CNVD-2018-14921

Vulnerability from cnvd - Published: 2018-08-09
VLAI
Title
LibTIFF堆缓冲区溢出漏洞(CNVD-2018-14921)
Description
Libtiff是一个用于读取和写入标记图像文件格式(缩写为TIFF)文件的库。 LibTIFF 4.0.9中的tiffcp.c中的cpSeparateBufToContigBuf函数存在基于堆的缓冲区溢出漏洞。远程攻击者可通过特制TIFF文件利用该漏洞导致拒绝服务(崩溃)或可能造成其他影响。
Severity
中
Formal description

厂商尚未提供漏洞修复方案,请关注厂商主页更新: http://www.simplesystems.org/libtiff/

Reference
https://nvd.nist.gov/vuln/detail/CVE-2018-12900
Impacted products
Name
Libtiff LibTiff 4.0.9
Show details on source website

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-12900"
    }
  },
  "description": "Libtiff\u662f\u4e00\u4e2a\u7528\u4e8e\u8bfb\u53d6\u548c\u5199\u5165\u6807\u8bb0\u56fe\u50cf\u6587\u4ef6\u683c\u5f0f\uff08\u7f29\u5199\u4e3aTIFF\uff09\u6587\u4ef6\u7684\u5e93\u3002\r\n\r\nLibTIFF 4.0.9\u4e2d\u7684tiffcp.c\u4e2d\u7684cpSeparateBufToContigBuf\u51fd\u6570\u5b58\u5728\u57fa\u4e8e\u5806\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236TIFF\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\uff08\u5d29\u6e83\uff09\u6216\u53ef\u80fd\u9020\u6210\u5176\u4ed6\u5f71\u54cd\u3002",
  "discovererName": "rookie",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttp://www.simplesystems.org/libtiff/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-14921",
  "openTime": "2018-08-09",
  "products": {
    "product": "Libtiff LibTiff 4.0.9"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-12900",
  "serverity": "\u4e2d",
  "submitTime": "2018-06-27",
  "title": "LibTIFF\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2018-14921\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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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