CVE-2022-40746 Explained : Impact and Mitigation
Learn about CVE-2022-40746, a high-severity vulnerability in IBM i Access Family versions 1.1.2 to 1.1.9.0. Find out how an attacker could execute arbitrary code on the system and steps to mitigate the risk.
This article provides detailed information about CVE-2022-40746, a vulnerability in IBM i Access Family versions 1.1.2 through 1.1.4 and 1.1.4.3 through 1.1.9.0. The vulnerability could allow a local authenticated attacker to execute arbitrary code on the system.
Understanding CVE-2022-40746
What is CVE-2022-40746?
IBM i Access Family versions 1.1.2 through 1.1.4 and 1.1.4.3 through 1.1.9.0 are affected by a DLL search order hijacking vulnerability. An attacker with local authentication could exploit this vulnerability to execute arbitrary code on the system.
The Impact of CVE-2022-40746
The impact of this vulnerability is rated as HIGH. An attacker could potentially execute arbitrary code on the affected system, leading to confidentiality, integrity, and availability impacts.
Technical Details of CVE-2022-40746
Vulnerability Description
The vulnerability in IBM i Access Family versions allows a local attacker to execute arbitrary code by manipulating DLL search order. A specially crafted file in a compromised folder can be used to exploit this vulnerability.
Affected Systems and Versions
The affected versions include IBM i Access Family 1.1.2 through 1.1.4 and 1.1.4.3 through 1.1.9.0.
Exploitation Mechanism
By placing a malicious file in a compromised directory, a local authenticated attacker could exploit the DLL search order hijacking vulnerability to execute arbitrary code on the system.
Mitigation and Prevention
Immediate Steps to Take
To mitigate the risk associated with CVE-2022-40746, it is recommended to update the affected IBM i Access Family versions to a secure patch level. Implementing proper file system permissions and monitoring can also help prevent unauthorized file execution.
Long-Term Security Practices
Regularly updating and patching software is essential to address known vulnerabilities and enhance system security. Additionally, monitoring for unauthorized file modifications and maintaining strict access controls are important security practices.
Patching and Updates
IBM has released patches and security updates to address the vulnerability in affected versions. It is crucial for users to apply these patches promptly to secure their systems.