This write-up presents an exploit for a vulnerability in the XNU kernel:
Assigned CVE-2023-32434.
Fixed in iOS 16.5.1 and macOS 13.4.1.
Reachable from the WebContent sandbox and might have been actively exploited.
*Note that this CVE fixed multiple integer overflows, so it is unclear whether or not the integer overflow used in my exploit was also used in-the-wild. Moreover, if it was, it might not have been exploited in the same way.
The exploit has been successfully tested on:
iOS 16.3, 16.3.1, 16.4 and 16.5 (iPhone 14 Pro Max)
macOS 13.1 and 13.4 (MacBook Air M2 2022)
All code snippets shown below are from xnu-8792.81.2.
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#2023 #APT #Apple #EN #Malware #Malware-Description #Triangulation #analysis #iOS #macOS #securelist #spyware
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#2023 #APT #Apple #EN #Malware-Descriptions #Spyware #Targeted-attacks #Triangulation #iOS #malware #securelist
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