cnvd-2021-57181
Vulnerability from cnvd
Title
Oracle MySQL Server拒绝服务漏洞
Description
Oracle MySQL Server (mysqld)是MySQL服务器，是执行MySQL安装中大部分工作的主程序。 Oracle MySQL Server 5.7.34、8.0.25及更早版本中的Server: Replication组件存在安全漏洞。攻击者可利用该漏洞导致 MySQL Server 挂起或频繁重复崩溃（完整 DOS），以及对某些MySQL Server可访问数据进行未经授权的更新、插入或删除访问。
Severity
中
Patch Name
Oracle MySQL Server拒绝服务漏洞的补丁
Patch Description
Oracle MySQL Server (mysqld)是MySQL服务器，是执行MySQL安装中大部分工作的主程序。 Oracle MySQL Server 5.7.34、8.0.25及更早版本中的Server: Replication组件存在安全漏洞。攻击者可利用该漏洞导致 MySQL Server 挂起或频繁重复崩溃（完整 DOS），以及对某些MySQL Server可访问数据进行未经授权的更新、插入或删除访问。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.oracle.com/security-alerts/cpujul2021.html

Reference
https://www.oracle.com/security-alerts/cpujul2021.html
Impacted products
Name
['Oracle MySQL Server <=8.0.25', 'Oracle MySQL Server <=5.7.34']
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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-2356",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-2356"
    }
  },
  "description": "Oracle MySQL Server (mysqld)\u662fMySQL\u670d\u52a1\u5668\uff0c\u662f\u6267\u884cMySQL\u5b89\u88c5\u4e2d\u5927\u90e8\u5206\u5de5\u4f5c\u7684\u4e3b\u7a0b\u5e8f\u3002\n\nOracle MySQL Server 5.7.34\u30018.0.25\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684Server: Replication\u7ec4\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4 MySQL Server \u6302\u8d77\u6216\u9891\u7e41\u91cd\u590d\u5d29\u6e83\uff08\u5b8c\u6574 DOS\uff09\uff0c\u4ee5\u53ca\u5bf9\u67d0\u4e9bMySQL Server\u53ef\u8bbf\u95ee\u6570\u636e\u8fdb\u884c\u672a\u7ecf\u6388\u6743\u7684\u66f4\u65b0\u3001\u63d2\u5165\u6216\u5220\u9664\u8bbf\u95ee\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.oracle.com/security-alerts/cpujul2021.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-57181",
  "openTime": "2021-07-26",
  "patchDescription": "Oracle MySQL Server (mysqld)\u662fMySQL\u670d\u52a1\u5668\uff0c\u662f\u6267\u884cMySQL\u5b89\u88c5\u4e2d\u5927\u90e8\u5206\u5de5\u4f5c\u7684\u4e3b\u7a0b\u5e8f\u3002\r\n\r\nOracle MySQL Server 5.7.34\u30018.0.25\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684Server: Replication\u7ec4\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4 MySQL Server \u6302\u8d77\u6216\u9891\u7e41\u91cd\u590d\u5d29\u6e83\uff08\u5b8c\u6574 DOS\uff09\uff0c\u4ee5\u53ca\u5bf9\u67d0\u4e9bMySQL Server\u53ef\u8bbf\u95ee\u6570\u636e\u8fdb\u884c\u672a\u7ecf\u6388\u6743\u7684\u66f4\u65b0\u3001\u63d2\u5165\u6216\u5220\u9664\u8bbf\u95ee\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": "Oracle MySQL Server\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Oracle MySQL Server \u003c=8.0.25",
      "Oracle MySQL Server \u003c=5.7.34"
    ]
  },
  "referenceLink": "https://www.oracle.com/security-alerts/cpujul2021.html",
  "serverity": "\u4e2d",
  "submitTime": "2021-07-21",
  "title": "Oracle MySQL Server\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}


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