cnvd-2020-52841
Vulnerability from cnvd
Title: Python资源管理错误漏洞（CNVD-2020-52841）
Description:
Python是Python软件基金会的一套开源的、面向对象的程序设计语言。该语言具有可扩展、支持模块和包、支持多种平台等特点。
Python 3.8.3及之前版本中的Lib/ipaddress.py文件的IPv4Interface和IPv6Interface存在安全漏洞，该漏洞源于程序未正确计算哈希值。远程攻击者可利用该漏洞造成拒绝服务或创建许多字典条目。
Severity: 中
Patch Name: Python资源管理错误漏洞（CNVD-2020-52841）的补丁
Patch Description:
Python是Python软件基金会的一套开源的、面向对象的程序设计语言。该语言具有可扩展、支持模块和包、支持多种平台等特点。
Python 3.8.3及之前版本中的Lib/ipaddress.py文件的IPv4Interface和IPv6Interface存在安全漏洞，该漏洞源于程序未正确计算哈希值。远程攻击者可利用该漏洞造成拒绝服务或创建许多字典条目。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://bugs.python.org/issue41004
Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-14422
Impacted products
| Name | python Python <=3.8.3 |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2020-14422"
}
},
"description": "Python\u662fPython\u8f6f\u4ef6\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u5f00\u6e90\u7684\u3001\u9762\u5411\u5bf9\u8c61\u7684\u7a0b\u5e8f\u8bbe\u8ba1\u8bed\u8a00\u3002\u8be5\u8bed\u8a00\u5177\u6709\u53ef\u6269\u5c55\u3001\u652f\u6301\u6a21\u5757\u548c\u5305\u3001\u652f\u6301\u591a\u79cd\u5e73\u53f0\u7b49\u7279\u70b9\u3002\n\nPython 3.8.3\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684Lib/ipaddress.py\u6587\u4ef6\u7684IPv4Interface\u548cIPv6Interface\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u6b63\u786e\u8ba1\u7b97\u54c8\u5e0c\u503c\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u6216\u521b\u5efa\u8bb8\u591a\u5b57\u5178\u6761\u76ee\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://bugs.python.org/issue41004",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2020-52841",
"openTime": "2020-09-16",
"patchDescription": "Python\u662fPython\u8f6f\u4ef6\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u5f00\u6e90\u7684\u3001\u9762\u5411\u5bf9\u8c61\u7684\u7a0b\u5e8f\u8bbe\u8ba1\u8bed\u8a00\u3002\u8be5\u8bed\u8a00\u5177\u6709\u53ef\u6269\u5c55\u3001\u652f\u6301\u6a21\u5757\u548c\u5305\u3001\u652f\u6301\u591a\u79cd\u5e73\u53f0\u7b49\u7279\u70b9\u3002\r\n\r\nPython 3.8.3\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684Lib/ipaddress.py\u6587\u4ef6\u7684IPv4Interface\u548cIPv6Interface\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u6b63\u786e\u8ba1\u7b97\u54c8\u5e0c\u503c\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u6216\u521b\u5efa\u8bb8\u591a\u5b57\u5178\u6761\u76ee\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": "Python\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2020-52841\uff09\u7684\u8865\u4e01",
"products": {
"product": "python Python \u003c=3.8.3"
},
"referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-14422",
"serverity": "\u4e2d",
"submitTime": "2020-06-19",
"title": "Python\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2020-52841\uff09"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- 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.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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