SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-32434

Apple Multiple Products Integer Overflow Vulnerability

KEVHIGH 7.8EPSS 51.5%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 14 July 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 9.5.2, macOS Big Sur 11.7.8, iOS 15.7.7 and iPadOS 15.7.7, macOS Monterey 12.6.7, watchOS 8.8.1, iOS 16.5.1 and iPadOS 16.5.1, macOS Ventura 13.4.1. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
51.52% probability · 99th percentile
CISA KEV
Listed 23 June 2023 · due 14 July 2023
Weakness
CWE-190
Affected
apple/ipados · apple/iphone os · apple/macos · apple/watchos
Source
product-security@apple.com

CISA notes

Apply updates per vendor instructions. https://support.apple.com/en-us/HT213808, https://support.apple.com/en-us/HT213812, https://support.apple.com/en-us/HT213809, https://support.apple.com/en-us/HT213810, https://support.apple.com/en-us/HT213813, https://support.apple.com/en-us/HT213811, https://support.apple.com/en-us/HT213814; https://nvd.nist.gov/vuln/detail/CVE-2023-32434

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.