Alessio Stefan : 5 July 2024 08:25
A severe security vulnerability has been discovered in MSI Center, a widely used software on Windows systems. This flaw, classified as CVE-2024-37726 and with a CVSS score of 7.8 (high), allows a low-privileged attacker to gain complete control of the system.
Privilege escalation refers to an attack in which a user with limited privileges gains access with higher privileges, such as those of an administrator, without having the proper authorization. This can allow a malicious user to perform actions that would not normally be allowed.
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By exploiting a flaw in the way MSI Center handles permissions, a malicious actor can manipulate the filesystem and trick the software into overwriting or deleting critical files with elevated privileges. In this way, the attacker can take control of the system and perform any action, including installing malware, stealing sensitive data, or even executing arbitrary code with the highest level of privileges. All of this is done through the abuse of symlinks (symbolic links) used to deceive the operating system.
All versions of MSI Center up to and including 2.0.36.0 are vulnerable to this attack. This means that a significant number of Windows systems could be exposed to this serious threat.
The vulnerability can be exploited through the following steps:
In summary, this vulnerability exploits the combination of OpLocks and symbolic links to trick MSI Center into performing high-privileged actions on an arbitrary target file. A low-privileged attacker can leverage this method to gain system control, install malware, steal sensitive data, or cause other severe damage.
This vulnerability opens the door to a number of serious consequences, including:
MSI has addressed the vulnerability in MSI Center version 2.0.38.0, released on July 3, 2024. Immediate patching to this version is crucial to mitigate the risk.
The CVE-2024-37726 vulnerability poses a severe threat to Windows systems using MSI Center. Updating to the latest version and implementing appropriate security measures is essential to mitigate the risk and protect systems from potential cyberattacks.