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CVE-2023-40377— IBM i privilege escalation

Quick assessment

Affected
IBM i
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 i是美国国际商业机器（IBM）公司的一套运行在IBM Power Systems和IBM PureSystems中的操作系统。 IBM i 7.2版本，7.3版本，7.4版本存在安全漏洞，该漏洞源于存在本地权限提升漏洞。攻击者可利用该漏洞提升权限并获得对主机操作体系的组件访问权。

CVSS 4.9 · Medium EPSS 0.14% · P3

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2023-40377

Vulnerability Information
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Vulnerability Title
IBM i privilege escalation
Source: CVE Program / CVE List V5
Vulnerability Description
Backup, Recovery, and Media Services (BRMS) for IBM i 7.2, 7.3, and 7.4 contains a local privilege escalation vulnerability. A malicious actor with command line access to the host operating system can elevate privileges to gain component access to the host operating system. IBM X-Force ID: 263583.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
IBM i 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM i是美国国际商业机器（IBM）公司的一套运行在IBM Power Systems和IBM PureSystems中的操作系统。 IBM i 7.2版本，7.3版本，7.4版本存在安全漏洞，该漏洞源于存在本地权限提升漏洞。攻击者可利用该漏洞提升权限并获得对主机操作体系的组件访问权。
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 i 7.2, 7.3, 7.4 -

II. Public POCs for CVE-2023-40377

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III. Intelligence Information for CVE-2023-40377

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Vendor Advisories for CVE-2023-40377 (2)

Same Patch Batch · IBM · 2023-10-16 · 12 CVEs total

CVE-2023-38280 8.4 HIGH IBM Power HMC privilege escalation
CVE-2023-30991 7.5 HIGH IBM Db2 denial of service
CVE-2023-40373 5.3 MEDIUM IBM Db2 denial of service
CVE-2023-40372 5.3 MEDIUM IBM Db2 denial of service
CVE-2023-40374 5.3 MEDIUM IBM Db2 denial of service
CVE-2023-38728 5.3 MEDIUM IBM Db2 denial of service
CVE-2023-38740 5.3 MEDIUM IBM Db2 denial of service
CVE-2023-38720 5.3 MEDIUM IBM Db2 denial of service
CVE-2023-30987 5.3 MEDIUM IBM Db2 denial of service
CVE-2023-33836 5.3 MEDIUM IBM Security Verify Governance information disclosure
CVE-2023-38719 5.1 MEDIUM IBM Db2 denial of service

IV. Related Vulnerabilities

Same product: i
Same vendor: IBM
Same weakness: CWE-269

V. Comments for CVE-2023-40377

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