cnvd-2018-20558
Vulnerability from cnvd

Title: libpng拒绝服务漏洞(CNVD-2018-20558)

Description:

libpng是一个可对PNG图形文件实现创建、读写等操作的PNG参考库。

libpng 1.6.34版本中的png.c文件的‘png_free_data’函数存在安全漏洞。攻击者可利用该漏洞造成拒绝服务(段错误)。

Severity:

Formal description:

目前厂商暂未发布修复措施解决此安全问题,建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法: http://libpng.sf.net/

Reference: https://github.com/fouzhe/security/tree/master/libpng https://github.com/glennrp/libpng/issues/238

Impacted products
Name
libpng Libpng 1.6.34
Show details on source website


{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-14048"
    }
  },
  "description": "libpng\u662f\u4e00\u4e2a\u53ef\u5bf9PNG\u56fe\u5f62\u6587\u4ef6\u5b9e\u73b0\u521b\u5efa\u3001\u8bfb\u5199\u7b49\u64cd\u4f5c\u7684PNG\u53c2\u8003\u5e93\u3002\r\n\r\nlibpng 1.6.34\u7248\u672c\u4e2d\u7684png.c\u6587\u4ef6\u7684\u2018png_free_data\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u6bb5\u9519\u8bef\uff09\u3002",
  "discovererName": "unknown",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttp://libpng.sf.net/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-20558",
  "openTime": "2018-10-11",
  "products": {
    "product": "libpng Libpng 1.6.34"
  },
  "referenceLink": "https://github.com/fouzhe/security/tree/master/libpng\r\nhttps://github.com/glennrp/libpng/issues/238",
  "serverity": "\u4e2d",
  "submitTime": "2018-07-17",
  "title": "libpng\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-20558\uff09"
}


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