CNVD-2017-06712

Vulnerability from cnvd - Published: 2017-05-16
VLAI
Title
FreeType 2缓冲区溢出漏洞(CNVD-2017-06712)
Description
FreeType 2被设计为一种占用空间小的、高效的、高度可定制的、并且可以产生可移植的高品质输出(符号图像)。可以被用在诸如图像库、展出服务器、字体转换工具、图像文字产生工具等多种其它产品上。 FreeType 2 2017-03-24之前的版本psaux / t1decode.c中与t1_decoder_parse_charstrings函数存在缓冲区溢出漏洞,攻击者可利用该漏洞造成拒绝服务(越边界写入)。
Severity
高
Patch Name
FreeType 2缓冲区溢出漏洞(CNVD-2017-06712)的补丁
Patch Description
FreeType 2被设计为一种占用空间小的、高效的、高度可定制的、并且可以产生可移植的高品质输出(符号图像)。可以被用在诸如图像库、展出服务器、字体转换工具、图像文字产生工具等多种其它产品上。 FreeType 2 2017-03-24之前的版本psaux / t1decode.c中与t1_decoder_parse_charstrings函数存在缓冲区溢出漏洞,攻击者可利用该漏洞造成拒绝服务(越边界写入)。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,补丁获取链接: http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=f958c48ee431bef8d4d466b40c9cb2d4dbcb7791

Reference
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=935
Impacted products
Name
FreeType FreeType 2 <2017-03-24
Show details on source website

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-8105",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8105"
    }
  },
  "description": "FreeType 2\u88ab\u8bbe\u8ba1\u4e3a\u4e00\u79cd\u5360\u7528\u7a7a\u95f4\u5c0f\u7684\u3001\u9ad8\u6548\u7684\u3001\u9ad8\u5ea6\u53ef\u5b9a\u5236\u7684\u3001\u5e76\u4e14\u53ef\u4ee5\u4ea7\u751f\u53ef\u79fb\u690d\u7684\u9ad8\u54c1\u8d28\u8f93\u51fa\uff08\u7b26\u53f7\u56fe\u50cf\uff09\u3002\u53ef\u4ee5\u88ab\u7528\u5728\u8bf8\u5982\u56fe\u50cf\u5e93\u3001\u5c55\u51fa\u670d\u52a1\u5668\u3001\u5b57\u4f53\u8f6c\u6362\u5de5\u5177\u3001\u56fe\u50cf\u6587\u5b57\u4ea7\u751f\u5de5\u5177\u7b49\u591a\u79cd\u5176\u5b83\u4ea7\u54c1\u4e0a\u3002 \r\n                                                                                    FreeType 2 2017-03-24\u4e4b\u524d\u7684\u7248\u672cpsaux / t1decode.c\u4e2d\u4e0et1_decoder_parse_charstrings\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8d8a\u8fb9\u754c\u5199\u5165\uff09\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttp://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=f958c48ee431bef8d4d466b40c9cb2d4dbcb7791",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-06712",
  "openTime": "2017-05-16",
  "patchDescription": "FreeType 2\u88ab\u8bbe\u8ba1\u4e3a\u4e00\u79cd\u5360\u7528\u7a7a\u95f4\u5c0f\u7684\u3001\u9ad8\u6548\u7684\u3001\u9ad8\u5ea6\u53ef\u5b9a\u5236\u7684\u3001\u5e76\u4e14\u53ef\u4ee5\u4ea7\u751f\u53ef\u79fb\u690d\u7684\u9ad8\u54c1\u8d28\u8f93\u51fa\uff08\u7b26\u53f7\u56fe\u50cf\uff09\u3002\u53ef\u4ee5\u88ab\u7528\u5728\u8bf8\u5982\u56fe\u50cf\u5e93\u3001\u5c55\u51fa\u670d\u52a1\u5668\u3001\u5b57\u4f53\u8f6c\u6362\u5de5\u5177\u3001\u56fe\u50cf\u6587\u5b57\u4ea7\u751f\u5de5\u5177\u7b49\u591a\u79cd\u5176\u5b83\u4ea7\u54c1\u4e0a\u3002 \r\n                                                                                    FreeType 2 2017-03-24\u4e4b\u524d\u7684\u7248\u672cpsaux / t1decode.c\u4e2d\u4e0et1_decoder_parse_charstrings\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8d8a\u8fb9\u754c\u5199\u5165\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": "FreeType 2\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2017-06712\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "FreeType FreeType 2 \u003c2017-03-24"
  },
  "referenceLink": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=935",
  "serverity": "\u9ad8",
  "submitTime": "2017-04-26",
  "title": "FreeType 2\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2017-06712\uff09"
}



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