Vulnerability-Lookup

CNVD-2018-14579

Vulnerability from cnvd - Published: 2018-08-03

Title

Cisco Nexus 3000和9000 Series Switches NX-OS拒绝服务漏洞

Description

Cisco Nexus 3000和9000 Series Switches都是美国思科（Cisco）公司的不同系列的交换机设备。NX-OS是运行在其中的一套交换机使用的数据中心级操作系统软件。 Cisco Nexus 3000和9000 Series Switches中的NX-OS(在standalone NX-OS模式下)的CLI命令及相关联的Simple Network Management Protocol (SNMP) MIB的实现存在拒绝服务漏洞，该漏洞源于程序未能正确的实现CLI命令。远程攻击者可通过对受影响的设备进行身份验证并重复的发布CLI命令或SNMP轮询请求利用该漏洞造成系统内存耗尽。

Severity

高

Patch Name

Cisco Nexus 3000和9000 Series Switches NX-OS拒绝服务漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-n3k-n9k-clisnmp

Reference

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-n3k-n9k-clisnmp

Impacted products

Name
['Cisco Nexus 3000 Series Switche', 'Cisco Nexus 9000 Series Switches']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-0309",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0309"
    }
  },
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  "discovererName": "Cisco",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-n3k-n9k-clisnmp",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-14579",
  "openTime": "2018-08-03",
  "patchDescription": "Cisco Nexus 3000\u548c9000 Series Switches\u90fd\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e0d\u540c\u7cfb\u5217\u7684\u4ea4\u6362\u673a\u8bbe\u5907\u3002NX-OS\u662f\u8fd0\u884c\u5728\u5176\u4e2d\u7684\u4e00\u5957\u4ea4\u6362\u673a\u4f7f\u7528\u7684\u6570\u636e\u4e2d\u5fc3\u7ea7\u64cd\u4f5c\u7cfb\u7edf\u8f6f\u4ef6\u3002\r\n\r\nCisco Nexus 3000\u548c9000 Series Switches\u4e2d\u7684NX-OS(\u5728standalone NX-OS\u6a21\u5f0f\u4e0b)\u7684CLI\u547d\u4ee4\u53ca\u76f8\u5173\u8054\u7684Simple Network Management Protocol (SNMP) MIB\u7684\u5b9e\u73b0\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u5b9e\u73b0CLI\u547d\u4ee4\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5bf9\u53d7\u5f71\u54cd\u7684\u8bbe\u5907\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u5e76\u91cd\u590d\u7684\u53d1\u5e03CLI\u547d\u4ee4\u6216SNMP\u8f6e\u8be2\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u7cfb\u7edf\u5185\u5b58\u8017\u5c3d\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 Nexus 3000\u548c9000 Series Switches NX-OS\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Cisco Nexus 3000 Series Switche",
      "Cisco Nexus 9000 Series Switches"
    ]
  },
  "referenceLink": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-n3k-n9k-clisnmp",
  "serverity": "\u9ad8",
  "submitTime": "2018-06-26",
  "title": "Cisco Nexus 3000\u548c9000 Series Switches NX-OS\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2018-0309 (GCVE-0-2018-0309)

Vulnerability from cvelistv5 – Published: 2018-06-21 11:00 – Updated: 2024-11-29 14:58

Summary

A vulnerability in the implementation of a specific CLI command and the associated Simple Network Management Protocol (SNMP) MIB for Cisco NX-OS (in standalone NX-OS mode) on Cisco Nexus 3000 and 9000 Series Switches could allow an authenticated, remote attacker to exhaust system memory on an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to the incorrect implementation of the CLI command, resulting in a failure to free all allocated memory upon completion. An attacker could exploit this vulnerability by authenticating to the affected device and repeatedly issuing a specific CLI command or sending a specific SNMP poll request for a specific Object Identifier (OID). A successful exploit could allow the attacker to cause the IP routing process to restart or to cause a device reset, resulting in a DoS condition. Cisco Bug IDs: CSCvf23136.

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-11-29 14:37 UTC

CWE

CWE-400

Assigner

cisco mitre root

References

2 references

URL	Tags
https://tools.cisco.com/security/center/content/C…	x_refsource_CONFIRM
http://www.securitytracker.com/id/1041169	vdb-entryx_refsource_SECTRACK

Impacted products

1 product

Vendor	Product	Version
n/a	Cisco Nexus 3000 and 9000 unknown	Affected: Cisco Nexus 3000 and 9000 unknown

Date Public

2018-06-21 00:00

Show details on NVD website

JSON

To clipboard

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          },
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          }
        ],
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      {
        "metrics": [
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                "id": "CVE-2018-0309",
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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.

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.