cnvd-2020-38778
Vulnerability from cnvd
Title
FreeBSD权限许可和访问控制问题漏洞
Description
FreeBSD是FreeBSD基金会的一套类Unix操作系统。 FreeBSD中的cdrom驱动程序存在安全漏洞。攻击者可利用该漏洞任意覆盖内核内存，进而获取root权限。
Severity
高
Patch Name
FreeBSD权限许可和访问控制问题漏洞的补丁
Patch Description
FreeBSD是FreeBSD基金会的一套类Unix操作系统。 FreeBSD中的cdrom驱动程序存在安全漏洞。攻击者可利用该漏洞任意覆盖内核内存，进而获取root权限。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://security.freebsd.org/advisories/FreeBSD-SA-19:11.cd_ioctl.asc

Reference
https://nvd.nist.gov/vuln/detail/CVE-2019-5602
Impacted products
Name
['FreeBSD Freebsd 12.0-RELEASE，<12.0-RELEASE-p7', 'FreeBSD Freebsd 11.3-RC3，<11.3-RC3-p1', 'FreeBSD Freebsd 11.2-RELEASE，<11.2-RELEASE-p11', 'Freebsd Freebsd 11.3-PRERELEASE，<r349629', 'Freebsd Freebsd 12.0-STABLE，<12.0-STABLE r349628']
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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-5602",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-5602"
    }
  },
  "description": "FreeBSD\u662fFreeBSD\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nFreeBSD\u4e2d\u7684cdrom\u9a71\u52a8\u7a0b\u5e8f\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4efb\u610f\u8986\u76d6\u5185\u6838\u5185\u5b58\uff0c\u8fdb\u800c\u83b7\u53d6root\u6743\u9650\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://security.freebsd.org/advisories/FreeBSD-SA-19:11.cd_ioctl.asc",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-38778",
  "openTime": "2020-07-14",
  "patchDescription": "FreeBSD\u662fFreeBSD\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nFreeBSD\u4e2d\u7684cdrom\u9a71\u52a8\u7a0b\u5e8f\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4efb\u610f\u8986\u76d6\u5185\u6838\u5185\u5b58\uff0c\u8fdb\u800c\u83b7\u53d6root\u6743\u9650\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\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "FreeBSD Freebsd 12.0-RELEASE\uff0c\u003c12.0-RELEASE-p7",
      "FreeBSD Freebsd 11.3-RC3\uff0c\u003c11.3-RC3-p1",
      "FreeBSD Freebsd 11.2-RELEASE\uff0c\u003c11.2-RELEASE-p11",
      "Freebsd Freebsd 11.3-PRERELEASE\uff0c\u003cr349629",
      "Freebsd Freebsd 12.0-STABLE\uff0c\u003c12.0-STABLE r349628"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-5602",
  "serverity": "\u9ad8",
  "submitTime": "2019-07-10",
  "title": "FreeBSD\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e"
}


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