SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-41993

Apple Multiple Products WebKit Code Execution Vulnerability

KEVHIGH 8.8EPSS 29.2%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 16 October 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 macOS Sonoma 14. 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 before iOS 16.7.

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
29.18% probability · 98th percentile
CISA KEV
Listed 25 September 2023 · due 16 October 2023
Weakness
CWE-754
Affected
apple/ipados · apple/iphone os · apple/macos · fedoraproject/fedora · debian/debian linux · oracle/graalvm · oracle/jdk · oracle/jre · netapp/active iq unified manager · netapp/cloud insights acquisition unit · netapp/cloud insights storage workload security agent · netapp/oncommand insight · netapp/oncommand workflow automation · webkitgtk/webkitgtk\+
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/HT213926, https://support.apple.com/en-us/HT213927, https://support.apple.com/en-us/HT213930; https://nvd.nist.gov/vuln/detail/CVE-2023-41993

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