Discover the details of CVE-2023-35012, a vulnerability in IBM Db2 for Linux, UNIX and Windows 11.5 allowing code execution by local users with SYSADM privileges.
A stack-based buffer overflow vulnerability has been discovered in IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) version 11.5 with a Federated configuration. This vulnerability, identified as CVE-2023-35012, can be exploited by a local user with SYSADM privileges to execute arbitrary code on the system.
Understanding CVE-2023-35012
This section provides insights into the nature and impact of the CVE-2023-35012 vulnerability.
What is CVE-2023-35012?
The vulnerability in IBM Db2 for Linux, UNIX and Windows version 11.5 allows a local user with SYSADM privileges to trigger a stack-based buffer overflow, leading to the execution of arbitrary code on the system.
The Impact of CVE-2023-35012
The impact of this vulnerability is rated as MEDIUM according to the CVSS v3.1 base score. It poses a high risk to confidentiality, integrity, and availability of the affected systems.
Technical Details of CVE-2023-35012
Explore the technical aspects of the CVE-2023-35012 vulnerability to understand its implications and risks.
Vulnerability Description
The stack-based buffer overflow in IBM Db2 for Linux, UNIX and Windows 11.5 with a Federated configuration is caused by improper bounds checking. This allows an attacker to overflow the buffer and execute arbitrary code on the system.
Affected Systems and Versions
The vulnerability affects IBM Db2 for Linux, UNIX and Windows version 11.5 with a Federated configuration.
Exploitation Mechanism
A local user with SYSADM privileges can exploit this vulnerability to trigger the stack-based buffer overflow and gain the ability to execute arbitrary code on the system.
Mitigation and Prevention
Learn about the steps to mitigate and prevent the exploitation of CVE-2023-35012.
Immediate Steps to Take
Immediately revoke SYSADM privileges from local users and closely monitor system activities for any suspicious behavior.
Long-Term Security Practices
Implement the principle of least privilege, conduct regular security assessments, and keep systems updated with the latest patches and security fixes.
Patching and Updates
IBM has released patches and updates to address the vulnerability. Ensure that you apply these patches promptly to secure your systems.