CVE-2019-5913 : Security Advisory and Response
Learn about CVE-2019-5913, an untrusted search path vulnerability in the LHMelting installer, enabling attackers to gain privileges via a Trojan horse DLL.
A vulnerability known as untrusted search path has been discovered in the installer of LHMelting (specifically LHMelting for Win32 Ver 1.65.3.6 and earlier). This vulnerability enables attackers to obtain privileges by utilizing a Trojan horse DLL located in an unspecified directory.
Understanding CVE-2019-5913
This CVE entry describes a security vulnerability in the LHMelting installer that could allow attackers to escalate privileges through a malicious DLL.
What is CVE-2019-5913?
The CVE-2019-5913 vulnerability is classified as an untrusted search path vulnerability in the LHMelting installer for Win32 versions 1.65.3.6 and earlier. Attackers can exploit this flaw to gain elevated privileges by using a Trojan horse DLL.
The Impact of CVE-2019-5913
The presence of this vulnerability could lead to unauthorized privilege escalation on systems where the affected LHMelting installer is present.
Technical Details of CVE-2019-5913
This section provides more in-depth technical details about the CVE-2019-5913 vulnerability.
Vulnerability Description
The untrusted search path vulnerability in the LHMelting installer allows threat actors to execute arbitrary code with elevated privileges by placing a malicious DLL in an unspecified directory.
Affected Systems and Versions
- Product: The installer of LHMelting
- Vendor: Micco
- Versions affected: LHMelting for Win32 Ver 1.65.3.6 and earlier
Exploitation Mechanism
Attackers can exploit this vulnerability by placing a Trojan horse DLL in a specific directory, leveraging the untrusted search path to execute malicious code with elevated privileges.
Mitigation and Prevention
To address CVE-2019-5913 and enhance system security, the following steps are recommended:
Immediate Steps to Take
- Update the LHMelting installer to a patched version that addresses the vulnerability.
- Implement strict controls on DLL loading to prevent untrusted search path attacks.
Long-Term Security Practices
- Regularly monitor for unauthorized DLLs in critical directories.
- Conduct security assessments to identify and remediate similar vulnerabilities in software installations.
Patching and Updates
- Apply security patches provided by Micco for the LHMelting installer to mitigate the untrusted search path vulnerability.