cnvd-2018-05973
Vulnerability from cnvd

Title: MIT krb5安全绕过漏洞

Description:

MIT krb5(又名MIT Kerberos 5)是美国麻省理工学院(MIT)开发的一套网络认证协议,它采用客户端/服务器结构,并且客户端和服务器端均可对对方进行身份认证(即双重验证),可防止窃听、防止replay攻击等。

MIT krb5 1.6及之后的版本中存在安全漏洞。攻击者可通过提交‘linkdn’和‘containerdn’数据库参数或提交DN字符串利用该漏洞绕过DN container检测。

Severity:

Patch Name: MIT krb5安全绕过漏洞的补丁

Patch Description:

MIT krb5(又名MIT Kerberos 5)是美国麻省理工学院(MIT)开发的一套网络认证协议,它采用客户端/服务器结构,并且客户端和服务器端均可对对方进行身份认证(即双重验证),可防止窃听、防止replay攻击等。

MIT krb5 1.6及之后的版本中存在安全漏洞。攻击者可通过提交‘linkdn’和‘containerdn’数据库参数或提交DN字符串利用该漏洞绕过DN container检测。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:

目前厂商已发布升级补丁以修复漏洞,补丁获取链接: https://github.com/krb5/krb5/commit/e1caf6fb74981da62039846931ebdffed71309d1

Reference: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=891869

Impacted products
Name
MIT krb5 >=5 1.6
Show details on source website


{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-5730"
    }
  },
  "description": "MIT krb5\uff08\u53c8\u540dMIT Kerberos 5\uff09\u662f\u7f8e\u56fd\u9ebb\u7701\u7406\u5de5\u5b66\u9662\uff08MIT\uff09\u5f00\u53d1\u7684\u4e00\u5957\u7f51\u7edc\u8ba4\u8bc1\u534f\u8bae\uff0c\u5b83\u91c7\u7528\u5ba2\u6237\u7aef/\u670d\u52a1\u5668\u7ed3\u6784\uff0c\u5e76\u4e14\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u5747\u53ef\u5bf9\u5bf9\u65b9\u8fdb\u884c\u8eab\u4efd\u8ba4\u8bc1\uff08\u5373\u53cc\u91cd\u9a8c\u8bc1\uff09\uff0c\u53ef\u9632\u6b62\u7a83\u542c\u3001\u9632\u6b62replay\u653b\u51fb\u7b49\u3002\r\n\r\nMIT krb5 1.6\u53ca\u4e4b\u540e\u7684\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u63d0\u4ea4\u2018linkdn\u2019\u548c\u2018containerdn\u2019\u6570\u636e\u5e93\u53c2\u6570\u6216\u63d0\u4ea4DN\u5b57\u7b26\u4e32\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7DN container\u68c0\u6d4b\u3002",
  "discovererName": "Laura Pardo",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/krb5/krb5/commit/e1caf6fb74981da62039846931ebdffed71309d1",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-05973",
  "openTime": "2018-03-22",
  "patchDescription": "MIT krb5\uff08\u53c8\u540dMIT Kerberos 5\uff09\u662f\u7f8e\u56fd\u9ebb\u7701\u7406\u5de5\u5b66\u9662\uff08MIT\uff09\u5f00\u53d1\u7684\u4e00\u5957\u7f51\u7edc\u8ba4\u8bc1\u534f\u8bae\uff0c\u5b83\u91c7\u7528\u5ba2\u6237\u7aef/\u670d\u52a1\u5668\u7ed3\u6784\uff0c\u5e76\u4e14\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u5747\u53ef\u5bf9\u5bf9\u65b9\u8fdb\u884c\u8eab\u4efd\u8ba4\u8bc1\uff08\u5373\u53cc\u91cd\u9a8c\u8bc1\uff09\uff0c\u53ef\u9632\u6b62\u7a83\u542c\u3001\u9632\u6b62replay\u653b\u51fb\u7b49\u3002\r\n\r\nMIT krb5 1.6\u53ca\u4e4b\u540e\u7684\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u63d0\u4ea4\u2018linkdn\u2019\u548c\u2018containerdn\u2019\u6570\u636e\u5e93\u53c2\u6570\u6216\u63d0\u4ea4DN\u5b57\u7b26\u4e32\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7DN container\u68c0\u6d4b\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": "MIT krb5\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "MIT krb5 \u003e=5 1.6"
  },
  "referenceLink": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=891869",
  "serverity": "\u4e2d",
  "submitTime": "2018-03-08",
  "title": "MIT krb5\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}


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