Code Found Online Exploits LogoFAIL to Install Bootkitty Linux Backdoor
Fnord666 writes:
Code found online exploits LogoFAIL to install Bootkitty Linux backdoor
Researchers have discovered malicious code circulating in the wild that hijacks the earliest stage boot process of Linux devices by exploiting a year-old firmware vulnerability when it remains unpatched on affected models.
The critical vulnerability is one of a constellation of exploitable flaws discovered last year and given the name LogoFAIL. These exploits are able to override an industry-standard defense known as Secure Boot and execute malicious firmware early in the boot process. Until now, there were no public indications that LogoFAIL exploits were circulating in the wild.
The discovery of code downloaded from an Internet-connected web server changes all that. While there are no indications the public exploit is actively being used, it is reliable and polished enough to be production-ready and could pose a threat in the real world in the coming weeks or months. Both the LogoFAIL vulnerabilities and the exploit found on-line were discovered by Binarly, a firm that helps customers identify and secure vulnerable firmware.
"LogoFAIL was a theoretical vulnerability, and the PoC was not weaponized," Binarly founder and CEO Alex Matrosov wrote in an interview, referring to the proof-of-concept code released by Binarly as part of the company's earlier disclosure. "This discovery shows the issues, which are hard to fix around the ecosystem, could be exploited in the wild and weaponized. The funny part is it's almost a year since we disclosed it publicly, and this happens now when threat actors have adopted it."
See Also:
https://www.welivesecurity.com/en/eset-research/bootkitty-analyzing-first-uefi-bootkit-linux/
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