CVE-2021-43006 Explained : Impact and Mitigation
Learn about CVE-2021-43006, an Integer Overflow vulnerability in AmZetta Amzetta zPortal DVM Tools, allowing local attackers to execute code or cause denial of service. Find mitigation steps here.
AmZetta Amzetta zPortal DVM Tools is affected by an Integer Overflow vulnerability that can allow local attackers to execute arbitrary code in kernel mode or cause a denial of service.
Understanding CVE-2021-43006
AmZetta Amzetta zPortal DVM Tools has an Integer Overflow vulnerability that poses security risks.
What is CVE-2021-43006?
CVE-2021-43006 is an Integer Overflow vulnerability in AmZetta zPortal DVM Tools that allows attackers to execute arbitrary code or trigger a denial of service through specially crafted I/O Request Packets.
The Impact of CVE-2021-43006
The vulnerability can result in memory corruption, OS crashes, and potentially allow attackers to run code in kernel mode.
Technical Details of CVE-2021-43006
AmZetta zPortal DVM Tools' vulnerability is detailed below.
Vulnerability Description
The vulnerability exists in IOCTL Handler 0x22001B in Amzetta zPortal DVM Tools <= v3.3.148.148, enabling local attackers to exploit it.
Affected Systems and Versions
- Product: AmZetta zPortal DVM Tools
- Versions affected: <= v3.3.148.148
Exploitation Mechanism
Attackers can exploit this vulnerability by sending specially crafted I/O Request Packets to trigger the Integer Overflow.
Mitigation and Prevention
Mitigation steps to address CVE-2021-43006 are crucial.
Immediate Steps to Take
- Apply vendor-supplied patches promptly.
- Monitor for any unusual activity on affected systems.
- Restrict network access to vulnerable systems.
Long-Term Security Practices
- Regularly update and patch software to prevent vulnerabilities.
- Conduct security assessments and penetration testing.
Patching and Updates
- Keep the AmZetta zPortal DVM Tools updated with the latest security patches.