cnvd - cnvd-2017-05497

cnvd-2017-05497

Vulnerability from cnvd

Title: Ruby拒绝服务漏洞

Description:

Ruby是日本软件开发者松本行弘所研发的一种跨平台、面向对象的动态类型编程语言。

Ruby 2.4.0版本中使用的Onigmo（又叫Oniguruma-mod）正则表达式库的regparse.c文件的parse_char_class函数存在安全漏洞。远程攻击者可借助特制的正则表达式利用该漏洞造成拒绝服务（应用程序崩溃）。

Severity: 中

Patch Name: Ruby拒绝服务漏洞的补丁

Patch Description:

Ruby是日本软件开发者松本行弘所研发的一种跨平台、面向对象的动态类型编程语言。

Ruby 2.4.0版本中使用的Onigmo（又叫Oniguruma-mod）正则表达式库的regparse.c文件的parse_char_class函数存在安全漏洞。远程攻击者可借助特制的正则表达式利用该漏洞造成拒绝服务（应用程序崩溃）。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:

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接: https://bugs.ruby-lang.org/projects/ruby-trunk/repository/revisions/57660

Reference: http://www.securityfocus.com/bid/97304

Impacted products

Name
Ruby Ruby 2.4.0

Show details on source website

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{
  "bids": {
    "bid": {
      "bidNumber": "97304"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-6181",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6181"
    }
  },
  "description": "Ruby\u662f\u65e5\u672c\u8f6f\u4ef6\u5f00\u53d1\u8005\u677e\u672c\u884c\u5f18\u6240\u7814\u53d1\u7684\u4e00\u79cd\u8de8\u5e73\u53f0\u3001\u9762\u5411\u5bf9\u8c61\u7684\u52a8\u6001\u7c7b\u578b\u7f16\u7a0b\u8bed\u8a00\u3002\r\n\r\nRuby 2.4.0\u7248\u672c\u4e2d\u4f7f\u7528\u7684Onigmo\uff08\u53c8\u53ebOniguruma-mod\uff09\u6b63\u5219\u8868\u8fbe\u5f0f\u5e93\u7684regparse.c\u6587\u4ef6\u7684parse_char_class\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\uff09\u3002",
  "discovererName": "Kamil Frankowicz",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5:\r\nhttps://bugs.ruby-lang.org/projects/ruby-trunk/repository/revisions/57660",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-05497",
  "openTime": "2017-04-27",
  "patchDescription": "Ruby\u662f\u65e5\u672c\u8f6f\u4ef6\u5f00\u53d1\u8005\u677e\u672c\u884c\u5f18\u6240\u7814\u53d1\u7684\u4e00\u79cd\u8de8\u5e73\u53f0\u3001\u9762\u5411\u5bf9\u8c61\u7684\u52a8\u6001\u7c7b\u578b\u7f16\u7a0b\u8bed\u8a00\u3002\r\n\r\nRuby 2.4.0\u7248\u672c\u4e2d\u4f7f\u7528\u7684Onigmo\uff08\u53c8\u53ebOniguruma-mod\uff09\u6b63\u5219\u8868\u8fbe\u5f0f\u5e93\u7684regparse.c\u6587\u4ef6\u7684parse_char_class\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\uff09\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": "Ruby\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Ruby Ruby 2.4.0"
  },
  "referenceLink": "http://www.securityfocus.com/bid/97304",
  "serverity": "\u4e2d",
  "submitTime": "2017-04-05",
  "title": "Ruby\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2017-6181 (GCVE-0-2017-6181)

Vulnerability from cvelistv5

Published

2017-04-03 05:44

Modified

2024-08-05 15:25

Severity ?

CWE

Summary

The parse_char_class function in regparse.c in the Onigmo (aka Oniguruma-mod) regular expression library, as used in Ruby 2.4.0, allows remote attackers to cause a denial of service (deep recursion and application crash) via a crafted regular expression.

References

▼	URL	Tags
	https://bugs.ruby-lang.org/issues/13234	x_refsource_CONFIRM
	https://bugs.ruby-lang.org/projects/ruby-trunk/repository/revisions/57660	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/97304	vdb-entry, x_refsource_BID

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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