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CVE-2023-50308— 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，该漏洞源于在特定条件下对列式表运行语句时，容易遭受拒绝服务。

CVSS 6.5 · Medium EPSS 0.77% · P54

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-50308

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) 11.5 under certain circumstances could allow an authenticated user to the database to cause a denial of service when a statement is run on columnar tables. IBM X-Force ID: 273393.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
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，该漏洞源于在特定条件下对列式表运行语句时，容易遭受拒绝服务。
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 11.5 -

II. Public POCs for CVE-2023-50308

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III. Intelligence Information for CVE-2023-50308

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Vendor Advisories for CVE-2023-50308 (3)

Same Patch Batch · IBM · 2024-01-22 · 8 CVEs total

CVE-2023-27859 6.5 MEDIUM IBM Db2 code execution
CVE-2023-47152 5.9 MEDIUM IBM Db2 information disclosure
CVE-2023-45193 5.9 MEDIUM IBM Db2 denial of service
CVE-2023-47141 5.3 MEDIUM IBM Db2 denial of service
CVE-2023-47158 5.3 MEDIUM IBM Db2 denial of service
CVE-2023-47747 5.3 MEDIUM IBM Db2 denial of service
CVE-2023-47746 5.3 MEDIUM IBM Db2 denial of service

IV. Related Vulnerabilities

Same product: Db2 for Linux, UNIX and Windows
Same vendor: IBM
Same weakness: CWE-20

V. Comments for CVE-2023-50308

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