CVE-2021-42994 : Exploit Details and Defense Strategies

Donglify is affected by Buffer Overflow vulnerability, allowing local attackers to execute arbitrary code in kernel mode or cause denial of service. This CVE has a significant impact on affected systems.

Understanding CVE-2021-42994

What is CVE-2021-42994?

Donglify versions above 1.0.12309 and below 1.7.14110 are prone to a Buffer Overflow vulnerability triggered by IOCTL Handler 0x22001B, enabling local attackers to exploit the system.

The Impact of CVE-2021-42994

The vulnerability permits attackers to execute malicious code in kernel mode or disrupt system operations by triggering memory corruption and crashing the operating system.

Technical Details of CVE-2021-42994

Vulnerability Description

The Buffer Overflow vulnerability in Donglify versions above 1.0.12309 and below 1.7.14110 allows local attackers to compromise system integrity via specially crafted I/O Request Packets.

Affected Systems and Versions

Donglify versions above 1.0.12309 and below 1.7.14110

Exploitation Mechanism

Attackers exploit this vulnerability by sending specially crafted I/O Request Packets.

Mitigation and Prevention

Immediate Steps to Take

Update Donglify to a version that patches the vulnerability.
Monitor system logs for any unusual activity.

Long-Term Security Practices

Regularly update software and firmware to mitigate potential vulnerabilities.
Implement strict access controls and least privilege principles.

Patching and Updates

Apply patches released by Donglify promptly to address the Buffer Overflow vulnerability.