Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2023-27555— 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存在输入验证错误漏洞，该漏洞源于容易受到拒绝服务攻击，当尝试将ACR客户端关联性用于未防护的DRDA联合包装器时，服务器可能会崩溃。

CVSS 5.1 · Medium EPSS 0.60% · P47

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2023-27555

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

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 is vulnerable to a denial of service when attempting to use ACR client affinity for unfenced DRDA federation wrappers. IBM X-Force ID: 249187.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/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 输入验证错误漏洞
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存在输入验证错误漏洞，该漏洞源于容易受到拒绝服务攻击，当尝试将ACR客户端关联性用于未防护的DRDA联合包装器时，服务器可能会崩溃。
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-2023-27555

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2023-27555

请登录查看更多情报信息。

Vendor Advisories for CVE-2023-27555 (3)

Same Patch Batch · IBM · 2023-04-28 · 9 CVEs total

CVE-2023-28528 8.4 HIGH IBM AIX command execution
CVE-2023-26021 7.5 HIGH IBM Db2 denial of service
CVE-2023-27556 6.5 MEDIUM IBM Safer Payments denial of service
CVE-2023-26022 5.9 MEDIUM IBM Db2 denial of service
CVE-2023-25930 5.9 MEDIUM IBM Db2 denial of service
CVE-2023-27557 5.9 MEDIUM IBM Safter Payments information disclosure
CVE-2023-27864 5.4 MEDIUM IBM Maximo Asset Management HTML injection
CVE-2020-4729 5.3 MEDIUM IBM Safer Payments 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-2023-27555

No comments yet

Leave a comment