SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-41064

Apple iOS, iPadOS, and macOS ImageIO Buffer Overflow Vulnerability

KEVHIGH 7.8EPSS 45.1%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 2 October 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 16.6.1 and iPadOS 16.6.1, macOS Monterey 12.6.9, macOS Ventura 13.5.2, iOS 15.7.9 and iPadOS 15.7.9, macOS Big Sur 11.7.10. Processing a maliciously crafted image may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
45.06% probability · 99th percentile
CISA KEV
Listed 11 September 2023 · due 2 October 2023
Weakness
CWE-120
Affected
apple/ipados · apple/iphone os · apple/macos
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/HT213905, https://support.apple.com/en-us/HT213906; https://nvd.nist.gov/vuln/detail/CVE-2023-41064

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