CVE-2019-5912 : Vulnerability Insights and Analysis
Learn about CVE-2019-5912, a vulnerability in the UNARJ32.DLL installer by Micco allowing attackers to gain elevated privileges. Find mitigation steps and preventive measures here.
CVE-2019-5912, assigned by JPCERT, pertains to a vulnerability in the installer of UNARJ32.DLL by Micco. The vulnerability allows an attacker to gain elevated privileges by placing a malicious DLL file in a specific directory.
Understanding CVE-2019-5912
This CVE entry describes an untrusted search path vulnerability in the UNARJ32.DLL installer, enabling privilege escalation through a Trojan horse DLL.
What is CVE-2019-5912?
The vulnerability in the UNARJ32.DLL installer (Ver 1.10.1.25 and earlier) permits attackers to exploit a specific directory by inserting a malicious DLL file, leading to elevated privileges.
The Impact of CVE-2019-5912
The presence of this vulnerability allows threat actors to execute arbitrary code with escalated privileges, posing a significant security risk to affected systems.
Technical Details of CVE-2019-5912
This section delves into the specifics of the vulnerability.
Vulnerability Description
The vulnerability lies in the UNARJ32.DLL installer, enabling attackers to gain elevated privileges by placing a Trojan horse DLL in a designated directory.
Affected Systems and Versions
- Product: The installer of UNARJ32.DLL
- Vendor: Micco
- Versions affected: UNARJ32.DLL for Win32 Ver 1.10.1.25 and earlier
Exploitation Mechanism
Attackers can exploit this vulnerability by inserting a malicious DLL file disguised as a Trojan horse in a specific directory, granting them elevated privileges.
Mitigation and Prevention
To address CVE-2019-5912, follow these mitigation strategies:
Immediate Steps to Take
- Implement file integrity monitoring to detect unauthorized changes
- Restrict access to critical directories
- Regularly update antivirus definitions
Long-Term Security Practices
- Conduct regular security training for employees
- Employ the principle of least privilege
- Monitor system logs for suspicious activities
Patching and Updates
- Apply security patches provided by Micco promptly
- Keep systems up to date with the latest software versions and security updates