cnvd - cnvd-2021-57181

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']

Show details on source website

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{
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    "cve": {
      "cveNumber": "CVE-2021-2356",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-2356"
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  "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": [
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      "Oracle MySQL Server \u003c=5.7.34"
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  "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"
}

CVE-2021-2356 (GCVE-0-2021-2356)

Vulnerability from cvelistv5

Published

2021-07-20 22:43

Modified

2024-09-26 14:02

Severity ?

5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H

CWE

Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server as well as unauthorized update, insert or delete access to some of MySQL Server accessible data.

Summary

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are 5.7.34 and prior and 8.0.25 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 5.9 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H).

References

▼	URL	Tags
	https://www.oracle.com/security-alerts/cpujul2021.html	x_refsource_MISC
	https://security.netapp.com/advisory/ntap-20210723-0001/	x_refsource_CONFIRM
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6OO2Q5PIFURXLLKCIJE6XF6VL4LLMNO5/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPJAGVMRKODR4QIXQSVEM4BLRZUM7P3R/	vendor-advisory, x_refsource_FEDORA

Impacted products

	Vendor	Product	Version
	Oracle Corporation	MySQL Server	Version: 5.7.34 and prior Version: 8.0.25 and prior

Show details on NVD website

JSON

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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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