CNVD-2021-101679

Vulnerability from cnvd - Published: 2021-12-23
VLAI
Title
NumPy缓冲区溢出漏洞
Description
NumPy是一个Python科学计算包。该产品支持大量的维度数组与矩阵计算,同时针对数据运算提供大量的数学函数库。 NumPy 1.9版本存在缓冲区溢出漏洞,该漏洞源于在ctor .c的 PyArray_NewFromDescr_int函数中缺少对于数组长度的限制,导致缓冲区溢出漏洞,攻击者可利用该漏洞导致拒绝服务。
Severity
中
Patch Name
NumPy缓冲区溢出漏洞的补丁
Patch Description
NumPy是一个Python科学计算包。该产品支持大量的维度数组与矩阵计算,同时针对数据运算提供大量的数学函数库。 NumPy 1.9版本存在缓冲区溢出漏洞,该漏洞源于在ctor .c的 PyArray_NewFromDescr_int函数中缺少对于数组长度的限制,导致缓冲区溢出漏洞,攻击者可利用该漏洞导致拒绝服务。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://github.com/numpy/numpy/pull/18989

Reference
https://nvd.nist.gov/vuln/detail/CVE-2021-33430
Impacted products
Name
NumPy NumPy >=1.9.0,<=1.9.3
Show details on source website

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-33430"
    }
  },
  "description": "NumPy\u662f\u4e00\u4e2aPython\u79d1\u5b66\u8ba1\u7b97\u5305\u3002\u8be5\u4ea7\u54c1\u652f\u6301\u5927\u91cf\u7684\u7ef4\u5ea6\u6570\u7ec4\u4e0e\u77e9\u9635\u8ba1\u7b97\uff0c\u540c\u65f6\u9488\u5bf9\u6570\u636e\u8fd0\u7b97\u63d0\u4f9b\u5927\u91cf\u7684\u6570\u5b66\u51fd\u6570\u5e93\u3002\n\nNumPy 1.9\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728ctor .c\u7684 PyArray_NewFromDescr_int\u51fd\u6570\u4e2d\u7f3a\u5c11\u5bf9\u4e8e\u6570\u7ec4\u957f\u5ea6\u7684\u9650\u5236\uff0c\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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://github.com/numpy/numpy/pull/18989",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-101679",
  "openTime": "2021-12-23",
  "patchDescription": "NumPy\u662f\u4e00\u4e2aPython\u79d1\u5b66\u8ba1\u7b97\u5305\u3002\u8be5\u4ea7\u54c1\u652f\u6301\u5927\u91cf\u7684\u7ef4\u5ea6\u6570\u7ec4\u4e0e\u77e9\u9635\u8ba1\u7b97\uff0c\u540c\u65f6\u9488\u5bf9\u6570\u636e\u8fd0\u7b97\u63d0\u4f9b\u5927\u91cf\u7684\u6570\u5b66\u51fd\u6570\u5e93\u3002\r\n\r\nNumPy 1.9\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728ctor .c\u7684 PyArray_NewFromDescr_int\u51fd\u6570\u4e2d\u7f3a\u5c11\u5bf9\u4e8e\u6570\u7ec4\u957f\u5ea6\u7684\u9650\u5236\uff0c\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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": "NumPy\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "NumPy NumPy \u003e=1.9.0\uff0c\u003c=1.9.3"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-33430",
  "serverity": "\u4e2d",
  "submitTime": "2021-12-21",
  "title": "NumPy\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}



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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.
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Related by attack behaviour

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