cnvd-2018-14348
Vulnerability from cnvd
Title
Qemu缓冲区溢出漏洞（CNVD-2018-14348）
Description
QEMU（又名Quick Emulator）是法国程序员法布里斯-贝拉（Fabrice Bellard）所研发的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU中的slirp/mbuf.c文件中的m_cat存在基于堆的缓冲区溢出漏洞，该漏洞源于程序未能正确的检测用户提交数据的长度，导致复制数据的大小超过了基于堆的固定长度缓冲区。远程攻击者可借助传入的数据包利用该漏洞执行任意代码。
Severity
低
Patch Name
Qemu缓冲区溢出漏洞（CNVD-2018-14348）的补丁
Patch Description
QEMU（又名Quick Emulator）是法国程序员法布里斯-贝拉（Fabrice Bellard）所研发的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU中的slirp/mbuf.c文件中的m_cat存在基于堆的缓冲区溢出漏洞，该漏洞源于程序未能正确的检测用户提交数据的长度，导致复制数据的大小超过了基于堆的固定长度缓冲区。远程攻击者可借助传入的数据包利用该漏洞执行任意代码。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

厂商已发布漏洞修复程序，请及时关注更新： https://lists.gnu.org/archive/html/qemu-devel/2018-06/msg01012.html

Reference
https://nvd.nist.gov/vuln/detail/CVE-2018-11806
Impacted products
Name
QEMU QEMU
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "104400"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-11806"
    }
  },
  "description": "QEMU\uff08\u53c8\u540dQuick Emulator\uff09\u662f\u6cd5\u56fd\u7a0b\u5e8f\u5458\u6cd5\u5e03\u91cc\u65af-\u8d1d\u62c9\uff08Fabrice Bellard\uff09\u6240\u7814\u53d1\u7684\u4e00\u5957\u6a21\u62df\u5904\u7406\u5668\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u5177\u6709\u901f\u5ea6\u5feb\u3001\u8de8\u5e73\u53f0\u7b49\u7279\u70b9\u3002\r\n\r\nQEMU\u4e2d\u7684slirp/mbuf.c\u6587\u4ef6\u4e2d\u7684m_cat\u5b58\u5728\u57fa\u4e8e\u5806\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u68c0\u6d4b\u7528\u6237\u63d0\u4ea4\u6570\u636e\u7684\u957f\u5ea6\uff0c\u5bfc\u81f4\u590d\u5236\u6570\u636e\u7684\u5927\u5c0f\u8d85\u8fc7\u4e86\u57fa\u4e8e\u5806\u7684\u56fa\u5b9a\u957f\u5ea6\u7f13\u51b2\u533a\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u4f20\u5165\u7684\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "discovererName": "Jskz - Zero Day Initiative (trendmicro.com)",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://lists.gnu.org/archive/html/qemu-devel/2018-06/msg01012.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-14348",
  "openTime": "2018-08-01",
  "patchDescription": "QEMU\uff08\u53c8\u540dQuick Emulator\uff09\u662f\u6cd5\u56fd\u7a0b\u5e8f\u5458\u6cd5\u5e03\u91cc\u65af-\u8d1d\u62c9\uff08Fabrice Bellard\uff09\u6240\u7814\u53d1\u7684\u4e00\u5957\u6a21\u62df\u5904\u7406\u5668\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u5177\u6709\u901f\u5ea6\u5feb\u3001\u8de8\u5e73\u53f0\u7b49\u7279\u70b9\u3002\r\n\r\nQEMU\u4e2d\u7684slirp/mbuf.c\u6587\u4ef6\u4e2d\u7684m_cat\u5b58\u5728\u57fa\u4e8e\u5806\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u68c0\u6d4b\u7528\u6237\u63d0\u4ea4\u6570\u636e\u7684\u957f\u5ea6\uff0c\u5bfc\u81f4\u590d\u5236\u6570\u636e\u7684\u5927\u5c0f\u8d85\u8fc7\u4e86\u57fa\u4e8e\u5806\u7684\u56fa\u5b9a\u957f\u5ea6\u7f13\u51b2\u533a\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u4f20\u5165\u7684\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u4ee3\u7801\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\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2018-14348\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "QEMU QEMU"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-11806",
  "serverity": "\u4f4e",
  "submitTime": "2018-06-14",
  "title": "Qemu\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2018-14348\uff09"
}


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