Vulnerability-Lookup

CNVD-2016-08560

Vulnerability from cnvd - Published: 2016-10-10

Title

Cisco IOS XR Software拒绝服务漏洞（CNVD-2016-08560）

Description

Cisco IOS XR Software是美国思科（Cisco）公司的IOS软件系列（包括IOS T、IOS S和IOS XR）中的一套完全模块化、分布式的网络操作系统。 Cisco IOS XR Software中的Open Shortest Path First Link State Advertisement功能的实现过程存在拒绝服务漏洞。远程攻击者可通过发送OSPF LSA更新到受影响的设备利用该漏洞造成OSPF程序重启，导致拒绝服务。

Severity

中

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： http://www.cisco.com/

Reference

http://www.securityfocus.com/bid/93212

Impacted products

Name
Cisco IOS XR Software

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "93212"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-6421"
    }
  },
  "description": "Cisco IOS XR Software\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684IOS\u8f6f\u4ef6\u7cfb\u5217\uff08\u5305\u62ecIOS T\u3001IOS S\u548cIOS XR\uff09\u4e2d\u7684\u4e00\u5957\u5b8c\u5168\u6a21\u5757\u5316\u3001\u5206\u5e03\u5f0f\u7684\u7f51\u7edc\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nCisco IOS XR Software\u4e2d\u7684Open Shortest Path First Link State Advertisement\u529f\u80fd\u7684\u5b9e\u73b0\u8fc7\u7a0b\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001OSPF LSA\u66f4\u65b0\u5230\u53d7\u5f71\u54cd\u7684\u8bbe\u5907\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210OSPF\u7a0b\u5e8f\u91cd\u542f\uff0c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Cisco",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a \r\nhttp://www.cisco.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-08560",
  "openTime": "2016-10-10",
  "products": {
    "product": "Cisco IOS XR Software"
  },
  "referenceLink": "http://www.securityfocus.com/bid/93212",
  "serverity": "\u4e2d",
  "submitTime": "2016-09-29",
  "title": "Cisco IOS XR Software\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-08560\uff09"
}

CVE-2016-6421 (GCVE-0-2016-6421)

Vulnerability from cvelistv5 – Published: 2016-10-05 20:00 – Updated: 2024-08-06 01:29

Summary

Cisco IOS XR 5.2.2 allows remote attackers to cause a denial of service (process restart) via a crafted OSPF Link State Advertisement (LSA) update, aka Bug ID CSCvb05643.

Severity

No CVSS data available.

CWE

Assigner

cisco mitre root

References

3 references

URL	Tags
http://tools.cisco.com/security/center/content/Ci…	vendor-advisoryx_refsource_CISCO
http://www.securityfocus.com/bid/93212	vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1036909	vdb-entryx_refsource_SECTRACK

Date Public

2016-09-28 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T01:29:20.026Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "20160928 Cisco IOS XR Software Open Shortest Path First Link State Advertisement Denial of Service Vulnerability",
            "tags": [
              "vendor-advisory",
              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-ospf"
          },
          {
            "name": "93212",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/93212"
          },
          {
            "name": "1036909",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1036909"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-09-28T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Cisco IOS XR 5.2.2 allows remote attackers to cause a denial of service (process restart) via a crafted OSPF Link State Advertisement (LSA) update, aka Bug ID CSCvb05643."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-07-29T09:57:01.000Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "20160928 Cisco IOS XR Software Open Shortest Path First Link State Advertisement Denial of Service Vulnerability",
          "tags": [
            "vendor-advisory",
            "x_refsource_CISCO"
          ],
          "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-ospf"
        },
        {
          "name": "93212",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/93212"
        },
        {
          "name": "1036909",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1036909"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@cisco.com",
          "ID": "CVE-2016-6421",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
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          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "lang": "eng",
              "value": "Cisco IOS XR 5.2.2 allows remote attackers to cause a denial of service (process restart) via a crafted OSPF Link State Advertisement (LSA) update, aka Bug ID CSCvb05643."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
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              "description": [
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                  "lang": "eng",
                  "value": "n/a"
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        "references": {
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            {
              "name": "20160928 Cisco IOS XR Software Open Shortest Path First Link State Advertisement Denial of Service Vulnerability",
              "refsource": "CISCO",
              "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-ospf"
            },
            {
              "name": "93212",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/93212"
            },
            {
              "name": "1036909",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1036909"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2016-6421",
    "datePublished": "2016-10-05T20:00:00.000Z",
    "dateReserved": "2016-07-26T00:00:00.000Z",
    "dateUpdated": "2024-08-06T01:29:20.026Z",
    "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.

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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.

Action not permitted

CNVD-2016-08560

CVE-2016-6421 (GCVE-0-2016-6421)

Tags

Sightings

Nomenclature

Related by attack behaviour