Vulnerability-Lookup

CNVD-2019-08717

Vulnerability from cnvd - Published: 2019-03-29

Title

Cisco IOS和IOS XE输入验证漏洞（CNVD-2019-08717）

Description

Cisco IOS和IOS XE都是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。 Cisco IOS和IOS XE中的Network-Based Application Recognition (NBAR)功能存在输入验证漏洞，该漏洞源于程序存在解析问题，远程攻击者可通过发送特制的DNS数据包利用该漏洞造成受影响的设备重新加载，导致拒绝服务。

Severity

高

Patch Name

Cisco IOS和IOS XE输入验证漏洞（CNVD-2019-08717）的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar

Reference

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar

Impacted products

Name
['Cisco IOS XE', 'Cisco IOS']

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "107597"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-1739"
    }
  },
  "description": "Cisco IOS\u548cIOS XE\u90fd\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u5957\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nCisco IOS\u548cIOS XE\u4e2d\u7684Network-Based Application Recognition (NBAR)\u529f\u80fd\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5b58\u5728\u89e3\u6790\u95ee\u9898\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7279\u5236\u7684DNS\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u53d7\u5f71\u54cd\u7684\u8bbe\u5907\u91cd\u65b0\u52a0\u8f7d\uff0c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Cisco",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-08717",
  "openTime": "2019-03-29",
  "patchDescription": "Cisco IOS\u548cIOS XE\u90fd\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u5957\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nCisco IOS\u548cIOS XE\u4e2d\u7684Network-Based Application Recognition (NBAR)\u529f\u80fd\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5b58\u5728\u89e3\u6790\u95ee\u9898\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7279\u5236\u7684DNS\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u53d7\u5f71\u54cd\u7684\u8bbe\u5907\u91cd\u65b0\u52a0\u8f7d\uff0c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Cisco IOS\u548cIOS XE\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\uff08CNVD-2019-08717\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Cisco IOS XE",
      "Cisco IOS"
    ]
  },
  "referenceLink": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar",
  "serverity": "\u9ad8",
  "submitTime": "2019-03-28",
  "title": "Cisco IOS\u548cIOS XE\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\uff08CNVD-2019-08717\uff09"
}

CVE-2019-1739 (GCVE-0-2019-1739)

Vulnerability from cvelistv5 – Published: 2019-03-27 23:20 – Updated: 2024-09-16 20:07

Title

Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerabilities

Summary

A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability is due to a parsing issue on DNS packets. An attacker could exploit this vulnerability by sending crafted DNS packets through routers that are running an affected version and have NBAR enabled. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.

Severity

8.6 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CWE

CWE-20

Assigner

cisco mitre root

References

2 references

URL	Tags
https://tools.cisco.com/security/center/content/C…	vendor-advisoryx_refsource_CISCO
http://www.securityfocus.com/bid/107597	vdb-entryx_refsource_BID

Impacted products

1 product

Vendor	Product	Version
Cisco	Cisco IOS and Cisco IOS-XE Software	Affected: 3.16.0S Affected: 3.16.1S Affected: 3.16.0aS Affected: 3.16.1aS Affected: 3.16.2S Affected: 3.16.2aS Affected: 3.16.0bS Affected: 3.16.0cS Affected: 3.16.3S Affected: 3.16.2bS Affected: 3.16.3aS Affected: 3.16.4S Affected: 3.16.4aS Affected: 3.16.4bS Affected: 3.16.4gS Affected: 3.16.5S Affected: 3.16.4cS Affected: 3.16.4dS Affected: 3.16.4eS Affected: 3.16.5aS Affected: 3.17.0S Affected: 3.17.1S Affected: 3.17.2S Affected: 3.17.1aS Affected: 3.17.3S Affected: 3.17.4S Affected: 3.2.0JA Affected: 16.2.1 Affected: 16.2.2 Affected: 16.3.1 Affected: 16.3.2 Affected: 16.3.3 Affected: 16.3.1a Affected: 16.3.4 Affected: 16.4.1 Affected: 16.4.2 Affected: 16.4.3 Affected: 16.5.1 Affected: 16.5.1a Affected: 16.5.1b Affected: 3.18.0aS Affected: 3.18.0S Affected: 3.18.1S Affected: 3.18.2S Affected: 3.18.3S Affected: 3.18.4S Affected: 3.18.0SP Affected: 3.18.1SP Affected: 3.18.1aSP Affected: 3.18.1gSP Affected: 3.18.1bSP Affected: 3.18.1cSP Affected: 3.18.2SP Affected: 3.18.1hSP Affected: 3.18.2aSP Affected: 3.18.1iSP

