CVE-2023-28206 on CISA KEV

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Monterey 12.6.5, iOS 16.4.1 and iPadOS 16.4.1, macOS Ventura 13.3.1, iOS 15.7.5 and iPadOS 15.7.5, macOS Big Sur 11.7.6. An app may be able to execute arbitrary code with kerne

01What CISA says about this vulnerability

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Monterey 12.6.5, iOS 16.4.1 and iPadOS 16.4.1, macOS Ventura 13.3.1, iOS 15.7.5 and iPadOS 15.7.5, macOS Big Sur 11.7.6. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

• support.apple.com — https://support.apple.com/en-us/HT213723
• support.apple.com — https://support.apple.com/en-us/HT213725
• support.apple.com — https://support.apple.com/en-us/HT213724
• support.apple.com — https://support.apple.com/en-us/HT213721
• support.apple.com — https://support.apple.com/en-us/HT213720

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
Apple	iOS and iPadOS	unspecified
Apple	macOS	unspecified
Apple	macOS	unspecified
Apple	macOS	unspecified
Apple	iOS and iPadOS	unspecified

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

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