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CNVD-2020-32360

Vulnerability from cnvd - Published: 2020-06-11
VLAI
Title
FreeBSD缓冲区溢出漏洞(CNVD-2020-32360)
Description
FreeBSD是FreeBSD基金会的一套类Unix操作系统。 FreeBSD 12.1-STABLE r356911之前版本和12.1-RELEASE p5之前版本中的cryptodev模块存在缓冲区溢出漏洞,该漏洞源于程序未能充分验证用户提交的MAC密钥长度,攻击者可借助较长的MAC密钥利用该漏洞造成内核错误。
Severity
Patch Name
FreeBSD缓冲区溢出漏洞(CNVD-2020-32360)的补丁
Patch Description
FreeBSD是FreeBSD基金会的一套类Unix操作系统。 FreeBSD 12.1-STABLE r356911之前版本和12.1-RELEASE p5之前版本中的cryptodev模块存在缓冲区溢出漏洞,该漏洞源于程序未能充分验证用户提交的MAC密钥长度,攻击者可借助较长的MAC密钥利用该漏洞造成内核错误。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://security.freebsd.org/advisories/FreeBSD-SA-20:16.cryptodev.asc

Reference
https://security.netapp.com/advisory/ntap-20200518-0008/ https://www.freebsd.org/security/advisories/FreeBSD-SA-20:16.cryptodev.asc
Impacted products
Name
['FreeBSD Freebsd <12.1-RELEASE p5', 'FreeBSD Freebsd <12.1-STABLE r356911']
Show details on source website

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-15880"
    }
  },
  "description": "FreeBSD\u662fFreeBSD\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nFreeBSD 12.1-STABLE r356911\u4e4b\u524d\u7248\u672c\u548c12.1-RELEASE p5\u4e4b\u524d\u7248\u672c\u4e2d\u7684cryptodev\u6a21\u5757\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u5145\u5206\u9a8c\u8bc1\u7528\u6237\u63d0\u4ea4\u7684MAC\u5bc6\u94a5\u957f\u5ea6\uff0c\u653b\u51fb\u8005\u53ef\u501f\u52a9\u8f83\u957f\u7684MAC\u5bc6\u94a5\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u5185\u6838\u9519\u8bef\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://security.freebsd.org/advisories/FreeBSD-SA-20:16.cryptodev.asc",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-32360",
  "openTime": "2020-06-11",
  "patchDescription": "FreeBSD\u662fFreeBSD\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nFreeBSD 12.1-STABLE r356911\u4e4b\u524d\u7248\u672c\u548c12.1-RELEASE p5\u4e4b\u524d\u7248\u672c\u4e2d\u7684cryptodev\u6a21\u5757\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u5145\u5206\u9a8c\u8bc1\u7528\u6237\u63d0\u4ea4\u7684MAC\u5bc6\u94a5\u957f\u5ea6\uff0c\u653b\u51fb\u8005\u53ef\u501f\u52a9\u8f83\u957f\u7684MAC\u5bc6\u94a5\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u5185\u6838\u9519\u8bef\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-2020-32360\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "FreeBSD Freebsd \u003c12.1-RELEASE p5",
      "FreeBSD Freebsd \u003c12.1-STABLE r356911"
    ]
  },
  "referenceLink": "https://security.netapp.com/advisory/ntap-20200518-0008/\r\nhttps://www.freebsd.org/security/advisories/FreeBSD-SA-20:16.cryptodev.asc",
  "serverity": "\u9ad8",
  "submitTime": "2020-05-14",
  "title": "FreeBSD\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-32360\uff09"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Related by attack behaviour

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