cnvd-2019-06790
Vulnerability from cnvd
Title
LibSass拒绝服务漏洞（CNVD-2019-06790）
Description
LibSass是一个开源的使用C语言编写的Sass（CSS扩展语言）解析器。 LibSass 3.5.5之前版本中的sass_context.cpp文件的‘handle_error’函数存在安全漏洞。攻击者可借助特制的sass文件利用该漏洞造成拒绝服务。
Severity
中
Patch Name
LibSass拒绝服务漏洞（CNVD-2019-06790）的补丁
Patch Description
LibSass是一个开源的使用C语言编写的Sass（CSS扩展语言）解析器。 LibSass 3.5.5之前版本中的sass_context.cpp文件的‘handle_error’函数存在安全漏洞。攻击者可借助特制的sass文件利用该漏洞造成拒绝服务。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://github.com/sass/libsass/pull/2767

Reference
https://nvd.nist.gov/vuln/detail/CVE-2018-19839
Impacted products
Name
LibSass LibSass <3.5.5
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-19839"
    }
  },
  "description": "LibSass\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684Sass\uff08CSS\u6269\u5c55\u8bed\u8a00\uff09\u89e3\u6790\u5668\u3002\n\nLibSass 3.5.5\u4e4b\u524d\u7248\u672c\u4e2d\u7684sass_context.cpp\u6587\u4ef6\u7684\u2018handle_error\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684sass\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\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://github.com/sass/libsass/pull/2767",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-06790",
  "openTime": "2019-03-11",
  "patchDescription": "LibSass\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684Sass\uff08CSS\u6269\u5c55\u8bed\u8a00\uff09\u89e3\u6790\u5668\u3002\r\n\r\nLibSass 3.5.5\u4e4b\u524d\u7248\u672c\u4e2d\u7684sass_context.cpp\u6587\u4ef6\u7684\u2018handle_error\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684sass\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\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": "LibSass\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2019-06790\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "LibSass LibSass \u003c3.5.5"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-19839",
  "serverity": "\u4e2d",
  "submitTime": "2018-12-04",
  "title": "LibSass\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2019-06790\uff09"
}


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