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CVE-2023-28206

An out-of-bounds write issue was addressed with improved input validation.

Affects Apple iOS, iPadOS and macOS releases before the listed fixes, including macOS Big Sur and Monterey. Fixed in iOS and iPadOS 15.7.5 and macOS Big Sur 11.7.6.

Published
Last modified
published
Listed in CISA KEV
Actively exploited
Fix
Fixed in 15.7, 11.7, 12.6, 13.3, 16.4
None on Exploit-DB, Metasploit or GitHub

Summary

Apple's macOS, iOS, and iPadOS operating systems are affected by this flaw. A malicious app could exploit it to run arbitrary code with kernel-level privileges, giving it full control over the device.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

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.

Timeline

  1. CVE published
  2. Added to CISA KEV

    CISA has evidence of exploitation in the wild

  3. CISA remediation deadline

    Due date for US federal agencies to patch

  4. Record last updated
  5. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • Apple iOS and iPadOS

    From unspecified · fixed in 15.7

  • Apple macOS

    From unspecified · fixed in 11.7

  • Apple macOS

    From unspecified · fixed in 12.6

  • Apple macOS

    From unspecified · fixed in 13.3

  • Apple iOS and iPadOS

    From unspecified · fixed in 16.4

References 5

support.apple.com

FAQ

Questions about CVE-2023-28206

What does this mean?

The bug is an out-of-bounds write, where data is written past the memory area it is meant for. Apple's advisory says an app may be able to execute arbitrary code with kernel privileges.Source: support.apple.com, support.apple.com, support.apple.com

Am I affected, and how do I check?

Apple's advisories list the IOSurfaceAccelerator component in iOS 15.7.5, iPadOS 15.7.5, macOS Big Sur 11.7.6 and macOS Monterey 12.6.5. Fixed versions in the product data are iOS and iPadOS before 15.7 and 16.4, and macOS before 11.7, 12.6 and 13.3. To check a device, open Settings > General > About on iPhone or iPad, or Apple menu > About This Mac on a Mac.Source: support.apple.com, support.apple.com, support.apple.com

What should I do about it?

Update to iOS 15.7.5 or iPadOS 15.7.5 on those older branches, macOS Big Sur 11.7.6 or macOS Monterey 12.6.5 on those Macs, or the fixed release for your branch: macOS Ventura 13.3 or iOS and iPadOS 16.4.Source: support.apple.com, support.apple.com, support.apple.com

Is it being exploited?

Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2023-04-10, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data