cnvd-2020-31666
Vulnerability from cnvd
Title
Puma环境错误漏洞（CNVD-2020-31666）
Description
Puma是一款针对高并发应用的Web服务器。 Puma存在环境错误漏洞。攻击者可借助无效的transfer-encoding标头利用该漏洞实施HTTP走私攻击。
Severity
中
Patch Name
Puma环境错误漏洞（CNVD-2020-31666）的补丁
Patch Description
Puma是一款针对高并发应用的Web服务器。 Puma存在环境错误漏洞。攻击者可借助无效的transfer-encoding标头利用该漏洞实施HTTP走私攻击。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

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/puma/puma/security/advisories/GHSA-x7jg-6pwg-fx5h

Reference
https://nvd.nist.gov/vuln/detail/CVE-2020-11076
Impacted products
Name
['Puma Puma (RubyGem) <4.3.4', 'Puma Puma (RubyGem) <3.12.5']
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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-11076"
    }
  },
  "description": "Puma\u662f\u4e00\u6b3e\u9488\u5bf9\u9ad8\u5e76\u53d1\u5e94\u7528\u7684Web\u670d\u52a1\u5668\u3002\n\nPuma\u5b58\u5728\u73af\u5883\u9519\u8bef\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u65e0\u6548\u7684transfer-encoding\u6807\u5934\u5229\u7528\u8be5\u6f0f\u6d1e\u5b9e\u65bdHTTP\u8d70\u79c1\u653b\u51fb\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/puma/puma/security/advisories/GHSA-x7jg-6pwg-fx5h",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-31666",
  "openTime": "2020-06-04",
  "patchDescription": "Puma\u662f\u4e00\u6b3e\u9488\u5bf9\u9ad8\u5e76\u53d1\u5e94\u7528\u7684Web\u670d\u52a1\u5668\u3002\r\n\r\nPuma\u5b58\u5728\u73af\u5883\u9519\u8bef\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u65e0\u6548\u7684transfer-encoding\u6807\u5934\u5229\u7528\u8be5\u6f0f\u6d1e\u5b9e\u65bdHTTP\u8d70\u79c1\u653b\u51fb\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": "Puma\u73af\u5883\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2020-31666\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Puma Puma (RubyGem) \u003c4.3.4",
      "Puma Puma (RubyGem) \u003c3.12.5"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-11076",
  "serverity": "\u4e2d",
  "submitTime": "2020-05-25",
  "title": "Puma\u73af\u5883\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2020-31666\uff09"
}


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