Vulnerability-Lookup

CNVD-2017-32489

Vulnerability from cnvd - Published: 2017-11-02

Title

Cisco IOS XR Software拒绝服务漏洞（CNVD-2017-32489）

Description

Cisco Network Convergence System (NCS) 5500 Series Routers是美国思科（Cisco）公司的一款5500 Series系列路由器。IOS XR Software是其中的一套模块化、分布式的网络操作系统。 Cisco NCS 5500 Series Routers中的IOS XR Software的gRPC代码存在拒绝服务漏洞，该漏洞源于程序无法处理HTTP/2数据包。远程攻击者可利用该漏洞造成拒绝服务。

Severity

中

Patch Name

Cisco IOS XR Software拒绝服务漏洞（CNVD-2017-32489）的补丁

Patch Description

Formal description

用户可参考如下厂商提供的安全补丁以修复该漏洞： https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-ncs

Reference

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-ncs http://www.securityfocus.com/bid/101171

Impacted products

Name
Cisco IOS XE Software 0

Show details on source website

JSON

To clipboard

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    "bid": {
      "bidNumber": "101171"
    }
  },
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    "cve": {
      "cveNumber": "CVE-2017-12270"
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  "description": "Cisco Network Convergence System (NCS) 5500 Series Routers\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u6b3e5500 Series\u7cfb\u5217\u8def\u7531\u5668\u3002IOS XR Software\u662f\u5176\u4e2d\u7684\u4e00\u5957\u6a21\u5757\u5316\u3001\u5206\u5e03\u5f0f\u7684\u7f51\u7edc\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nCisco NCS 5500 Series Routers\u4e2d\u7684IOS XR Software\u7684gRPC\u4ee3\u7801\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u65e0\u6cd5\u5904\u7406HTTP/2\u6570\u636e\u5305\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Cisco",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-32489",
  "openTime": "2017-11-02",
  "patchDescription": "Cisco Network Convergence System (NCS) 5500 Series Routers\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u6b3e5500 Series\u7cfb\u5217\u8def\u7531\u5668\u3002IOS XR Software\u662f\u5176\u4e2d\u7684\u4e00\u5957\u6a21\u5757\u5316\u3001\u5206\u5e03\u5f0f\u7684\u7f51\u7edc\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nCisco NCS 5500 Series Routers\u4e2d\u7684IOS XR Software\u7684gRPC\u4ee3\u7801\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u65e0\u6cd5\u5904\u7406HTTP/2\u6570\u636e\u5305\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002\r\n\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 XR Software\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-32489\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Cisco IOS XE Software 0"
  },
  "referenceLink": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-ncs\r\nhttp://www.securityfocus.com/bid/101171",
  "serverity": "\u4e2d",
  "submitTime": "2017-10-09",
  "title": "Cisco IOS XR Software\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-32489\uff09"
}

CVE-2017-12270 (GCVE-0-2017-12270)

Vulnerability from cvelistv5 – Published: 2017-10-05 07:00 – Updated: 2024-08-05 18:36

Summary

A vulnerability in the gRPC code of Cisco IOS XR Software for Cisco Network Convergence System (NCS) 5500 Series Routers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition when the emsd service stops. The vulnerability is due to the software's inability to process HTTP/2 packets. An attacker could exploit this vulnerability by sending a malformed HTTP/2 frame to the affected device. A successful exploit could allow the attacker to create a DoS condition when the emsd service stops. Cisco Bug IDs: CSCvb99388.

Severity

No CVSS data available.

CWE

CWE-119

Assigner

cisco mitre root Scorecard

References

3 references

URL	Tags
http://www.securityfocus.com/bid/101171	vdb-entryx_refsource_BID
https://tools.cisco.com/security/center/content/C…	x_refsource_CONFIRM
http://www.securitytracker.com/id/1039504	vdb-entryx_refsource_SECTRACK

Impacted products

1 product

Vendor	Product	Version
n/a	Cisco IOS XR	Affected: Cisco IOS XR

Date Public

2017-10-05 00:00

Show details on NVD website

JSON

To clipboard

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          },
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            ],
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-ncs"
          },
          {
            "name": "1039504",
            "tags": [
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          "vendor": "n/a",
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            }
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        }
      ],
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          ],
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                    {
                      "product_name": "Cisco IOS XR",
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            },
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            }
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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.

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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Action not permitted

CNVD-2017-32489

CVE-2017-12270 (GCVE-0-2017-12270)

Tags

Sightings

Nomenclature

Related by attack behaviour