CNVD-2016-12156

Vulnerability from cnvd - Published: 2016-12-13
VLAI
Title
Xen拒绝服务漏洞（CNVD-2016-12156）
Description
Xen是英国剑桥大学开发的一款开源的虚拟机监视器产品。该产品能够使不同和不兼容的操作系统运行在同一台计算机上，并支持在运行时进行迁移，保证正常运行并且避免宕机。 Xen存在拒绝服务漏洞。攻击者可利用此漏洞使主机崩溃，拒绝向合法用户提供服务。
Severity
中
Patch Name
Xen拒绝服务漏洞（CNVD-2016-12156）的补丁
Patch Description
Xen是英国剑桥大学开发的一款开源的虚拟机监视器产品。该产品能够使不同和不兼容的操作系统运行在同一台计算机上，并支持在运行时进行迁移，保证正常运行并且避免宕机。 Xen存在拒绝服务漏洞。攻击者可利用此漏洞使主机崩溃，拒绝向合法用户提供服务。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

用户可参考如下供应商提供的安全公告获得补丁信息： http://seclists.org/oss-sec/2016/q4/539

Reference
http://www.securityfocus.com/bid/94581
Impacted products
Name
['Xen Xen 4.2', 'Xen Xen 4.1', 'Xen Xen 4.0', 'Xen Xen 4.2.0', 'Xen Xen 4.4', 'Xen Xen 4.3', 'Xen Xen 4.0.4', 'Xen Xen 4.1.6.1', 'Xen Xen 4.2.3', 'Xen Xen 4.4.1', 'Xen Xen 4.6', 'Xen Xen 4.0.1', 'Xen Xen 4.5.0', 'Xen Xen 4.4.0', 'Xen Xen 4.3.1', 'Xen Xen 4.3.0', 'Xen Xen 4.2.2', 'Xen Xen 4.2.1', 'Xen Xen 4.1.5', 'Xen Xen 4.1.3', 'Xen Xen 4.1.2', 'Xen Xen 4.1.0', 'Xen Xen 3.4.4', 'Xen Xen 3.4.3', 'Xen Xen 3.4.2', 'Xen Xen 4.7', 'Xen Xen 4.6.3', 'Xen Xen 4.5.3', 'Xen Xen 4.0.2']
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{
  "bids": {
    "bid": {
      "bidNumber": "94581"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-9817"
    }
  },
  "description": "Xen\u662f\u82f1\u56fd\u5251\u6865\u5927\u5b66\u5f00\u53d1\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u865a\u62df\u673a\u76d1\u89c6\u5668\u4ea7\u54c1\u3002\u8be5\u4ea7\u54c1\u80fd\u591f\u4f7f\u4e0d\u540c\u548c\u4e0d\u517c\u5bb9\u7684\u64cd\u4f5c\u7cfb\u7edf\u8fd0\u884c\u5728\u540c\u4e00\u53f0\u8ba1\u7b97\u673a\u4e0a\uff0c\u5e76\u652f\u6301\u5728\u8fd0\u884c\u65f6\u8fdb\u884c\u8fc1\u79fb\uff0c\u4fdd\u8bc1\u6b63\u5e38\u8fd0\u884c\u5e76\u4e14\u907f\u514d\u5b95\u673a\u3002\r\n\r\nXen\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u6b64\u6f0f\u6d1e\u4f7f\u4e3b\u673a\u5d29\u6e83\uff0c\u62d2\u7edd\u5411\u5408\u6cd5\u7528\u6237\u63d0\u4f9b\u670d\u52a1\u3002",
  "discovererName": "Xen",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u4f9b\u5e94\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttp://seclists.org/oss-sec/2016/q4/539",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-12156",
  "openTime": "2016-12-13",
  "patchDescription": "Xen\u662f\u82f1\u56fd\u5251\u6865\u5927\u5b66\u5f00\u53d1\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u865a\u62df\u673a\u76d1\u89c6\u5668\u4ea7\u54c1\u3002\u8be5\u4ea7\u54c1\u80fd\u591f\u4f7f\u4e0d\u540c\u548c\u4e0d\u517c\u5bb9\u7684\u64cd\u4f5c\u7cfb\u7edf\u8fd0\u884c\u5728\u540c\u4e00\u53f0\u8ba1\u7b97\u673a\u4e0a\uff0c\u5e76\u652f\u6301\u5728\u8fd0\u884c\u65f6\u8fdb\u884c\u8fc1\u79fb\uff0c\u4fdd\u8bc1\u6b63\u5e38\u8fd0\u884c\u5e76\u4e14\u907f\u514d\u5b95\u673a\u3002\r\n\r\nXen\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u6b64\u6f0f\u6d1e\u4f7f\u4e3b\u673a\u5d29\u6e83\uff0c\u62d2\u7edd\u5411\u5408\u6cd5\u7528\u6237\u63d0\u4f9b\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": "Xen\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-12156\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Xen Xen 4.2",
      "Xen Xen 4.1",
      "Xen Xen 4.0",
      "Xen Xen 4.2.0",
      "Xen Xen 4.4",
      "Xen Xen 4.3",
      "Xen Xen 4.0.4",
      "Xen Xen  4.1.6.1",
      "Xen Xen  4.2.3",
      "Xen Xen  4.4.1",
      "Xen Xen 4.6",
      "Xen Xen 4.0.1",
      "Xen Xen  4.5.0",
      "Xen Xen  4.4.0",
      "Xen Xen  4.3.1",
      "Xen Xen  4.3.0",
      "Xen Xen  4.2.2",
      "Xen Xen  4.2.1",
      "Xen Xen  4.1.5",
      "Xen Xen  4.1.3",
      "Xen Xen  4.1.2",
      "Xen Xen  4.1.0",
      "Xen Xen  3.4.4",
      "Xen Xen  3.4.3",
      "Xen Xen  3.4.2",
      "Xen Xen 4.7",
      "Xen Xen  4.6.3",
      "Xen Xen  4.5.3",
      "Xen Xen 4.0.2"
    ]
  },
  "referenceLink": "http://www.securityfocus.com/bid/94581",
  "serverity": "\u4e2d",
  "submitTime": "2016-12-08",
  "title": "Xen\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-12156\uff09"
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.