CVE-2023-30431— IBM Db2 buffer overflow
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，该漏洞源于容易受到由不正确的边界检查引起的缓冲区溢出的影响。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-30431
Vulnerability Information
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Vulnerability Title
IBM Db2 buffer overflow
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 db2set is vulnerable to a buffer overflow, caused by improper bounds checking. An attacker could overflow the buffer and execute arbitrary code. IBM X-Force ID: 252184.
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
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
IBM DB2 缓冲区错误漏洞
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，该漏洞源于容易受到由不正确的边界检查引起的缓冲区溢出的影响。
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 Linux, UNIX and Windows | 10.5 11.1 ,11.5 | - |
|
II. Public POCs for CVE-2023-30431
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2023-30431 (3)
-
https://www.ibm.com/support/pages/node/7010565 vendor-advisory
Same Patch Batch · IBM · 2023-07-09 · 4 CVEs total
| CVE-2023-27558 | 8.4 HIGH | IBM Db2 privilege escalation |
| CVE-2023-29256 | 5.3 MEDIUM | IBM Db2 information disclosure |
| CVE-2023-23487 | 4.3 MEDIUM | IBM Db2 audit logging |
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V. Comments for CVE-2023-30431
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