Vulnerability-Lookup

CNVD-2017-37267

Vulnerability from cnvd - Published: 2017-12-18

Title

private_address_check ruby gem安全限制绕过漏洞

Description

private_address_check ruby gem是一款基于Ruby的服务器端请求伪造攻击检查工具。 private_address_check ruby gem 0.4.0之前的版本中存在安全限制绕过漏洞，该漏洞源于程序使用了Ruby的Resolv.getaddresses方法。攻击者可利用该漏洞绕过客户端请求伪造过滤器。

Severity

高

Patch Name

private_address_check ruby gem安全限制绕过漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/jtdowney/private_address_check/commit/58a0d7fe31de339c0117160567a5b33ad82b46af

Reference

https://edoverflow.com/2017/ruby-resolv-bug/

Impacted products

Name
private_address_check private_address_check <0.4.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-0904"
    }
  },
  "description": "private_address_check ruby gem\u662f\u4e00\u6b3e\u57fa\u4e8eRuby\u7684\u670d\u52a1\u5668\u7aef\u8bf7\u6c42\u4f2a\u9020\u653b\u51fb\u68c0\u67e5\u5de5\u5177\u3002\r\n\r\nprivate_address_check ruby gem 0.4.0\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u9650\u5236\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u4f7f\u7528\u4e86Ruby\u7684Resolv.getaddresses\u65b9\u6cd5\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5ba2\u6237\u7aef\u8bf7\u6c42\u4f2a\u9020\u8fc7\u6ee4\u5668\u3002",
  "discovererName": "jtdowney",
  "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/jtdowney/private_address_check/commit/58a0d7fe31de339c0117160567a5b33ad82b46af",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-37267",
  "openTime": "2017-12-18",
  "patchDescription": "private_address_check ruby gem\u662f\u4e00\u6b3e\u57fa\u4e8eRuby\u7684\u670d\u52a1\u5668\u7aef\u8bf7\u6c42\u4f2a\u9020\u653b\u51fb\u68c0\u67e5\u5de5\u5177\u3002\r\n\r\nprivate_address_check ruby gem 0.4.0\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u9650\u5236\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u4f7f\u7528\u4e86Ruby\u7684Resolv.getaddresses\u65b9\u6cd5\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5ba2\u6237\u7aef\u8bf7\u6c42\u4f2a\u9020\u8fc7\u6ee4\u5668\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": "private_address_check ruby gem\u5b89\u5168\u9650\u5236\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "private_address_check private_address_check \u003c0.4.0"
  },
  "referenceLink": "https://edoverflow.com/2017/ruby-resolv-bug/",
  "serverity": "\u9ad8",
  "submitTime": "2017-11-17",
  "title": "private_address_check ruby gem\u5b89\u5168\u9650\u5236\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2017-0904 (GCVE-0-2017-0904)

Vulnerability from cvelistv5 – Published: 2017-11-13 17:00 – Updated: 2024-09-17 01:56

Summary

The private_address_check ruby gem before 0.4.0 is vulnerable to a bypass due to use of Ruby's Resolv.getaddresses method, which is OS-dependent and should not be relied upon for security measures, such as when used to blacklist private network addresses to prevent server-side request forgery.

Severity

No CVSS data available.

CWE

CWE-242 - Use of Inherently Dangerous Function (CWE-242)

Assigner

hackerone CNA under the mitre root

CNA scorecard D 59/100 over 187 records in the last 180 days details

References

5 references

URL	Tags
https://hackerone.com/reports/287245	x_refsource_MISC
https://edoverflow.com/2017/ruby-resolv-bug/	x_refsource_MISC
https://github.com/jtdowney/private_address_check…	x_refsource_CONFIRM
https://hackerone.com/reports/287835	x_refsource_MISC
https://github.com/jtdowney/private_address_check…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
jtdowney	private_address_check ruby gem	Affected: Versions before 0.4.0

Date Public

2017-11-05 00:00

Show details on NVD website

JSON

To clipboard

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            "url": "https://hackerone.com/reports/287245"
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            "url": "https://edoverflow.com/2017/ruby-resolv-bug/"
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            "url": "https://github.com/jtdowney/private_address_check/commit/58a0d7fe31de339c0117160567a5b33ad82b46af"
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Sightings

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Confirmed: The vulnerability has been validated from an analyst's perspective.
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Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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