Back in October 2022, Kaspersky GReAT was looking into a peculiar advertisement on a hacking forum. A cybercriminal had been advertising a UEFI bootkit, dubbed BlackLotus, that could bypass Secure Boot, for $5,000. Given the low price for such powerful capabilities, the cybersecurity community initially took this advertisement with a grain of salt. As no BlackLotus samples were found in the wild, no one could at the time verify the claims made in the forum post.
However, about half a year later, in March 2023, ESET confirmed that the BlackLotus advertisement was genuine. The researchers tracked down samples of this bootkit and confirmed that it can indeed bypass Secure Boot through a vulnerability called Baton Drop (CVE-2022-21894). As this vulnerability was still exploitable in 2023, Microsoft had to release multiple security updates to address it.
Read more…
Source: Kaspersky
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Google Releases Security Updates for Chrome
July 1, 2025
Google has released updates to Chrome stable channels to address a high severity vulnerability. CVE-2025-6554 is a “type confusion” vulnerability in the V8 JavaScript browser engine. An attacker could exploit this vulnerability to perform arbitrary read/write by convincing a user to visit a malicious HTML page. Google is aware that an exploit for CVE-2025-6554 exists in ...
- Iran-linked hackers threaten to release Trump aides’ emails
July 1, 2025
Iran-linked hackers have threatened to disclose more emails stolen from U.S. President Donald Trump’s circle, after distributing a prior batch to the media ahead of the 2024 U.S. election. In online chats with Reuters on Sunday and Monday, the hackers, who go by the pseudonym Robert, said they had roughly 100 gigabytes of emails from the ...
- FBI: Iranian Cyber Actors May Target Vulnerable US Networks and Entities of Interest
June 30, 2025
The Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI), the Department of Defense Cyber Crime Center (DC3), and the National Security Agency (NSA) (hereafter referred to as the authoring agencies) strongly urge organizations to remain vigilant for potential targeted cyber activity against U.S. critical infrastructure and other U.S. entities by Iranian-affiliated cyber ...
- International Criminal Court hit with cyber security attack
June 30, 2025
The International Criminal Court has been targeted by a “sophisticated” cyberattack and is taking measures to limit any damage, the global tribunal announced Monday. The ICC, which also was hit by a cyberattack in 2023, said the latest incident had been contained but did not elaborate further on the impact or possible motive. “A Court-wide impact ...
- Konica Minolta bizhub Multifunction Printer: Pass-Back Attack Vulnerability (NOT FIXED)
June 30, 2025
During security testing, Rapid7 discovered that Konica Minolta bizhub 227 Multifunction printers (MFPs) were vulnerable to a pass-back attack. The affected products identified were: Konica Minolta bizhub MFPs Firmware Version: GCQ-Y3 and earlier This issue has been assigned the following CVEs: CVE-2025-6081: LDAP pass-back vulnerability The Konica Minolta bizhub Multifunction printer (MFP) is an all-in-one enterprise printer designed ...
- Bluetooth security flaw could let hackers spy on your device via microphone
June 30, 2025
Security researchers have uncovered three vulnerabilities in a Bluetooth chipset present in dozens of devices from multiple manufacturers. The vulnerabilities, they say, can be exploited to eavesdrop on people’s conversations, steal call history and contacts information, and possibly even deploy malware on vulnerable devices. However, exploiting the flaws for these purposes is quite difficult, so practical ...