SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-28205

Apple Multiple Products WebKit Use-After-Free Vulnerability

KEVHIGH 8.8EPSS 27.1%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 1 May 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 16.4.1, iOS 15.7.5 and iPadOS 15.7.5, iOS 16.4.1 and iPadOS 16.4.1, macOS Ventura 13.3.1. Processing maliciously crafted 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
27.08% probability · 98th percentile
CISA KEV
Listed 10 April 2023 · due 1 May 2023
Weakness
CWE-416
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/HT213720,https://support.apple.com/en-us/HT213721,https://support.apple.com/en-us/HT213722,https://support.apple.com/en-us/HT213723; https://nvd.nist.gov/vuln/detail/CVE-2023-28205

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