Description

CVE-2024-36877 is a write-what-where vulnerability in the SW handler for SMI 0xE3 in Micro-Star International Z-series and B-series motherboards. This vulnerability allows an attacker to write arbitrary data to arbitrary memory locations, potentially leading to code execution or system compromise. The SVRS for this vulnerability is 44, indicating a moderate level of severity.

Key Insights

• Active Exploits: Active exploits have been published for this vulnerability, making it a high-priority target for attackers.
• In the Wild: This vulnerability is actively exploited by hackers, making it essential to take immediate action to mitigate the risk.
• Affected Systems: The vulnerability affects a wide range of Micro-Star International motherboards, including Z-series and B-series models with firmware versions 7D25v14, 7D25v17 to 7D25v19, and 7D25v1A to 7D25v1H.
• Exploitation: The vulnerability can be exploited by sending a specially crafted SMI request to the affected motherboard.

Mitigation Strategies

• Update Firmware: Update the firmware on affected motherboards to the latest version (7D25v20 or later) as soon as possible.
• Disable SMI: Disable SMI 0xE3 in the motherboard's BIOS settings to prevent attackers from exploiting the vulnerability.
• Use a Firewall: Implement a firewall to block unauthorized access to the affected motherboards.
• Monitor Network Traffic: Monitor network traffic for suspicious activity that may indicate an exploitation attempt.

Additional Information

If users have additional queries regarding this incident, they can use the 'Ask to Analyst' feature, contact SOCRadar directly, or open a support ticket for more information if necessary.