Exploitation Summary
CVE-2021-30883 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added May 23, 2022. EIP tracks 1 public exploit.
AI-analyzed exploit summary This repository contains a functional proof-of-concept exploit for CVE-2021-30883, an integer overflow vulnerability in IOMobileFrameBuffer (IOMFB) on iOS 15.0.2. The exploit demonstrates memory corruption via a 32-bit integer overflow in the `BilerpGainTable::new_from_data` function, accessible from the app sandbox without special entitlements.
Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.0.2 and iPadOS 15.0.2, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, macOS Big Sur 11.6.1. 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..
Exploits (1)
This repository contains a functional proof-of-concept exploit for CVE-2021-30883, an integer overflow vulnerability in IOMobileFrameBuffer (IOMFB) on iOS 15.0.2. The exploit demonstrates memory corruption via a 32-bit integer overflow in the `BilerpGainTable::new_from_data` function, accessible from the app sandbox without special entitlements.
References (7)
Scores
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H