CNVD-2015-04986

Vulnerability from cnvd - Published: 2015-07-28
VLAI Severity ?
Title
Cisco IOS和IOS XE Software拒绝服务漏洞（CNVD-2015-04986）
Description
Cisco IOS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。 Cisco IOS和IOS XE Software的TFTP服务器中存在安全漏洞，该漏洞源于程序处理TFTP请求时没有正确管理内存。远程攻击者可利用该漏洞造成拒绝服务（设备挂起或重载）。
Severity
高
Patch Name
Cisco IOS和IOS XE Software拒绝服务漏洞（CNVD-2015-04986）的补丁
Patch Description
Cisco IOS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。Cisco IOS和IOS XE Software的TFTP服务器中存在安全漏洞，该漏洞源于程序处理TFTP请求时没有正确管理内存。远程攻击者可利用该漏洞造成拒绝服务（设备挂起或重载）。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

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150722-tftp

Reference
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150722-tftp
Impacted products
Name
['Cisco IOS XE 2.5.x', 'Cisco IOS XE 2.6.x', 'Cisco IOS 12.2(44)SQ1', 'Cisco IOS 12.2(33)XN1', 'Cisco IOS 12.4(25e)JAM1', 'Cisco IOS 12.4(25e)JAO5m', 'Cisco IOS 12.4(23)JY', 'Cisco IOS 15.0(2)ED1', 'Cisco IOS 15.0(2)EY3', 'Cisco IOS 15.1(3)SVF4a', 'Cisco IOS 15.2(2)JB1', 'Cisco IOS XE 3.5.xS(<3.6.0S)', 'Cisco IOS XE 3.1.xSG', 'Cisco IOS XE 3.2.xSG', 'Cisco IOS XE 3.3.xSG(<3.4.0SG)', 'Cisco IOS XE 3.2.xSE(<3.3.0SE)', 'Cisco IOS XE 3.2.xXO(<3.3.0XO)', 'Cisco IOS XE 3.2.xSQ', 'Cisco IOS XE 3.3.xSQ', 'Cisco IOS XE 3.4.xSQ']
Show details on source website
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{
  "bids": {
    "bid": {
      "bidNumber": "75995"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-0681"
    }
  },
  "description": "Cisco IOS\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\u3002\r\n\r\nCisco IOS\u548cIOS XE Software\u7684TFTP\u670d\u52a1\u5668\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5904\u7406TFTP\u8bf7\u6c42\u65f6\u6ca1\u6709\u6b63\u786e\u7ba1\u7406\u5185\u5b58\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8bbe\u5907\u6302\u8d77\u6216\u91cd\u8f7d\uff09\u3002",
  "discovererName": "Cisco",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150722-tftp",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-04986",
  "openTime": "2015-07-28",
  "patchDescription": "Cisco IOS\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\u3002Cisco IOS\u548cIOS XE Software\u7684TFTP\u670d\u52a1\u5668\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5904\u7406TFTP\u8bf7\u6c42\u65f6\u6ca1\u6709\u6b63\u786e\u7ba1\u7406\u5185\u5b58\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8bbe\u5907\u6302\u8d77\u6216\u91cd\u8f7d\uff09\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-2015-04986\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Cisco IOS XE 2.5.x",
      "Cisco IOS XE 2.6.x",
      "Cisco IOS 12.2(44)SQ1",
      "Cisco IOS 12.2(33)XN1",
      "Cisco IOS 12.4(25e)JAM1",
      "Cisco IOS 12.4(25e)JAO5m",
      "Cisco IOS 12.4(23)JY",
      "Cisco IOS 15.0(2)ED1",
      "Cisco IOS 15.0(2)EY3",
      "Cisco IOS 15.1(3)SVF4a",
      "Cisco IOS 15.2(2)JB1",
      "Cisco IOS XE 3.5.xS(\u003c3.6.0S)",
      "Cisco IOS XE 3.1.xSG",
      "Cisco IOS XE 3.2.xSG",
      "Cisco IOS XE 3.3.xSG(\u003c3.4.0SG)",
      "Cisco IOS XE 3.2.xSE(\u003c3.3.0SE)",
      "Cisco IOS XE 3.2.xXO(\u003c3.3.0XO)",
      "Cisco IOS XE 3.2.xSQ",
      "Cisco IOS XE 3.3.xSQ",
      "Cisco IOS XE 3.4.xSQ"
    ]
  },
  "referenceLink": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150722-tftp",
  "serverity": "\u9ad8",
  "submitTime": "2015-07-24",
  "title": "Cisco IOS\u548cIOS XE Software\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2015-04986\uff09"
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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