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Operation Triangulation: zero-click iMessage spyware on Kaspersky's iPhones

Apple iOS (and other Apple OSes sharing the bugs)

Kaspersky found a years-long zero-click iMessage campaign on its own staff's iPhones. The chain used several Apple zero-days, including a bypass of hardware memory protections through undocumented MMIO registers (CVE-2023-38606), which was revealed at 37C3 in December 2023.

Why this severity: Zero-click spyware chain, actively exploited (CISA KEV)

Started
Jun 1, 2023
Closed
Dec 27, 2023

Follow this incident

Affected

  • Exploited against iOS versions before iOS 15.7 / 15.7.1 (NVD)

Fixed in

  • CVE-2023-32434: iOS 16.5.1, iOS 15.7.7, macOS Ventura 13.4.1, Monterey 12.6.7, Big Sur 11.7.8, watchOS 9.5.2, 8.8.1 (NVD)
  • CVE-2023-32435: iOS 16.4, iOS 15.7.7, macOS Ventura 13.3, Safari 16.4 (NVD)
  • CVE-2023-38606: iOS 16.6, iOS 15.7.8, macOS Ventura 13.5, Monterey 12.6.8, Big Sur 11.7.9, tvOS 16.6, watchOS 9.6 (NVD)

Updates by day4

▸Dec 27, 2023

Link #
  1. At 37C3, Kaspersky details the hardware-feature bypass behind CVE-2023-38606

    Source

▸Jul 24, 2023

Link #
  1. Apple fixes CVE-2023-38606 (iOS 16.6); KEV entry follows on July 26

    Source

▸Jun 21, 2023

Link #
  1. Apple fixes CVE-2023-32434 and CVE-2023-32435; CISA adds them to KEV on June 23

    Source

▸Jun 1, 2023

Link #
  1. Kaspersky discloses Operation Triangulation

    Source

Advisories4

News & write-ups2

Notes & caveats

The chain also used CVE-2023-41990 (TrueType, added to KEV in January 2024, so not listed here).

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