According to Ben Hawkes, team leader at Project Zero, the vulnerability has been exploited in the wild as 0day.
Vulnerable component: Apple iOS
CVSSv3 score: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C
CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
The vulnerability allows a local attacker to gain elevated privileges.
The weakness exists due to a boundary error in the Foundation component when handling malicious input. A local attacker can run a specially crafted application, trigger memory corruption and gain elevated privileges.
Note: according to Ben Hawkes, team leader at Project Zero, the vulnerability has been exploited in the wild as 0day.
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