cnvd-2021-14798
Vulnerability from cnvd
Title
FreeBSD信息泄露漏洞（CNVD-2021-14798）
Description
FreeBSD是Freebsd基金会的一套类Unix操作系统。 FreeBSD存在安全漏洞，该漏洞允许本地攻击者通过VOP READDIR读取内存片段，以获取敏感信息。 目前没有详细的漏洞细节提供。
Severity
中
Patch Name
FreeBSD信息泄露漏洞（CNVD-2021-14798）的补丁
Patch Description
FreeBSD是Freebsd基金会的一套类Unix操作系统。 FreeBSD存在安全漏洞，该漏洞允许本地攻击者通过VOP READDIR读取内存片段，以获取敏感信息。目前没有详细的漏洞细节提供。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://vuxml.freebsd.org/freebsd/a9c6e9be-61fb-11eb-b87a-901b0ef719ab.html

Reference
https://vigilance.fr/vulnerability/FreeBSD-information-disclosure-via-VOP-READDIR-34432
Impacted products
Name
FreeBSD FreeBSD
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-25579",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-25579"
    }
  },
  "description": "FreeBSD\u662fFreebsd\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nFreeBSD\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u901a\u8fc7VOP READDIR\u8bfb\u53d6\u5185\u5b58\u7247\u6bb5\uff0c\u4ee5\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u3002 \u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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://vuxml.freebsd.org/freebsd/a9c6e9be-61fb-11eb-b87a-901b0ef719ab.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-14798",
  "openTime": "2021-03-07",
  "patchDescription": "FreeBSD\u662fFreebsd\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nFreeBSD\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u901a\u8fc7VOP READDIR\u8bfb\u53d6\u5185\u5b58\u7247\u6bb5\uff0c\u4ee5\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2021-14798\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "FreeBSD FreeBSD"
  },
  "referenceLink": "https://vigilance.fr/vulnerability/FreeBSD-information-disclosure-via-VOP-READDIR-34432",
  "serverity": "\u4e2d",
  "submitTime": "2021-02-24",
  "title": "FreeBSD\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2021-14798\uff09"
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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