SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2022-32893

Apple iOS and macOS Out-of-Bounds Write Vulnerability

KEVHIGH 8.8EPSS 9.93%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 8 September 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.6.1 and iPadOS 15.6.1, macOS Monterey 12.5.1, Safari 15.6.1. 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
9.93% probability · 95th percentile
CISA KEV
Listed 18 August 2022 · due 8 September 2022
Weakness
CWE-787
Affected
apple/safari · apple/ipados · apple/iphone os · apple/macos · fedoraproject/fedora · debian/debian linux · webkitgtk/webkitgtk · wpewebkit/wpe webkit
Source
product-security@apple.com

CISA notes

Apply updates per vendor instructions. https://support.apple.com/en-gb/HT213412, https://support.apple.com/en-gb/HT213413; https://nvd.nist.gov/vuln/detail/CVE-2022-32893

References

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