CNVD-2018-07051

Vulnerability from cnvd - Published: 2018-04-04
VLAI
Title
RubyGems不可信数据反序列化漏洞
Description
RubyGems是Ruby的一个包管理器，提供了分发Ruby程序和函式库的标准格式“gem”，旨在方便地管理gem安装的工具，以及用于分发gem的服务器。 RubyGems中的owner命令存在不可信数据反序列化漏洞。攻击者可通过特制YAML文件利用该漏洞实现代码执行。
Severity
高
Patch Name
RubyGems不可信数据反序列化漏洞的补丁
Patch Description
RubyGems是Ruby的一个包管理器，提供了分发Ruby程序和函式库的标准格式“gem”，旨在方便地管理gem安装的工具，以及用于分发gem的服务器。 RubyGems中的owner命令存在不可信数据反序列化漏洞。攻击者可通过特制YAML文件利用该漏洞实现代码执行。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/rubygems/rubygems/commit/254e3d0ee873c008c0b74e8b8abcbdab4caa0a6d

Reference
https://nvd.nist.gov/vuln/detail/CVE-2018-1000074
Impacted products
Name
['RubyGems Ruby 2.2 series <=2.2.9', 'RubyGems Ruby 2.3 series <=2.3.6', 'RubyGems Ruby 2.4 series <=2.4.3', 'RubyGems Ruby 2.5 series <=2.5.0']
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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-1000074"
    }
  },
  "description": "RubyGems\u662fRuby\u7684\u4e00\u4e2a\u5305\u7ba1\u7406\u5668\uff0c\u63d0\u4f9b\u4e86\u5206\u53d1Ruby\u7a0b\u5e8f\u548c\u51fd\u5f0f\u5e93\u7684\u6807\u51c6\u683c\u5f0f\u201cgem\u201d\uff0c\u65e8\u5728\u65b9\u4fbf\u5730\u7ba1\u7406gem\u5b89\u88c5\u7684\u5de5\u5177\uff0c\u4ee5\u53ca\u7528\u4e8e\u5206\u53d1gem\u7684\u670d\u52a1\u5668\u3002\r\n\r\nRubyGems\u4e2d\u7684owner\u547d\u4ee4\u5b58\u5728\u4e0d\u53ef\u4fe1\u6570\u636e\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236YAML\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5b9e\u73b0\u4ee3\u7801\u6267\u884c\u3002",
  "discovererName": "unknown",
  "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/rubygems/rubygems/commit/254e3d0ee873c008c0b74e8b8abcbdab4caa0a6d",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-07051",
  "openTime": "2018-04-04",
  "patchDescription": "RubyGems\u662fRuby\u7684\u4e00\u4e2a\u5305\u7ba1\u7406\u5668\uff0c\u63d0\u4f9b\u4e86\u5206\u53d1Ruby\u7a0b\u5e8f\u548c\u51fd\u5f0f\u5e93\u7684\u6807\u51c6\u683c\u5f0f\u201cgem\u201d\uff0c\u65e8\u5728\u65b9\u4fbf\u5730\u7ba1\u7406gem\u5b89\u88c5\u7684\u5de5\u5177\uff0c\u4ee5\u53ca\u7528\u4e8e\u5206\u53d1gem\u7684\u670d\u52a1\u5668\u3002\r\n\r\nRubyGems\u4e2d\u7684owner\u547d\u4ee4\u5b58\u5728\u4e0d\u53ef\u4fe1\u6570\u636e\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236YAML\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5b9e\u73b0\u4ee3\u7801\u6267\u884c\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": "RubyGems\u4e0d\u53ef\u4fe1\u6570\u636e\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "RubyGems Ruby 2.2 series \u003c=2.2.9",
      "RubyGems Ruby 2.3 series \u003c=2.3.6",
      "RubyGems Ruby 2.4 series \u003c=2.4.3",
      "RubyGems Ruby 2.5 series \u003c=2.5.0"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-1000074",
  "serverity": "\u9ad8",
  "submitTime": "2018-03-14",
  "title": "RubyGems\u4e0d\u53ef\u4fe1\u6570\u636e\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e"
}



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Sightings

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Nomenclature

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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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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