cnvd-2018-05304
Vulnerability from cnvd
Title
Cisco IOS XR Software拒绝服务漏洞（CNVD-2018-05304）
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forwarding information base (FIB)代码存在拒绝服务漏洞，该漏洞源于程序未能正确的处理超长的路由更新。远程攻击者可利用该漏洞造成FIB和RIB之间产生差异，导致拒绝服务。
Severity
中
Patch Name
Cisco IOS XR Software拒绝服务漏洞（CNVD-2018-05304）的补丁
Patch 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forwarding information base (FIB)代码存在拒绝服务漏洞，该漏洞源于程序未能正确的处理超长的路由更新。远程攻击者可利用该漏洞造成FIB和RIB之间产生差异，导致拒绝服务。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://bst.cloudapps.cisco.com/bugsearch/bug/CSCus84718

Reference
https://securitytracker.com/id/1040344 https://www.securityfocus.com/bid/102975
Impacted products
Name
Cisco IOS XR Software
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "102975"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-0132"
    }
  },
  "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\u7684forwarding information base (FIB)\u4ee3\u7801\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u5904\u7406\u8d85\u957f\u7684\u8def\u7531\u66f4\u65b0\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210FIB\u548cRIB\u4e4b\u95f4\u4ea7\u751f\u5dee\u5f02\uff0c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "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://bst.cloudapps.cisco.com/bugsearch/bug/CSCus84718",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-05304",
  "openTime": "2018-03-15",
  "patchDescription": "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\u7684forwarding information base (FIB)\u4ee3\u7801\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u5904\u7406\u8d85\u957f\u7684\u8def\u7531\u66f4\u65b0\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210FIB\u548cRIB\u4e4b\u95f4\u4ea7\u751f\u5dee\u5f02\uff0c\u5bfc\u81f4\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 IOS XR Software\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-05304\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Cisco IOS XR Software"
  },
  "referenceLink": "https://securitytracker.com/id/1040344\r\nhttps://www.securityfocus.com/bid/102975",
  "serverity": "\u4e2d",
  "submitTime": "2018-02-08",
  "title": "Cisco IOS XR Software\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-05304\uff09"
}


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