cnvd-2016-02639
Vulnerability from cnvd
Title
giflib gif2rgb堆缓冲区溢出漏洞
Description
giflib是一个用于处理GIF图像的库及实用程序。gif2rgb是其中的一个基于C语言将GIF文件格式转换为RGB24格式的模块。 giflib的gif2rgb中的util/gif2rgb.c文件存在堆缓冲区溢出漏洞，允许远程攻击者可构建特殊的GIF文件使应用程序崩溃。
Severity
中
Patch Name
giflib gif2rgb堆缓冲区溢出漏洞的补丁
Patch Description
giflib是一个用于处理GIF图像的库及实用程序。gif2rgb是其中的一个基于C语言将GIF文件格式转换为RGB24格式的模块。 giflib的gif2rgb中的util/gif2rgb.c文件存在堆缓冲区溢出漏洞，允许远程攻击者可构建特殊的GIF文件使应用程序崩溃。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

用户可参考如下厂商提供的安全补丁以修复该漏洞： https://sourceforge.net/p/giflib/code/ci/ea8dbc5786862a3e16a5acfa3d24e2c2f608cd88/

Reference
https://sourceforge.net/p/giflib/code/ci/ea8dbc5786862a3e16a5acfa3d24e2c2f608cd88/
Impacted products
Name
giflib gif2rgb
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-3977"
    }
  },
  "description": "giflib\u662f\u4e00\u4e2a\u7528\u4e8e\u5904\u7406GIF\u56fe\u50cf\u7684\u5e93\u53ca\u5b9e\u7528\u7a0b\u5e8f\u3002gif2rgb\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u57fa\u4e8eC\u8bed\u8a00\u5c06GIF\u6587\u4ef6\u683c\u5f0f\u8f6c\u6362\u4e3aRGB24\u683c\u5f0f\u7684\u6a21\u5757\u3002\r\n\r\ngiflib\u7684gif2rgb\u4e2d\u7684util/gif2rgb.c\u6587\u4ef6\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u6784\u5efa\u7279\u6b8a\u7684GIF\u6587\u4ef6\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u3002",
  "discovererName": "abadger1999, esr, tgridel",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://sourceforge.net/p/giflib/code/ci/ea8dbc5786862a3e16a5acfa3d24e2c2f608cd88/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-02639",
  "openTime": "2016-04-27",
  "patchDescription": "giflib\u662f\u4e00\u4e2a\u7528\u4e8e\u5904\u7406GIF\u56fe\u50cf\u7684\u5e93\u53ca\u5b9e\u7528\u7a0b\u5e8f\u3002gif2rgb\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u57fa\u4e8eC\u8bed\u8a00\u5c06GIF\u6587\u4ef6\u683c\u5f0f\u8f6c\u6362\u4e3aRGB24\u683c\u5f0f\u7684\u6a21\u5757\u3002\r\n\r\ngiflib\u7684gif2rgb\u4e2d\u7684util/gif2rgb.c\u6587\u4ef6\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u6784\u5efa\u7279\u6b8a\u7684GIF\u6587\u4ef6\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\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": "giflib gif2rgb\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "giflib gif2rgb"
  },
  "referenceLink": "https://sourceforge.net/p/giflib/code/ci/ea8dbc5786862a3e16a5acfa3d24e2c2f608cd88/",
  "serverity": "\u4e2d",
  "submitTime": "2016-04-24",
  "title": "giflib gif2rgb\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}


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