cnvd-2019-08719
Vulnerability from cnvd
Title
Cisco ASR 900 Cisco IOS XE输入验证漏洞
Description
Cisco ASR 900是美国思科（Cisco）公司的一款900系列聚合服务路由器。Cisco IOS XE是一套为Cisco网络设备开发的操作系统。 Cisco ASR 900（Route Switch Processor 3 ）中的Cisco IOS XE存在输入验证漏洞，该漏洞源于程序未能充分地验证输入的流量，当设备配置有OSPFv2路由和OSPF Message Digest 5 (MD5)加密认证时，攻击者可通过发送畸形的OSPFv2消息利用该漏洞重新加载iosd进程，造成拒绝服务。
Severity
中
Patch Name
Cisco ASR 900 Cisco IOS XE输入验证漏洞的补丁
Patch Description
Cisco ASR 900是美国思科（Cisco）公司的一款900系列聚合服务路由器。Cisco IOS XE是一套为Cisco网络设备开发的操作系统。 Cisco ASR 900（Route Switch Processor 3 ）中的Cisco IOS XE存在输入验证漏洞，该漏洞源于程序未能充分地验证输入的流量，当设备配置有OSPFv2路由和OSPF Message Digest 5 (MD5)加密认证时，攻击者可通过发送畸形的OSPFv2消息利用该漏洞重新加载iosd进程，造成拒绝服务。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

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-rsp3-ospf

Reference
https://nvd.nist.gov/vuln/detail/CVE-2019-1749 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-rsp3-ospf
Impacted products
Name
Cisco Cisco IOS XE（for ASR 900）
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-1749"
    }
  },
  "description": "Cisco ASR 900\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u6b3e900\u7cfb\u5217\u805a\u5408\u670d\u52a1\u8def\u7531\u5668\u3002Cisco IOS XE\u662f\u4e00\u5957\u4e3aCisco\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nCisco ASR 900\uff08Route Switch Processor 3 \uff09\u4e2d\u7684Cisco IOS XE\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u5145\u5206\u5730\u9a8c\u8bc1\u8f93\u5165\u7684\u6d41\u91cf\uff0c\u5f53\u8bbe\u5907\u914d\u7f6e\u6709OSPFv2\u8def\u7531\u548cOSPF Message Digest 5 (MD5)\u52a0\u5bc6\u8ba4\u8bc1\u65f6\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7578\u5f62\u7684OSPFv2\u6d88\u606f\u5229\u7528\u8be5\u6f0f\u6d1e\u91cd\u65b0\u52a0\u8f7diosd\u8fdb\u7a0b\uff0c\u9020\u6210\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-rsp3-ospf",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-08719",
  "openTime": "2019-03-28",
  "patchDescription": "Cisco ASR 900\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u6b3e900\u7cfb\u5217\u805a\u5408\u670d\u52a1\u8def\u7531\u5668\u3002Cisco IOS XE\u662f\u4e00\u5957\u4e3aCisco\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nCisco ASR 900\uff08Route Switch Processor 3 \uff09\u4e2d\u7684Cisco IOS XE\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u5145\u5206\u5730\u9a8c\u8bc1\u8f93\u5165\u7684\u6d41\u91cf\uff0c\u5f53\u8bbe\u5907\u914d\u7f6e\u6709OSPFv2\u8def\u7531\u548cOSPF Message Digest 5 (MD5)\u52a0\u5bc6\u8ba4\u8bc1\u65f6\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7578\u5f62\u7684OSPFv2\u6d88\u606f\u5229\u7528\u8be5\u6f0f\u6d1e\u91cd\u65b0\u52a0\u8f7diosd\u8fdb\u7a0b\uff0c\u9020\u6210\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 ASR 900 Cisco IOS XE\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Cisco Cisco IOS XE\uff08for ASR 900\uff09"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-1749\r\nhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-rsp3-ospf",
  "serverity": "\u4e2d",
  "submitTime": "2019-03-28",
  "title": "Cisco ASR 900 Cisco IOS XE\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e"
}


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