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CVE-2023-41064

A buffer overflow issue was addressed with improved memory handling.

Affects Apple macOS and iOS and iPadOS, with fixed versions listed for macOS 11.7, 12.6 and 13.5 and for iOS and iPadOS 15.7 and 16.6. The facts give no vendor severity rating beyond the CVSS score of 7.8.

Published
Last modified
published
Listed in CISA KEV
Actively exploited
Fix
Fixed in 12.6, 11.7, 16.6, 15.7, 13.5
None on Exploit-DB, Metasploit or GitHub

Summary

Apple's iOS, iPadOS, and macOS operating systems are affected by a memory-handling flaw that allows a buffer overflow. An attacker could exploit it by getting a user to process a specially crafted image, potentially running arbitrary code on the device.

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

Read the original 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.

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 macOS

    From unspecified · fixed in 12.6

  • Apple macOS

    From unspecified · fixed in 11.7

  • Apple iOS and iPadOS

    From unspecified · fixed in 16.6

  • Apple iOS and iPadOS

    From unspecified · fixed in 15.7

  • Apple macOS

    From unspecified · fixed in 13.5

References 6

support.apple.com

openwall.com

FAQ

Questions about CVE-2023-41064

What does this mean?

A buffer overflow in image processing can let an attacker run arbitrary code. The advisory says this happens when a maliciously crafted image is processed.Source: support.apple.com

Am I affected, and how do I check?

The advisory lists fixes for macOS 11.7, 12.6 and 13.5, and for iOS and iPadOS 15.7 and 16.6, with no earlier version bound given, so earlier releases on these lines fall in scope. To check a Mac, open About This Mac from the Apple menu; on an iPhone or iPad, open Settings, then General, then About.Source: support.apple.com

What should I do about it?

Update macOS to 11.7, 12.6, 13.5 or later, matching the release line in use, and update iOS or iPadOS to 15.7, 16.6 or later. The advisory's fix note names macOS Monterey 12.6.9 as the build it describes.Source: support.apple.com

Is it being exploited?

Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2023-09-11, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data