cnvd - cnvd-2016-04949

cnvd-2016-04949

Vulnerability from cnvd

Title: GO语言httpoxy远程代理感染漏洞

Description:

Go语言是谷歌发布的第二款开源编程语言。

httpoxy是一组影响应用程序代码在CGI环境运行的漏洞。该漏洞主要存在于多个Web服务器、Web框架和编程语言中。可对HTTP头部的Proxy字段名变换为“HTTP_PROXY”，Value值不变，进而传递给对应的CGI执行；若CGI或脚本中使用对外请求的组件依赖的是“HTTP_PROXY”环境变量，就可能被污染。未经身份验证的远程攻击者利用漏洞可发起中间人攻击，或在服务器上启动任意主机的连接。

GO语言存在httpoxy远程代理感染漏洞。GO语言net/http包未能解决RFC 3875模式下的命名空间冲突且程序未能正确处理来自HTTP_PROXY环境变量中不可信客户端数据应用程序。远程攻击者利用漏洞通过构造特制的代理将应用程序的出站HTTP流量重定向到任意的代理服务器。

Severity: 中

Formal description:

厂商尚未发布漏洞修复方案，请关注厂商主页及时获取更新信息： http://www.google.com/

Reference: https://httpoxy.org/ https://www.kb.cert.org/vuls/id/797896 https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-5386

Impacted products

Name
Google GO <=1.6

Show details on source website

JSON

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{
  "bids": {
    "bid": {
      "bidNumber": "91815"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-5386"
    }
  },
  "description": "Go\u8bed\u8a00\u662f\u8c37\u6b4c\u53d1\u5e03\u7684\u7b2c\u4e8c\u6b3e\u5f00\u6e90\u7f16\u7a0b\u8bed\u8a00\u3002\r\n\r\nhttpoxy\u662f\u4e00\u7ec4\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801\u5728CGI\u73af\u5883\u8fd0\u884c\u7684\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u4e3b\u8981\u5b58\u5728\u4e8e\u591a\u4e2aWeb\u670d\u52a1\u5668\u3001Web\u6846\u67b6\u548c\u7f16\u7a0b\u8bed\u8a00\u4e2d\u3002\u53ef\u5bf9HTTP\u5934\u90e8\u7684Proxy\u5b57\u6bb5\u540d\u53d8\u6362\u4e3a\u201cHTTP_PROXY\u201d\uff0cValue\u503c\u4e0d\u53d8\uff0c\u8fdb\u800c\u4f20\u9012\u7ed9\u5bf9\u5e94\u7684CGI\u6267\u884c\uff1b\u82e5CGI\u6216\u811a\u672c\u4e2d\u4f7f\u7528\u5bf9\u5916\u8bf7\u6c42\u7684\u7ec4\u4ef6\u4f9d\u8d56\u7684\u662f\u201cHTTP_PROXY\u201d\u73af\u5883\u53d8\u91cf\uff0c\u5c31\u53ef\u80fd\u88ab\u6c61\u67d3\u3002\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u7684\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u53ef\u53d1\u8d77\u4e2d\u95f4\u4eba\u653b\u51fb\uff0c\u6216\u5728\u670d\u52a1\u5668\u4e0a\u542f\u52a8\u4efb\u610f\u4e3b\u673a\u7684\u8fde\u63a5\u3002 \r\n\r\nGO\u8bed\u8a00\u5b58\u5728httpoxy\u8fdc\u7a0b\u4ee3\u7406\u611f\u67d3\u6f0f\u6d1e\u3002GO\u8bed\u8a00net/http\u5305\u672a\u80fd\u89e3\u51b3RFC 3875\u6a21\u5f0f\u4e0b\u7684\u547d\u540d\u7a7a\u95f4\u51b2\u7a81\u4e14\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u5904\u7406\u6765\u81eaHTTP_PROXY\u73af\u5883\u53d8\u91cf\u4e2d\u4e0d\u53ef\u4fe1\u5ba2\u6237\u7aef\u6570\u636e\u5e94\u7528\u7a0b\u5e8f\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u901a\u8fc7\u6784\u9020\u7279\u5236\u7684\u4ee3\u7406\u5c06\u5e94\u7528\u7a0b\u5e8f\u7684\u51fa\u7ad9HTTP\u6d41\u91cf\u91cd\u5b9a\u5411\u5230\u4efb\u610f\u7684\u4ee3\u7406\u670d\u52a1\u5668\u3002",
  "discovererName": "Scott Geary",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u53ca\u65f6\u83b7\u53d6\u66f4\u65b0\u4fe1\u606f\uff1a\r\nhttp://www.google.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-04949",
  "openTime": "2016-07-19",
  "products": {
    "product": "Google GO \u003c=1.6"
  },
  "referenceLink": "https://httpoxy.org/\r\nhttps://www.kb.cert.org/vuls/id/797896\r\nhttps://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-5386",
  "serverity": "\u4e2d",
  "submitTime": "2016-07-19",
  "title": "GO\u8bed\u8a00httpoxy\u8fdc\u7a0b\u4ee3\u7406\u611f\u67d3\u6f0f\u6d1e"
}

CVE-2016-5386 (GCVE-0-2016-5386)

Vulnerability from cvelistv5

Published

2016-07-19 01:00

Modified

2024-08-06 01:00

Severity ?

CWE

Summary

The net/http package in Go through 1.6 does not attempt to address RFC 3875 section 4.1.18 namespace conflicts and therefore does not protect CGI applications from the presence of untrusted client data in the HTTP_PROXY environment variable, which might allow remote attackers to redirect a CGI application's outbound HTTP traffic to an arbitrary proxy server via a crafted Proxy header in an HTTP request, aka an "httpoxy" issue.

References

▼	URL	Tags
	http://www.kb.cert.org/vuls/id/797896	third-party-advisory, x_refsource_CERT-VN
	https://bugzilla.redhat.com/show_bug.cgi?id=1353798	x_refsource_CONFIRM
	http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html	x_refsource_CONFIRM
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WGHKKCFP4PLVSWQKCM3FJJPEWB5ZNTU/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OR52UXGM6RKSCWF3KQMVZGVZVJ3WEESJ/	vendor-advisory, x_refsource_FEDORA
	http://rhn.redhat.com/errata/RHSA-2016-1538.html	vendor-advisory, x_refsource_REDHAT
	https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03770en_us	x_refsource_CONFIRM
	https://httpoxy.org/	x_refsource_MISC
	http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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