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CVE-2021-36774— Mysql JDBC Connector Deserialize RCE

Quick assessment

Affected
Apache Software Foundation Apache Kylin
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 Kylin是美国阿帕奇（Apache）基金会的一款开源的分布式分析型数据仓库。该产品主要提供Hadoop/Spark之上的SQL查询接口及多维分析（OLAP）等功能。 Apache kylin 存在权限许可和访问控制问题漏洞，该漏洞源于Apache Kylin允许用户使用JDBC从其他数据库系统读取数据。攻击者可利用该漏洞在Kylin服务器进程中执行来自黑客控制的恶意MySQL服务器的任意代码。

AI Predicted 9.8 Difficulty: Easy EPSS 1.95% · P79

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-36774

Vulnerability Information
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Vulnerability Title
Mysql JDBC Connector Deserialize RCE
Source: CVE Program / CVE List V5
Vulnerability Description
Apache Kylin allows users to read data from other database systems using JDBC. The MySQL JDBC driver supports certain properties, which, if left unmitigated, can allow an attacker to execute arbitrary code from a hacker-controlled malicious MySQL server within Kylin server processes. This issue affects Apache Kylin 2 version 2.6.6 and prior versions; Apache Kylin 3 version 3.1.2 and prior versions.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Kylin 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Kylin是美国阿帕奇（Apache）基金会的一款开源的分布式分析型数据仓库。该产品主要提供Hadoop/Spark之上的SQL查询接口及多维分析（OLAP）等功能。 Apache kylin 存在权限许可和访问控制问题漏洞，该漏洞源于Apache Kylin允许用户使用JDBC从其他数据库系统读取数据。攻击者可利用该漏洞在Kylin服务器进程中执行来自黑客控制的恶意MySQL服务器的任意代码。
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 Kylin Apache Kylin 2 ~ 2.6.6 -

II. Public POCs for CVE-2021-36774

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III. Intelligence Information for CVE-2021-36774

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Mailing List Discussions for CVE-2021-36774 (2)

Same Patch Batch · Apache Software Foundation · 2022-01-06 · 10 CVEs total

CVE-2021-43045 Possible DOS vulnerabilities in C# Avro SDK
CVE-2021-45458 Hardcoded credentials
CVE-2021-45457 Overly broad CORS configuration
CVE-2021-45456 Command injection
CVE-2021-31522 Apache Kylin unsafe class loading
CVE-2021-27738 Improper Access Control to Streaming Coordinator & SSRF
CVE-2021-36739 XSS vulnerability in the MVCBean JSP portlet maven archetype
CVE-2021-36738 XSS vulnerability in the JSP version of the Apache Pluto Applicant MVCBean CDI portlet
CVE-2021-36737 XSS in V3 Demo Portlet

IV. Related Vulnerabilities

Same product: Apache Kylin
Same vendor: Apache Software Foundation

V. Comments for CVE-2021-36774

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