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CVE-2023-30443— IBM Db2 denial of service

Quick assessment

Affected
IBM Db2 for Linux, UNIX and Windows
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.

IBM DB2是美国国际商业机器（IBM）公司的一套关系型数据库管理系统。该系统的执行环境主要有UNIX、Linux、IBMi、z/OS以及Windows服务器版本。 IBM DB2存在安全漏洞。攻击者利用该漏洞导致系统拒绝服务。

CVSS 5.3 · Medium EPSS 0.48% · P39

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-30443

Vulnerability Information
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Vulnerability Title
IBM Db2 denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 is vulnerable to denial of service with a specially crafted query.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
IBM DB2 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM DB2是美国国际商业机器（IBM）公司的一套关系型数据库管理系统。该系统的执行环境主要有UNIX、Linux、IBMi、z/OS以及Windows服务器版本。 IBM DB2存在安全漏洞。攻击者利用该漏洞导致系统拒绝服务。
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
IBM Db2 for Linux, UNIX and Windows 10.5, 11.1 ,11.5 cpe:2.3:a:ibm:db2:10.5:*:*:*:*:linux:*:*

II. Public POCs for CVE-2023-30443

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III. Intelligence Information for CVE-2023-30443

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Vendor Advisories for CVE-2023-30443 (1)

Same Patch Batch · IBM · 2024-12-19 · 8 CVEs total

CVE-2024-35141 7.8 HIGH IBM Security Verify Access privilege escalation
CVE-2024-49336 6.5 MEDIUM IBM Security Guardium server-side request forgery
CVE-2024-52897 6.2 MEDIUM IBM MQ information disclosure
CVE-2024-52896 6.2 MEDIUM IBM MQ information disclosure
CVE-2021-39081 5.9 MEDIUM IBM Cognos Analytics Mobile information disclosure
CVE-2024-51471 5.3 MEDIUM IBM MQ Appliance denial of service
CVE-2022-33954 4.6 MEDIUM IBM Robotic Process Automation information disclosure

IV. Related Vulnerabilities

Same product: Db2 for Linux, UNIX and Windows
Same vendor: IBM
Same weakness: CWE-770

V. Comments for CVE-2023-30443

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