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Hundreds of millions of Dell PCs and laptops have been affected by the disaster. Dell has since made updates available. The attackers have not yet exploited the impact. However, counter measures are needed in May.
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Security experts have identified vulnerabilities in the firmware of Dell PCs, laptops and tablets with the Windows operating system. Several hundred million devices supplied since 2009 have been affected. In particular, five security holes classified as highly dangerous (CVE-2021-21551) were found in Dell’s BIOS update tools, namely by security researcher Kasif Tekel from Sentinel One. Announced.
Holes can be used to bypass security software on computers and to access an enterprise network such as our sister publication PC-WORLD. Reports.
Dell has now closed all the gaps. This means that Dell device owners will be protected once component updates are installed. Sentinel One does not wish to provide details of the breaks until June 1, which includes a testimonial. This gives users enough time to protect their Dell devices before information about vulnerabilities is made public. Retailers should advise their customers to do this at the right time.
According to Caesarea Heatfordshire Decale, the victims have not yet been exploited by the attackers. While the details are public, attackers need it Security Advice Posted by Dell, Direct access to devices for exploiting holes. However Dell recommends removing the infected system driver (dbutil_2_3.sys) and offering to do so Related tool. Sentinel One security expert Deckel recommends that Dell device owners fix these vulnerabilities as soon as possible before June 1, 2021.
After the driver is removed, Dell users under Windows 10 will receive the corresponding update in the new driver format to receive further BIOS updates. Updates for computers with Windows 7 and Windows 8.1 should be available by the end of July. You can find additional information about vulnerabilities in Dell systems From Delhi directly on this page.
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