CNVD-2018-09031

Vulnerability from cnvd - Published: 2018-05-07
VLAI
Title
LibreOffice拒绝服务漏洞（CNVD-2018-09031）
Description
LibreOffice是文档基金会（The Document Foundation，TDF）开发的一套免费开源的办公软件套件。该套件由Writer（文本文档）、Calc（电子表格）和Impress（演示文稿）等应用程序组成。 LibreOffice 5.4.6.1之前版本和6.0.2.1之前的6.x版本中的sw/source/filter/ww8/ww8toolbar.cxx文件的‘SwCTBWrapper::Read’函数存在安全漏洞，该漏洞源于程序未能校验自定义索引。远程攻击者可借助特制的文档利用该漏洞造成拒绝服务（基于堆的缓冲区溢出）。
Severity
中
Patch Name
LibreOffice拒绝服务漏洞（CNVD-2018-09031）的补丁
Patch Description
LibreOffice是文档基金会（The Document Foundation，TDF）开发的一套免费开源的办公软件套件。该套件由Writer（文本文档）、Calc（电子表格）和Impress（演示文稿）等应用程序组成。 LibreOffice 5.4.6.1之前版本和6.0.2.1之前的6.x版本中的sw/source/filter/ww8/ww8toolbar.cxx文件的‘SwCTBWrapper::Read’函数存在安全漏洞，该漏洞源于程序未能校验自定义索引。远程攻击者可借助特制的文档利用该漏洞造成拒绝服务（基于堆的缓冲区溢出）。 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://gerrit.libreoffice.org/gitweb?p=core.git;a=commit;h=017fcc2fcd00af17a97bd5463d89662404f57667

Reference
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10120
Impacted products
Name
['The Document Foundation（TDF） LibreOffice <5.4.6.1', 'The Document Foundation（TDF） LibreOffice 6.*<6.0.2.1']
Show details on source website
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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-10120"
    }
  },
  "description": "LibreOffice\u662f\u6587\u6863\u57fa\u91d1\u4f1a\uff08The Document Foundation\uff0cTDF\uff09\u5f00\u53d1\u7684\u4e00\u5957\u514d\u8d39\u5f00\u6e90\u7684\u529e\u516c\u8f6f\u4ef6\u5957\u4ef6\u3002\u8be5\u5957\u4ef6\u7531Writer\uff08\u6587\u672c\u6587\u6863\uff09\u3001Calc\uff08\u7535\u5b50\u8868\u683c\uff09\u548cImpress\uff08\u6f14\u793a\u6587\u7a3f\uff09\u7b49\u5e94\u7528\u7a0b\u5e8f\u7ec4\u6210\u3002\r\n\r\nLibreOffice 5.4.6.1\u4e4b\u524d\u7248\u672c\u548c6.0.2.1\u4e4b\u524d\u76846.x\u7248\u672c\u4e2d\u7684sw/source/filter/ww8/ww8toolbar.cxx\u6587\u4ef6\u7684\u2018SwCTBWrapper::Read\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6821\u9a8c\u81ea\u5b9a\u4e49\u7d22\u5f15\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684\u6587\u6863\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u57fa\u4e8e\u5806\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\uff09\u3002",
  "discovererName": "Unknow",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://gerrit.libreoffice.org/gitweb?p=core.git;a=commit;h=017fcc2fcd00af17a97bd5463d89662404f57667",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-09031",
  "openTime": "2018-05-07",
  "patchDescription": "LibreOffice\u662f\u6587\u6863\u57fa\u91d1\u4f1a\uff08The Document Foundation\uff0cTDF\uff09\u5f00\u53d1\u7684\u4e00\u5957\u514d\u8d39\u5f00\u6e90\u7684\u529e\u516c\u8f6f\u4ef6\u5957\u4ef6\u3002\u8be5\u5957\u4ef6\u7531Writer\uff08\u6587\u672c\u6587\u6863\uff09\u3001Calc\uff08\u7535\u5b50\u8868\u683c\uff09\u548cImpress\uff08\u6f14\u793a\u6587\u7a3f\uff09\u7b49\u5e94\u7528\u7a0b\u5e8f\u7ec4\u6210\u3002\r\n\r\nLibreOffice 5.4.6.1\u4e4b\u524d\u7248\u672c\u548c6.0.2.1\u4e4b\u524d\u76846.x\u7248\u672c\u4e2d\u7684sw/source/filter/ww8/ww8toolbar.cxx\u6587\u4ef6\u7684\u2018SwCTBWrapper::Read\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6821\u9a8c\u81ea\u5b9a\u4e49\u7d22\u5f15\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684\u6587\u6863\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u57fa\u4e8e\u5806\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\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": "LibreOffice\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-09031\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "The Document Foundation\uff08TDF\uff09 LibreOffice  \u003c5.4.6.1",
      "The Document Foundation\uff08TDF\uff09 LibreOffice  6.*\u003c6.0.2.1"
    ]
  },
  "referenceLink": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10120",
  "serverity": "\u4e2d",
  "submitTime": "2018-04-16",
  "title": "LibreOffice\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-09031\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

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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.
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  • 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.



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