CVE-2023-47141 Explained : Impact and Mitigation
Learn about CVE-2023-47141, a medium severity vulnerability in IBM Db2 for Linux, UNIX, and Windows version 11.5. Find out how an authenticated user could exploit it for a denial of service attack.
This article provides an insight into CVE-2023-47141, a vulnerability in IBM Db2 for Linux, UNIX, and Windows version 11.5 that could lead to a denial of service attack when exploited.
Understanding CVE-2023-47141
CVE-2023-47141 is a vulnerability in IBM Db2 for Linux, UNIX, and Windows version 11.5 that allows an authenticated user with CONNECT privileges to cause a denial of service using a specially crafted query.
What is CVE-2023-47141?
CVE-2023-47141 is categorized as CWE-20 (Improper Input Validation) and has a CVSS V3.1 base score of 5.3, indicating a medium severity vulnerability. The vulnerability requires low privileges to exploit and has a high impact on availability.
The Impact of CVE-2023-47141
The impact of this vulnerability is that an authenticated user could exploit it to launch a denial of service attack, potentially disrupting the availability of the affected IBM Db2 servers running version 11.5.
Technical Details of CVE-2023-47141
CVE-2023-47141 is a vulnerability in IBM Db2 for Linux, UNIX, and Windows version 11.5 that could allow an authenticated user with CONNECT privileges to cause a denial of service using a specially crafted query.
Vulnerability Description
The vulnerability stems from improper input validation, allowing an attacker to manipulate queries to trigger a denial of service condition on the affected Db2 servers.
Affected Systems and Versions
IBM Db2 for Linux, UNIX, and Windows version 11.5 is the only known affected system by this vulnerability.
Exploitation Mechanism
An authenticated user with CONNECT privileges can exploit this vulnerability by submitting a specially crafted query to the Db2 server, leading to a denial of service.
Mitigation and Prevention
To mitigate the risk associated with CVE-2023-47141, IBM recommends taking immediate steps and adopting long-term security practices.
Immediate Steps to Take
Ensure that the affected IBM Db2 servers are updated with the latest patches and configurations to address the vulnerability.
Long-Term Security Practices
Implement proper input validation mechanisms and regularly update and patch the IBM Db2 servers to prevent exploitation of similar vulnerabilities in the future.
Patching and Updates
Refer to the vendor advisory from IBM for guidance on applying patches or updates to remediate CVE-2023-47141.