CNVD-2019-01903

Vulnerability from cnvd - Published: 2019-01-18
VLAI
Title
Cisco IOS和IOS XE Software拒绝服务漏洞(CNVD-2019-01903)
Description
Cisco IOS Software和IOS XE Software都是美国思科(Cisco)公司为其网络设备开发的操作系统。TACACS+是其中的一个终端访问控制子系统。 Cisco IOS Software和IOS XE Software中的TACACS+客户端子系统存在输入验证漏洞,该漏洞源于受影响的软件未能正确地处理特制的TACACS+响应数据包。远程攻击者可通过向受影响设备和TACACS+服务器之间已存在的TACACS+会话注入特制的TACACS+数据包或伪造已知有效的TACACS+服务器并向受影响的系统发送特制的TACACS+数据包利用该漏洞造成受影响的设备重载,导致拒绝服务。
Severity
Patch Name
Cisco IOS和IOS XE Software拒绝服务漏洞(CNVD-2019-01903)的补丁
Patch Description
Cisco IOS Software和IOS XE Software都是美国思科(Cisco)公司为其网络设备开发的操作系统。TACACS+是其中的一个终端访问控制子系统。 Cisco IOS Software和IOS XE Software中的TACACS+客户端子系统存在输入验证漏洞,该漏洞源于受影响的软件未能正确地处理特制的TACACS+响应数据包。远程攻击者可通过向受影响设备和TACACS+服务器之间已存在的TACACS+会话注入特制的TACACS+数据包或伪造已知有效的TACACS+服务器并向受影响的系统发送特制的TACACS+数据包利用该漏洞造成受影响的设备重载,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

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-20180926-tacplus

Reference
https://www.securityfocus.com/bid/105426
Impacted products
Name
['Cisco IOS', 'Cisco IOS XE Software 0']
Show details on source website

{
  "bids": {
    "bid": {
      "bidNumber": "105426"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-15369",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15369"
    }
  },
  "description": "Cisco IOS Software\u548cIOS XE Software\u90fd\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002TACACS+\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u7ec8\u7aef\u8bbf\u95ee\u63a7\u5236\u5b50\u7cfb\u7edf\u3002\n\nCisco IOS Software\u548cIOS XE Software\u4e2d\u7684TACACS+\u5ba2\u6237\u7aef\u5b50\u7cfb\u7edf\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u53d7\u5f71\u54cd\u7684\u8f6f\u4ef6\u672a\u80fd\u6b63\u786e\u5730\u5904\u7406\u7279\u5236\u7684TACACS+\u54cd\u5e94\u6570\u636e\u5305\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5411\u53d7\u5f71\u54cd\u8bbe\u5907\u548cTACACS+\u670d\u52a1\u5668\u4e4b\u95f4\u5df2\u5b58\u5728\u7684TACACS+\u4f1a\u8bdd\u6ce8\u5165\u7279\u5236\u7684TACACS+\u6570\u636e\u5305\u6216\u4f2a\u9020\u5df2\u77e5\u6709\u6548\u7684TACACS+\u670d\u52a1\u5668\u5e76\u5411\u53d7\u5f71\u54cd\u7684\u7cfb\u7edf\u53d1\u9001\u7279\u5236\u7684TACACS+\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u53d7\u5f71\u54cd\u7684\u8bbe\u5907\u91cd\u8f7d\uff0c\u5bfc\u81f4\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-20180926-tacplus",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-01903",
  "openTime": "2019-01-18",
  "patchDescription": "Cisco IOS Software\u548cIOS XE Software\u90fd\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002TACACS+\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u7ec8\u7aef\u8bbf\u95ee\u63a7\u5236\u5b50\u7cfb\u7edf\u3002\r\n\r\nCisco IOS Software\u548cIOS XE Software\u4e2d\u7684TACACS+\u5ba2\u6237\u7aef\u5b50\u7cfb\u7edf\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u53d7\u5f71\u54cd\u7684\u8f6f\u4ef6\u672a\u80fd\u6b63\u786e\u5730\u5904\u7406\u7279\u5236\u7684TACACS+\u54cd\u5e94\u6570\u636e\u5305\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5411\u53d7\u5f71\u54cd\u8bbe\u5907\u548cTACACS+\u670d\u52a1\u5668\u4e4b\u95f4\u5df2\u5b58\u5728\u7684TACACS+\u4f1a\u8bdd\u6ce8\u5165\u7279\u5236\u7684TACACS+\u6570\u636e\u5305\u6216\u4f2a\u9020\u5df2\u77e5\u6709\u6548\u7684TACACS+\u670d\u52a1\u5668\u5e76\u5411\u53d7\u5f71\u54cd\u7684\u7cfb\u7edf\u53d1\u9001\u7279\u5236\u7684TACACS+\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u53d7\u5f71\u54cd\u7684\u8bbe\u5907\u91cd\u8f7d\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\u548cIOS XE Software\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2019-01903\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Cisco IOS",
      "Cisco IOS XE Software 0"
    ]
  },
  "referenceLink": "https://www.securityfocus.com/bid/105426",
  "serverity": "\u9ad8",
  "submitTime": "2018-10-16",
  "title": "Cisco IOS\u548cIOS XE Software\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2019-01903\uff09"
}



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