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CVE-2022-45347— Apache ShardingSphere-Proxy: MySQL authentication bypass

Quick assessment

Affected
Apache Software Foundation Apache ShardingSphere-Proxy
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache ShardingSphere是美国阿帕奇（Apache）基金会的一套开源的分布式数据库中间件解决方案。 Apache ShardingSphere-Proxy 5.3.0之前版本存在安全漏洞，该漏洞源于在使用MySQL作为数据库后端时，在客户端认证失败后并没有完全清理数据库会话，这使得攻击者可以通过构造一个特殊的MySQL客户端来执行正常的命令。

AI Predicted 9.1 Difficulty: Moderate EPSS 1.39% · P70

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-45347

Vulnerability Information
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Vulnerability Title
Apache ShardingSphere-Proxy: MySQL authentication bypass
Source: CVE Program / CVE List V5
Vulnerability Description
Apache ShardingSphere-Proxy prior to 5.3.0 when using MySQL as database backend didn't cleanup the database session completely after client authentication failed, which allowed an attacker to execute normal commands by constructing a special MySQL client. This vulnerability has been fixed in Apache ShardingSphere 5.3.0.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
清理环节不完整
Source: CVE Program / CVE List V5
Vulnerability Title
Apache ShardingSphere 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache ShardingSphere是美国阿帕奇（Apache）基金会的一套开源的分布式数据库中间件解决方案。 Apache ShardingSphere-Proxy 5.3.0之前版本存在安全漏洞，该漏洞源于在使用MySQL作为数据库后端时，在客户端认证失败后并没有完全清理数据库会话，这使得攻击者可以通过构造一个特殊的MySQL客户端来执行正常的命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache ShardingSphere-Proxy 0 ~ 5.3.0 -

II. Public POCs for CVE-2022-45347

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III. Intelligence Information for CVE-2022-45347

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Mailing List Discussions for CVE-2022-45347 (1)

IV. Related Vulnerabilities

Same vendor: Apache Software Foundation
Same weakness: CWE-459

V. Comments for CVE-2022-45347

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