cnvd-2015-02696
Vulnerability from cnvd
Title
chrony堆缓冲区溢出漏洞
Description
chrony是软件开发者Richard Curnow所研发的一套用于维护计算机系统时钟精度的工具。该工具包含chronyd（在系统后台运行的守护进程）和chronyc（用来监控chronyd性能和配置其参数的用户界面）程序。 chrony 1.31.1之前版本存在堆缓冲区溢出漏洞。当程序配置NTP或cmdmon访问控制权限时，远程攻击者可借助特定的地址/子网掩码（address/subnet）对利用该漏洞造成拒绝服务（chronyd崩溃），或执行任意代码。
Severity
中
Formal description

目前没有详细解决方案提供： http://chrony.tuxfamily.org/index.html

Reference
http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html
Impacted products
Name
Chrony Chrony <1.31.1
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "73955"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-1821"
    }
  },
  "description": "chrony\u662f\u8f6f\u4ef6\u5f00\u53d1\u8005Richard Curnow\u6240\u7814\u53d1\u7684\u4e00\u5957\u7528\u4e8e\u7ef4\u62a4\u8ba1\u7b97\u673a\u7cfb\u7edf\u65f6\u949f\u7cbe\u5ea6\u7684\u5de5\u5177\u3002\u8be5\u5de5\u5177\u5305\u542bchronyd\uff08\u5728\u7cfb\u7edf\u540e\u53f0\u8fd0\u884c\u7684\u5b88\u62a4\u8fdb\u7a0b\uff09\u548cchronyc\uff08\u7528\u6765\u76d1\u63a7chronyd\u6027\u80fd\u548c\u914d\u7f6e\u5176\u53c2\u6570\u7684\u7528\u6237\u754c\u9762\uff09\u7a0b\u5e8f\u3002\r\n\r\nchrony 1.31.1\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u5f53\u7a0b\u5e8f\u914d\u7f6eNTP\u6216cmdmon\u8bbf\u95ee\u63a7\u5236\u6743\u9650\u65f6\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5b9a\u7684\u5730\u5740/\u5b50\u7f51\u63a9\u7801\uff08address/subnet\uff09\u5bf9\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08chronyd\u5d29\u6e83\uff09\uff0c\u6216\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "discovererName": "Miroslav Lichv\u0026aacute;r of Red Hat",
  "formalWay": "\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u89e3\u51b3\u65b9\u6848\u63d0\u4f9b\uff1a\r\nhttp://chrony.tuxfamily.org/index.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-02696",
  "openTime": "2015-04-24",
  "products": {
    "product": "Chrony Chrony \u003c1.31.1"
  },
  "referenceLink": "http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html",
  "serverity": "\u4e2d",
  "submitTime": "2015-04-23",
  "title": "chrony\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}


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