SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-37450

Apple Multiple Products WebKit Code Execution Vulnerability

KEVHIGH 8.8EPSS 18.9%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 August 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

The issue was addressed with improved checks. This issue is fixed in iOS 16.6 and iPadOS 16.6, Safari 16.5.2, tvOS 16.6, macOS Ventura 13.5, watchOS 9.6. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
18.95% probability · 97th percentile
CISA KEV
Listed 13 July 2023 · due 3 August 2023
Affected
apple/safari · apple/ipados · apple/iphone os · apple/macos · apple/tvos · apple/watchos · webkitgtk/webkitgtk\+
Source
product-security@apple.com

CISA notes

Apply updates per vendor instructions or discontinue use of the product if updates are unavailable. https://support.apple.com/en-us/HT213826, https://support.apple.com/en-us/HT213841, https://support.apple.com/en-us/HT213843, https://support.apple.com/en-us/HT213846, https://support.apple.com/en-us/HT213848; https://nvd.nist.gov/vuln/detail/CVE-2023-37450

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