Date Public

2019-03-27 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T18:28:42.964Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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          },
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            ],
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          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
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          "product": "Cisco IOS and Cisco IOS-XE Software",
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            {
              "status": "affected",
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            },
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            },
            {
              "status": "affected",
              "version": "3.16.1aS"
            },
            {
              "status": "affected",
              "version": "3.16.2S"
            },
            {
              "status": "affected",
              "version": "3.16.2aS"
            },
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              "version": "3.16.0bS"
            },
            {
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            },
            {
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            },
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              "version": "3.16.2bS"
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              "status": "affected",
              "version": "3.16.4S"
            },
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            },
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            },
            {
              "status": "affected",
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            },
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            },
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              "version": "16.2.2"
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            },
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            {
              "status": "affected",
              "version": "16.3.4"
            },
            {
              "status": "affected",
              "version": "16.4.1"
            },
            {
              "status": "affected",
              "version": "16.4.2"
            },
            {
              "status": "affected",
              "version": "16.4.3"
            },
            {
              "status": "affected",
              "version": "16.5.1"
            },
            {
              "status": "affected",
              "version": "16.5.1a"
            },
            {
              "status": "affected",
              "version": "16.5.1b"
            },
            {
              "status": "affected",
              "version": "3.18.0aS"
            },
            {
              "status": "affected",
              "version": "3.18.0S"
            },
            {
              "status": "affected",
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            {
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              "version": "3.18.2SP"
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            {
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              "version": "3.18.1hSP"
            },
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        }
      ],
      "exploits": [
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          "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
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            "baseScore": 8.6,
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            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
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      ],
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            "CSCvc94856",
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      },
      "title": "Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerabilities",
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          "STATE": "PUBLIC",
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        },
        "affects": {
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                          },
                          {
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                          {
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                          {
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                          {
                            "version_affected": "=",
                            "version_value": "3.17.3S"
                          },
                          {
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                          },
                          {
                            "version_affected": "=",
                            "version_value": "3.2.0JA"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "16.2.1"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "16.2.2"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "16.3.1"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "16.3.2"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "16.3.3"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "16.3.1a"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "16.3.4"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "16.4.1"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "16.4.2"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "16.4.3"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "16.5.1"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "16.5.1a"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "16.5.1b"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "3.18.0aS"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "3.18.0S"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "3.18.1S"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "3.18.2S"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "3.18.3S"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "3.18.4S"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "3.18.0SP"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "3.18.1SP"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "3.18.1aSP"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "3.18.1gSP"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "3.18.1bSP"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "3.18.1cSP"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "3.18.2SP"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "3.18.1hSP"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "3.18.2aSP"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "3.18.1iSP"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Cisco"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability is due to a parsing issue on DNS packets. An attacker could exploit this vulnerability by sending crafted DNS packets through routers that are running an affected version and have NBAR enabled. A successful exploit could allow the attacker to cause the affected 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 vulnerabilities that are 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-20"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "20190327 Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerabilities",
              "refsource": "CISCO",
              "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar"
            },
            {
              "name": "107597",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/107597"
            }
          ]
        },
        "source": {
          "advisory": "cisco-sa-20190327-nbar",
          "defect": [
            [
              "CSCvb51688",
              "CSCvc94856",
              "CSCvc99155",
              "CSCvf01501"
            ]
          ],
          "discovery": "INTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2019-1739",
    "datePublished": "2019-03-27T23:20:12.539Z",
    "dateReserved": "2018-12-06T00:00:00.000Z",
    "dateUpdated": "2024-09-16T20:07:37.827Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.