CVE-2021-29763
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 for Linux、UNIX和Windows(包括Db2 Connect Server) 存在安全漏洞，该漏洞源于软件可以允许本地用户继续运行可能导致系统内存耗尽的过程，并导致拒绝服务。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-29763
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 under very specific conditions, could allow a local user to keep running a procedure that could cause the system to run out of memory.and cause a denial of service. IBM X-Force ID: 202267.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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 for Linux、UNIX和Windows(包括Db2 Connect Server) 存在安全漏洞，该漏洞源于软件可以允许本地用户继续运行可能导致系统内存耗尽的过程，并导致拒绝服务。
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 | 11.1 | - |
|
II. Public POCs for CVE-2021-29763
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-29763 (2)
-
https://security.netapp.com/advisory/ntap-20211029-0005/ x_refsource_CONFIRM
-
Same Patch Batch · IBM · 2021-09-16 · 4 CVEs total
| CVE-2021-29842 | IBM WebSphere Application Server 信息泄露漏洞 | |
| CVE-2021-29825 | IBM Db2 信息泄露漏洞 | |
| CVE-2021-29752 | IBM DB2 信息泄露漏洞 |
IV. Related Vulnerabilities
Same vendor: IBM
V. Comments for CVE-2021-29763
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