CNVD-2015-00061

Vulnerability from cnvd - Published: 2015-01-05
VLAI Severity ?
Title
libssh双重释放漏洞
Description
libssh是一个用以访问SSH服务的C语言开发包，通过它可以执行远程命令、文件传输，同时为远程的程序提供安全的传输通道。 libssh存在双重释放漏洞，允许远程攻击者利用漏洞通过精心编制的kexinit数据包发起拒绝服务攻击。
Severity
中
Patch Name
libssh双重释放漏洞的补丁
Patch Description
libssh是一个用以访问SSH服务的C语言开发包，通过它可以执行远程命令、文件传输，同时为远程的程序提供安全的传输通道。 libssh存在双重释放漏洞，允许远程攻击者利用漏洞通过精心编制的kexinit数据包发起拒绝服务攻击。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

目前厂商已经发布升级补丁/版本以修复这个安全问题，请用户及时下载更新： http://www.libssh.org/2014/12/19/libssh-0-6-4-security-and-bugfix-release/

Reference
http://www.libssh.org/2014/12/19/libssh-0-6-4-security-and-bugfix-release/ http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-8132
Impacted products
Name
['libssh libssh 0.5.x', 'libssh libssh 0.6.x<0.6.4']
Show details on source website
To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "71865"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2014-8132"
    }
  },
  "description": "libssh\u662f\u4e00\u4e2a\u7528\u4ee5\u8bbf\u95eeSSH\u670d\u52a1\u7684C\u8bed\u8a00\u5f00\u53d1\u5305\uff0c\u901a\u8fc7\u5b83\u53ef\u4ee5\u6267\u884c\u8fdc\u7a0b\u547d\u4ee4\u3001\u6587\u4ef6\u4f20\u8f93\uff0c\u540c\u65f6\u4e3a\u8fdc\u7a0b\u7684\u7a0b\u5e8f\u63d0\u4f9b\u5b89\u5168\u7684\u4f20\u8f93\u901a\u9053\u3002\r\n\r\nlibssh\u5b58\u5728\u53cc\u91cd\u91ca\u653e\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u901a\u8fc7\u7cbe\u5fc3\u7f16\u5236\u7684kexinit\u6570\u636e\u5305\u53d1\u8d77\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002",
  "discovererName": "unknown",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u5347\u7ea7\u8865\u4e01/\u7248\u672c\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u7528\u6237\u53ca\u65f6\u4e0b\u8f7d\u66f4\u65b0\uff1a\r\nhttp://www.libssh.org/2014/12/19/libssh-0-6-4-security-and-bugfix-release/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-00061",
  "openTime": "2015-01-05",
  "patchDescription": "libssh\u662f\u4e00\u4e2a\u7528\u4ee5\u8bbf\u95eeSSH\u670d\u52a1\u7684C\u8bed\u8a00\u5f00\u53d1\u5305\uff0c\u901a\u8fc7\u5b83\u53ef\u4ee5\u6267\u884c\u8fdc\u7a0b\u547d\u4ee4\u3001\u6587\u4ef6\u4f20\u8f93\uff0c\u540c\u65f6\u4e3a\u8fdc\u7a0b\u7684\u7a0b\u5e8f\u63d0\u4f9b\u5b89\u5168\u7684\u4f20\u8f93\u901a\u9053\u3002\r\n\r\nlibssh\u5b58\u5728\u53cc\u91cd\u91ca\u653e\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u901a\u8fc7\u7cbe\u5fc3\u7f16\u5236\u7684kexinit\u6570\u636e\u5305\u53d1\u8d77\u62d2\u7edd\u670d\u52a1\u653b\u51fb\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": "libssh\u53cc\u91cd\u91ca\u653e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "libssh libssh 0.5.x",
      "libssh libssh 0.6.x\u003c0.6.4"
    ]
  },
  "referenceLink": "http://www.libssh.org/2014/12/19/libssh-0-6-4-security-and-bugfix-release/\r\nhttp://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-8132",
  "serverity": "\u4e2d",
  "submitTime": "2015-01-04",
  "title": "libssh\u53cc\u91cd\u91ca\u653e\u6f0f\u6d1e"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • 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.