SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-32435

Apple Multiple Products WebKit Memory Corruption Vulnerability

KEVHIGH 8.8EPSS 22.8%

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

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Ventura 13.3, Safari 16.4, iOS 16.4 and iPadOS 16.4, iOS 15.7.7 and iPadOS 15.7.7. Processing web content 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.

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
22.78% probability · 98th percentile
CISA KEV
Listed 23 June 2023 · due 14 July 2023
Weakness
CWE-787
Affected
apple/safari · apple/ipados · apple/iphone os · apple/macos
Source
product-security@apple.com

CISA notes

Apply updates per vendor instructions. https://support.apple.com/en-us/HT213670, https://support.apple.com/en-us/HT213671, https://support.apple.com/en-us/HT213676, https://support.apple.com/en-us/HT213811; https://nvd.nist.gov/vuln/detail/CVE-2023-32435

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