.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C98DED36-D4B5-48D6-964E-EEEE97936700\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:1100-4p:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AA8D5057-138A-42C4-BA35-8077A0A60068\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:1100-8p:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"ED555B12-41F4-4D62-B519-22601FB7AF8D\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:1101-4p:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"21B10158-5235-483E-BACD-C407609EA6BE\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:1109-2p:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8964F9BA-6E6C-44BF-9A8C-93D081B6678C\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:1109-4p:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"51251FE1-67D2-4903-B7D3-E0C727B9A93C\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:1111x-8p:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"784E4562-FE26-4049-9D23-4CA46432EE14\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:4221_integrated_services_router:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6C8AED7C-DDA3-4C29-BB95-6518C02C551A\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:4331_integrated_services_router:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5419CB9F-241F-4431-914F-2659BE27BEA5\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:csr_1000v:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BF8B0B49-2C99-410B-B011-5B821C5992FB\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:encs_5100:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"678F3A32-372A-441E-8115-95181FBAF628\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:encs_5400:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"01AE8153-6C23-46AB-BEAA-A6F27FDFEED7\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:isrv:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DA48CFE9-2791-40D2-9F33-763C97F7D988\"}]}]}],\"references\":[{\"url\":\"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-sip-alg\",\"source\":\"ykramarz@cisco.com\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




  • 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.