Apple released emergency updates to fix recently disclosed zero-day bugs on older devices

Apple released updates to backport patches addressing two actively exploited zero-day vulnerabilities in older iPhones, iPads, and Macs.

Apple has released emergency updates to backport security patches that address two actively exploited zero-day flaws also affecting older iPhones, iPads, and Macs.

On April 7, 2023, Apple has released emergency security updates to address two actively exploited zero-day vulnerabilities, tracked as CVE-2023-28205 and CVE-2023-28206, impacting iPhones, Macs, and iPads.

Impacted devices include:

  • iPhone 8 and later,
  • iPad Pro (all models),
  • iPad Air 3rd generation and later,
  • iPad 5th generation and later,
  • iPad mini 5th generation and later,
  • and Macs running macOS Ventura.

The zero-day CVE-2023-28205 is a use after free issue that resides in the WebKit, its exploitation may lead to arbitrary code execution. An attacker can trigger the flaw by tricking the victims into loading maliciously crafted web pages. The IT giant addressed the flaw with improved memory management.

The zero-day CVE-2023-28206 is an out-of-bounds write issue that resides in the IOSurfaceAccelerator. The company addressed the flaw with improved input validation.

Apple addressed the zero-day issue with the release of macOS Ventura 13.3.1, iOS 16.4.1, iPadOS 16.4.1, and Safari 16.4.1.

Both vulnerabilities were reported by Clément Lecigne of Google’s Threat Analysis Group and Donncha Ó Cearbhaill of Amnesty International’s Security Lab.

On April 10, 2023, US Cybersecurity and Infrastructure Security Agency (CISA) added the two vulnerabilities to its Known Exploited Vulnerabilities catalog.

Today, Apple extended the security updates to the following devices with the release of iOS 15.7.5 and iPadOS 15.7.5macOS Monterey 12.6.5, and macOS Big Sur 11.7.6:

  • iPhone 6s (all models),
  • iPhone 7 (all models),
  • iPhone SE (1st generation),
  • iPad Air 2,
  • iPad mini (4th generation),
  • iPod touch (7th generation),
  • and Macs running macOS Monterey and Big Sur.

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Pierluigi Paganini

(SecurityAffairs – hacking, Apple)

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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