cnvd-2021-29113
Vulnerability from cnvd
Title
FreeBSD权限提升漏洞（CNVD-2021-29113）
Description
FreeBSD是Freebsd基金会的一套类Unix操作系统。 FreeBSD 存在安全漏洞，该漏洞源于错误地释放了进程提供的参数字符串。目前没有详细的漏洞细节提供。
Severity
高
Patch Name
FreeBSD权限提升漏洞（CNVD-2021-29113）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，该漏洞源于错误地释放了进程提供的参数字符串。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

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-SA-21:09.accept_filter.asc

Reference
https://exchange.xforce.ibmcloud.com/vulnerabilities/199694
Impacted products
Name
['FreeBSD FreeBSD', 'FreeBSD Freebsd >=12.0，<12.2', 'FreeBSD Freebsd 12.2', 'FreeBSD Freebsd 12.2 p1', 'FreeBSD Freebsd 12.2 p2', 'FreeBSD Freebsd 13.0 beta1', 'FreeBSD Freebsd 13.0 beta2', 'FreeBSD Freebsd 13.0 beta3', 'FreeBSD Freebsd 13.0 beta4', 'FreeBSD Freebsd 13.0 rc1', 'FreeBSD Freebsd 13.0 rc2', 'FreeBSD Freebsd 13.0 rc3']
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-29627"
    }
  },
  "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\u6e90\u4e8e\u9519\u8bef\u5730\u91ca\u653e\u4e86\u8fdb\u7a0b\u63d0\u4f9b\u7684\u53c2\u6570\u5b57\u7b26\u4e32\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "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-SA-21:09.accept_filter.asc",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-29113",
  "openTime": "2021-04-18",
  "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\u6e90\u4e8e\u9519\u8bef\u5730\u91ca\u653e\u4e86\u8fdb\u7a0b\u63d0\u4f9b\u7684\u53c2\u6570\u5b57\u7b26\u4e32\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\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2021-29113\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "FreeBSD FreeBSD",
      "FreeBSD Freebsd \u003e=12.0\uff0c\u003c12.2",
      "FreeBSD Freebsd 12.2",
      "FreeBSD Freebsd 12.2 p1",
      "FreeBSD Freebsd 12.2 p2",
      "FreeBSD Freebsd 13.0 beta1",
      "FreeBSD Freebsd 13.0 beta2",
      "FreeBSD Freebsd 13.0 beta3",
      "FreeBSD Freebsd 13.0 beta4",
      "FreeBSD Freebsd 13.0 rc1",
      "FreeBSD Freebsd 13.0 rc2",
      "FreeBSD Freebsd 13.0 rc3"
    ]
  },
  "referenceLink": "https://exchange.xforce.ibmcloud.com/vulnerabilities/199694",
  "serverity": "\u9ad8",
  "submitTime": "2021-04-12",
  "title": "FreeBSD\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2021-29113\uff09"
}


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  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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