cnvd-2018-20775
Vulnerability from cnvd
Title
FreeBSD空指针引用漏洞
Description
FreeBSD是由Core Team团队负责的FreeBSD项目中的一套类Unix自由操作系统，是经过BSD、386BSD和4.4BSD发展而来的类Unix的一个重要分支。 FreeBSD存在空指针引用漏洞，本地攻击者可利用该漏洞造成内核崩溃（空指针逆向引用）。
Severity
低
Patch Name
FreeBSD空指针引用漏洞的补丁
Patch Description
FreeBSD是由Core Team团队负责的FreeBSD项目中的一套类Unix自由操作系统，是经过BSD、386BSD和4.4BSD发展而来的类Unix的一个重要分支。 FreeBSD存在空指针引用漏洞，本地攻击者可利用该漏洞造成内核崩溃（空指针逆向引用）。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

厂商已发布了漏洞修复程序，请及时关注更新： https://www.freebsd.org/security/advisories/FreeBSD-EN-18:11.listen.asc

Reference
https://nvd.nist.gov/vuln/detail/CVE-2018-6925
Impacted products
Name
['FreeBSD FreeBSD <FreeBSD 11.2-STABLE(r338986)', 'FreeBSD FreeBSD <11.2-RELEASE-p4', 'FreeBSD FreeBSD <11.1-RELEASE-p15', 'FreeBSD FreeBSD <10.4-STABLE(r338985)', 'FreeBSD FreeBSD <10.4-RELEASE-p13']
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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-6925",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6925"
    }
  },
  "description": "FreeBSD\u662f\u7531Core Team\u56e2\u961f\u8d1f\u8d23\u7684FreeBSD\u9879\u76ee\u4e2d\u7684\u4e00\u5957\u7c7bUnix\u81ea\u7531\u64cd\u4f5c\u7cfb\u7edf\uff0c\u662f\u7ecf\u8fc7BSD\u3001386BSD\u548c4.4BSD\u53d1\u5c55\u800c\u6765\u7684\u7c7bUnix\u7684\u4e00\u4e2a\u91cd\u8981\u5206\u652f\u3002\r\n\r\nFreeBSD\u5b58\u5728\u7a7a\u6307\u9488\u5f15\u7528\u6f0f\u6d1e\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u5185\u6838\u5d29\u6e83\uff08\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\uff09\u3002",
  "discovererName": "Jakub Jirasek, Secunia",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.freebsd.org/security/advisories/FreeBSD-EN-18:11.listen.asc",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-20775",
  "openTime": "2018-10-12",
  "patchDescription": "FreeBSD\u662f\u7531Core Team\u56e2\u961f\u8d1f\u8d23\u7684FreeBSD\u9879\u76ee\u4e2d\u7684\u4e00\u5957\u7c7bUnix\u81ea\u7531\u64cd\u4f5c\u7cfb\u7edf\uff0c\u662f\u7ecf\u8fc7BSD\u3001386BSD\u548c4.4BSD\u53d1\u5c55\u800c\u6765\u7684\u7c7bUnix\u7684\u4e00\u4e2a\u91cd\u8981\u5206\u652f\u3002\r\n\r\nFreeBSD\u5b58\u5728\u7a7a\u6307\u9488\u5f15\u7528\u6f0f\u6d1e\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u5185\u6838\u5d29\u6e83\uff08\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\uff09\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": "FreeBSD\u7a7a\u6307\u9488\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "FreeBSD FreeBSD \u003cFreeBSD 11.2-STABLE(r338986)",
      "FreeBSD FreeBSD \u003c11.2-RELEASE-p4",
      "FreeBSD FreeBSD \u003c11.1-RELEASE-p15",
      "FreeBSD FreeBSD \u003c10.4-STABLE(r338985)",
      "FreeBSD FreeBSD \u003c10.4-RELEASE-p13"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-6925",
  "serverity": "\u4f4e",
  "submitTime": "2018-09-30",
  "title": "FreeBSD\u7a7a\u6307\u9488\u5f15\u7528\u6f0f\u6d1e"
}


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