SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-32409

Apple Multiple Products WebKit Sandbox Escape Vulnerability

KEVHIGH 8.6EPSS 16.5%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 12 June 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

The issue was addressed with improved bounds checks. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.8 and iPadOS 15.7.8, Safari 16.5, iOS 16.5 and iPadOS 16.5. A remote attacker may be able to break out of Web Content sandbox. Apple is aware of a report that this issue may have been actively exploited.

CVSS 3.1
8.6 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
EPSS
16.53% probability · 97th percentile
CISA KEV
Listed 22 May 2023 · due 12 June 2023
Affected
apple/safari · apple/ipados · apple/iphone os · apple/macos · apple/tvos · apple/watchos
Source
product-security@apple.com

CISA notes

Apply updates per vendor instructions. https://support.apple.com/HT213757, https://support.apple.com/HT213758, https://support.apple.com/HT213761, https://support.apple.com/HT213762, https://support.apple.com/HT213764, https://support.apple.com/HT213765; https://nvd.nist.gov/vuln/detail/CVE-2023-32409

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