cnvd-2019-43820
Vulnerability from cnvd
Title
Cisco IOS XR访问控制错误漏洞
Description
Cisco IOS XR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 XR 6.5.1版本和6.5.2版本中的NETCONF over Secure Shell (SSH) 的访问控制逻辑存在访问控制错误漏洞，该漏洞源于NETCONF over SSH访问列表缺少安检查。攻击者可利用该漏洞连接到设备上。
Severity
中
Patch Name
Cisco IOS XR访问控制错误漏洞的补丁
Patch Description
Cisco IOS XR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 XR 6.5.1版本和6.5.2版本中的NETCONF over Secure Shell (SSH) 的访问控制逻辑存在访问控制错误漏洞，该漏洞源于NETCONF over SSH访问列表缺少安检查。攻击者可利用该漏洞连接到设备上。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。
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-20191120-iosxr-ssh-bypass

Reference
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191120-iosxr-ssh-bypass
Impacted products
Name
['Cisco IOS XR 6.5.2', 'Cisco IOS XR 6.5.1']
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-15998"
    }
  },
  "description": "Cisco IOS XR\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 XR 6.5.1\u7248\u672c\u548c6.5.2\u7248\u672c\u4e2d\u7684NETCONF over Secure Shell (SSH) \u7684\u8bbf\u95ee\u63a7\u5236\u903b\u8f91\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eNETCONF over SSH\u8bbf\u95ee\u5217\u8868\u7f3a\u5c11\u5b89\u68c0\u67e5\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8fde\u63a5\u5230\u8bbe\u5907\u4e0a\u3002",
  "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-20191120-iosxr-ssh-bypass",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-43820",
  "openTime": "2019-12-04",
  "patchDescription": "Cisco IOS XR\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 XR 6.5.1\u7248\u672c\u548c6.5.2\u7248\u672c\u4e2d\u7684NETCONF over Secure Shell (SSH) \u7684\u8bbf\u95ee\u63a7\u5236\u903b\u8f91\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eNETCONF over SSH\u8bbf\u95ee\u5217\u8868\u7f3a\u5c11\u5b89\u68c0\u67e5\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8fde\u63a5\u5230\u8bbe\u5907\u4e0a\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 XR\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Cisco IOS XR    6.5.2",
      "Cisco IOS XR    6.5.1"
    ]
  },
  "referenceLink": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191120-iosxr-ssh-bypass",
  "serverity": "\u4e2d",
  "submitTime": "2019-11-21",
  "title": "Cisco IOS XR\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e"
}


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