CNVD-2015-04895

Vulnerability from cnvd - Published: 2015-07-28
VLAI Severity ?
Title
OpenSSH键盘交互验证暴力破解漏洞
Description
OpenSSH是一款SSH协议开放源代码实现。 在开启键盘交互的OpenSSH实现时存在安全漏洞，允许攻击者绕过MaxAuthTries限制，进行暴力破解攻击。
Severity
中
Formal description

目前没有详细解决方案提供： http://www.openssh.com/

Reference
https://kingcope.wordpress.com/2015/07/16/openssh-keyboard-interactive-authentication-brute-force-vulnerability-maxauthtries-bypass/
Impacted products
Name
Openssh OpenSSH <=6.9
Show details on source website
To clipboard Create KEV Entry 

{
  "description": "OpenSSH\u662f\u4e00\u6b3eSSH\u534f\u8bae\u5f00\u653e\u6e90\u4ee3\u7801\u5b9e\u73b0\u3002\r\n\r\n\u5728\u5f00\u542f\u952e\u76d8\u4ea4\u4e92\u7684OpenSSH\u5b9e\u73b0\u65f6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u7ed5\u8fc7MaxAuthTries\u9650\u5236\uff0c\u8fdb\u884c\u66b4\u529b\u7834\u89e3\u653b\u51fb\u3002",
  "discovererName": "OpenSSH",
  "formalWay": "\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u89e3\u51b3\u65b9\u6848\u63d0\u4f9b\uff1a\r\nhttp://www.openssh.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-04895",
  "openTime": "2015-07-28",
  "products": {
    "product": "Openssh OpenSSH  \u003c=6.9"
  },
  "referenceLink": "https://kingcope.wordpress.com/2015/07/16/openssh-keyboard-interactive-authentication-brute-force-vulnerability-maxauthtries-bypass/",
  "serverity": "\u4e2d",
  "submitTime": "2015-07-24",
  "title": "OpenSSH\u952e\u76d8\u4ea4\u4e92\u9a8c\u8bc1\u66b4\u529b\u7834\u89e3\u6f0f\u6d1e"
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.



Detection rules are retrieved from Rulezet.