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CVE-2023-27558— IBM Db2 privilege escalation

Quick assessment

Affected
IBM Db2 for 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，该漏洞源于可能容易受到至少一项使用未加引号的服务路径安装的服务导致的权限升级的影响。

CVSS 8.4 · High EPSS 0.24% · P13

Possible ATT&CK Techniques 1 AI

T1546.010 · AppInit DLLs
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I. Basic Information for CVE-2023-27558

Vulnerability Information
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Vulnerability Title
IBM Db2 privilege escalation
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Db2 on Windows 10.5, 11.1, and 11.5 may be vulnerable to a privilege escalation caused by at least one installed service using an unquoted service path. A local attacker could exploit this vulnerability to gain elevated privileges by inserting an executable file in the path of the affected service. IBM X-Force ID: 249194.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
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，该漏洞源于可能容易受到至少一项使用未加引号的服务路径安装的服务导致的权限升级的影响。
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 Windows 10.5, 11.1 ,11.5 -

II. Public POCs for CVE-2023-27558

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III. Intelligence Information for CVE-2023-27558

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Vendor Advisories for CVE-2023-27558 (2)

Same Patch Batch · IBM · 2023-07-09 · 4 CVEs total

CVE-2023-30431 8.4 HIGH IBM Db2 buffer overflow
CVE-2023-29256 5.3 MEDIUM IBM Db2 information disclosure
CVE-2023-23487 4.3 MEDIUM IBM Db2 audit logging

IV. Related Vulnerabilities

Same vendor: IBM

V. Comments for CVE-2023-27558

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