SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-41990

Apple Multiple Products Code Execution Vulnerability

KEVHIGH 7.8EPSS 1.35%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 29 January 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

The issue was addressed with improved handling of caches. This issue is fixed in tvOS 16.3, iOS 16.3 and iPadOS 16.3, macOS Monterey 12.6.8, macOS Big Sur 11.7.9, iOS 15.7.8 and iPadOS 15.7.8, macOS Ventura 13.2, watchOS 9.3. Processing a font file may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.1.

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
1.35% probability · 70th percentile
CISA KEV
Listed 8 January 2024 · due 29 January 2024
Affected
apple/ipados · apple/iphone os · apple/macos · apple/tvos · apple/watchos
Source
product-security@apple.com

CISA notes

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://support.apple.com/en-us/HT213599, https://support.apple.com/en-us/HT213601, https://support.apple.com/en-us/HT213605, https://support.apple.com/en-us/HT213606, https://support.apple.com/en-us/HT213842, https://support.apple.com/en-us/HT213844, https://support.apple.com/en-us/HT213845 ; https://nvd.nist.gov/vuln/detail/CVE-2023-41990

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