cnvd-2015-01825
Vulnerability from cnvd
Title
libssh2 kex_agree_methods函数拒绝服务漏洞
Description
libssh2是一个C函数库，用来实现SSH2协议。 libssh2 kex_agree_methods函数存在安全漏洞，允许攻击者通过SSH_MSG_KEXINIT报文中的特制长度值，使应用程序崩溃。
Severity
中
Patch Name
libssh2 kex_agree_methods函数拒绝服务漏洞的补丁
Patch Description
libssh2是一个C函数库，用来实现SSH2协议。libssh2 kex_agree_methods函数存在安全漏洞，允许攻击者通过SSH_MSG_KEXINIT报文中的特制长度值，使应用程序崩溃。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这个安全问题，请到厂商的主页下载： http://www.libssh2.org/adv_20150311.html

Reference
http://www.libssh2.org/adv_20150311.html https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-1782
Impacted products
Name
libssh2 libssh2 <=1.4.3
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "73061"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-1782"
    }
  },
  "description": "libssh2\u662f\u4e00\u4e2aC\u51fd\u6570\u5e93\uff0c\u7528\u6765\u5b9e\u73b0SSH2\u534f\u8bae\u3002\r\n\r\nlibssh2 kex_agree_methods\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u901a\u8fc7SSH_MSG_KEXINIT\u62a5\u6587\u4e2d\u7684\u7279\u5236\u957f\u5ea6\u503c\uff0c\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u3002",
  "discovererName": "Mariusz Ziulek. Patch written by Mariusz Ziulek and Daniel Stenberg",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttp://www.libssh2.org/adv_20150311.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-01825",
  "openTime": "2015-03-19",
  "patchDescription": "libssh2\u662f\u4e00\u4e2aC\u51fd\u6570\u5e93\uff0c\u7528\u6765\u5b9e\u73b0SSH2\u534f\u8bae\u3002libssh2 kex_agree_methods\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u901a\u8fc7SSH_MSG_KEXINIT\u62a5\u6587\u4e2d\u7684\u7279\u5236\u957f\u5ea6\u503c\uff0c\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\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": "libssh2 kex_agree_methods\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libssh2 libssh2 \u003c=1.4.3"
  },
  "referenceLink": "http://www.libssh2.org/adv_20150311.html\r\nhttps://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-1782",
  "serverity": "\u4e2d",
  "submitTime": "2015-03-17",
  "title": "libssh2 kex_agree_methods\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}


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