cnvd-2022-08173
Vulnerability from cnvd
Title
FreeBSD缓冲区溢出漏洞（CNVD-2022-08173）
Description
FreeBSD是Freebsd基金会的一套类Unix操作系统。 FreeBSD vt console存在缓冲区溢出漏洞，该漏洞源于边界错误。攻击者可利用该漏洞触发缓冲区溢出并覆盖与系统控制台或其他内核内存相关的数据结构，升级系统权限。
Severity
中
Patch Name
FreeBSD缓冲区溢出漏洞（CNVD-2022-08173）的补丁
Patch Description
FreeBSD是Freebsd基金会的一套类Unix操作系统。 FreeBSD vt console存在缓冲区溢出漏洞，该漏洞源于边界错误。攻击者可利用该漏洞触发缓冲区溢出并覆盖与系统控制台或其他内核内存相关的数据结构，升级系统权限。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： http://www.freebsd.org/security/advisories/FreeBSD-SA-22:01.vt.asc

Reference
https://nvd.nist.gov/vuln/detail/CVE-2021-29632
Impacted products
Name
FreeBSD FreeBSD
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-29632"
    }
  },
  "description": "FreeBSD\u662fFreebsd\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nFreeBSD vt console\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8fb9\u754c\u9519\u8bef\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u89e6\u53d1\u7f13\u51b2\u533a\u6ea2\u51fa\u5e76\u8986\u76d6\u4e0e\u7cfb\u7edf\u63a7\u5236\u53f0\u6216\u5176\u4ed6\u5185\u6838\u5185\u5b58\u76f8\u5173\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5347\u7ea7\u7cfb\u7edf\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\nhttp://www.freebsd.org/security/advisories/FreeBSD-SA-22:01.vt.asc",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-08173",
  "openTime": "2022-02-02",
  "patchDescription": "FreeBSD\u662fFreebsd\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nFreeBSD vt console\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8fb9\u754c\u9519\u8bef\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u89e6\u53d1\u7f13\u51b2\u533a\u6ea2\u51fa\u5e76\u8986\u76d6\u4e0e\u7cfb\u7edf\u63a7\u5236\u53f0\u6216\u5176\u4ed6\u5185\u6838\u5185\u5b58\u76f8\u5173\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5347\u7ea7\u7cfb\u7edf\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\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2022-08173\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "FreeBSD FreeBSD"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-29632",
  "serverity": "\u4e2d",
  "submitTime": "2022-01-13",
  "title": "FreeBSD\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2022-08173\uff09"
}


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