LogoFAIL is a collection of high-impact vulnerabilities discovered in the UEFI firmware code of various independent firmware/BIOS vendors. These vulnerabilities are related to flaws in image parsing libraries embedded into the firmware and can be exploited by threat actors to deliver malicious payloads and bypass security technologies like Secure Boot and Intel Boot Guard.
Description
By injecting a malicious logo image file into the EFI system partition [2] [3] [5], attackers can bypass security solutions and deliver persistent malware during the boot phase [2] [3] [5]. These vulnerabilities affect both x86 and ARM-based devices and impact major independent firmware/BIOS vendors such as AMI [5], Insyde [2] [3], and Phoenix [2] [3], as well as devices from vendors like Intel [2] [3], Acer [2] [3] [4], and Lenovo [2] [3]. The Binarly Research team discovered these vulnerabilities and will present technical information about LogoFAIL at the Black Hat Europe security conference. The findings have been shared with device manufacturers and major UEFI suppliers [4], highlighting the need for improved product security maturity and code quality in firmware development and maintenance. Mitigation steps should be taken to reduce the risk of exploitation and ensure comprehensive security measures in firmware development and maintenance [1]. While the exact scope of the impact is yet to be determined [4], potentially hundreds of devices from various manufacturers are vulnerable. This marks the first public demonstration of attack surfaces related to graphic image parsers in UEFI system firmware since 2009 [3] [5].
Conclusion
The LogoFAIL vulnerabilities have significant implications for device security. It is crucial for device manufacturers and UEFI suppliers to improve product security maturity and code quality in firmware development and maintenance. Mitigation steps must be taken to reduce the risk of exploitation and ensure comprehensive security measures [1]. The impact of these vulnerabilities is still being assessed, but potentially hundreds of devices from various manufacturers are at risk. The discovery of these vulnerabilities highlights the need for ongoing vigilance and improvement in firmware development and maintenance to protect against future threats.
References
[1] https://www.securitynewspaper.com/2023/12/04/inside-logofail-the-uefi-firmware-flaw-compromising-millions-of-devices/
[2] https://owasp.or.id/2023/12/04/uefi-vulnerabilities-expose-devices-to-stealth-malware-attacks/
[3] https://vulners.com/thn/THN:164A8E99DFBF7F2BBA5DDD494F74BC0E
[4] https://securityonline.info/logofail-vulnerabilities-expose-firmware-attacks-endpoint-security-solutions-at-risk/
[5] https://thehackernews.com/2023/12/logofail-uefi-vulnerabilities-expose.html
