Security

Apple fixes CVE-2021-30807 flaw, the 13th zero-day this year

Apple released a security update that addresses CVE-2021-30807 flaw in macOS and iOS that may have been actively exploited to deliver malware

Apple addressed a security flaw, tracked as CVE-2021-30807, in macOS and iOS that may have been actively exploited to plant malware on vulnerable devices. The vulnerability resides in the IOMobileFramebuffer, which is a kernel extension for managing the screen framebuffer. It is controlled by the user-land framework IOMobileFramework.

The IT giant did not publish details about the attacks either the attackers that exploited the vulnerability.

An attacker could trigger the CVE-2021-30807 to execute arbitrary code with kernel privileges on a vulnerable device.

Attackers could exploit the flaw to take full control over a device.

“An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.” reads the advisory published by Apple.

Apple addressed the memory corruption issue by improving memory handling.

This is the 13th zero-day flaw fixed by Apple this year:

CVE
CVE-2021-1782
CVE-2021-1870
CVE-2021-1871
CVE-2021-1879
CVE-2021-30657
CVE-2021-30661
CVE-2021-30663
CVE-2021-30665
CVE-2021-30666
CVE-2021-30713
CVE-2021-30761
CVE-2021-30762

 

Apple addressed the flaw with the release of macOS Big Sur 11.5.1, iOS 14.7.1, and iPadOS 14.7.1, versions.

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Pierluigi Paganini

(SecurityAffairs – hacking, APT41)

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Pierluigi Paganini

Pierluigi Paganini is member of the ENISA (European Union Agency for Network and Information Security) Threat Landscape Stakeholder Group and Cyber G7 Group, he is also a Security Evangelist, Security Analyst and Freelance Writer. Editor-in-Chief at "Cyber Defense Magazine", Pierluigi is a cyber security expert with over 20 years experience in the field, he is Certified Ethical Hacker at EC Council in London. The passion for writing and a strong belief that security is founded on sharing and awareness led Pierluigi to find the security blog "Security Affairs" recently named a Top National Security Resource for US. Pierluigi is a member of the "The Hacker News" team and he is a writer for some major publications in the field such as Cyber War Zone, ICTTF, Infosec Island, Infosec Institute, The Hacker News Magazine and for many other Security magazines. Author of the Books "The Deep Dark Web" and “Digital Virtual Currency and Bitcoin”.

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