CNVD-2017-02338

Vulnerability from cnvd - Published: 2017-03-03
VLAI Severity ?
Title
QEMU cirrus_vga.c代码执行漏洞
Description
QEMU是一套模拟处理器软件。 QEMU cirrus_vga.c存在安全漏洞，允许攻击者可利用该漏洞向HOST内存进行写入操作，导致任意代码执行提升权限。
Severity
高
Patch Name
QEMU cirrus_vga.c代码执行漏洞的补丁
Patch Description
QEMU是一套模拟处理器软件。 QEMU cirrus_vga.c存在安全漏洞，允许攻击者可利用该漏洞向HOST内存进行写入操作，导致任意代码执行提升权限。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此安全问题，详情请关注厂商主页： http://xenbits.xen.org/xsa/advisory-209.txt

Reference
http://securitytracker.com/id/1037870
Impacted products
Name
QEMU QEMU 0
Show details on source website
To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "96378"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-2620",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2620"
    }
  },
  "description": "QEMU\u662f\u4e00\u5957\u6a21\u62df\u5904\u7406\u5668\u8f6f\u4ef6\u3002\r\n\r\nQEMU cirrus_vga.c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5411HOST\u5185\u5b58\u8fdb\u884c\u5199\u5165\u64cd\u4f5c\uff0c\u5bfc\u81f4\u4efb\u610f\u4ee3\u7801\u6267\u884c\u63d0\u5347\u6743\u9650\u3002",
  "discovererName": "Gerd Hoffmann of Red Hat",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttp://xenbits.xen.org/xsa/advisory-209.txt",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-02338",
  "openTime": "2017-03-03",
  "patchDescription": "QEMU\u662f\u4e00\u5957\u6a21\u62df\u5904\u7406\u5668\u8f6f\u4ef6\u3002\r\n\r\nQEMU cirrus_vga.c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5411HOST\u5185\u5b58\u8fdb\u884c\u5199\u5165\u64cd\u4f5c\uff0c\u5bfc\u81f4\u4efb\u610f\u4ee3\u7801\u6267\u884c\u63d0\u5347\u6743\u9650\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": "QEMU cirrus_vga.c\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "QEMU QEMU 0"
  },
  "referenceLink": "http://securitytracker.com/id/1037870",
  "serverity": "\u9ad8",
  "submitTime": "2017-02-24",
  "title": "QEMU cirrus_vga.c\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e"
}


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Sightings

Author Source Type Date

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.