CVE-2023-40440

Summary

This issue was addressed with improved state management of S/MIME encrypted emails. This issue is fixed in macOS Monterey 12.6.8. A S/MIME encrypted email may be inadvertently sent unencrypted.

Affected Software

Weaknesses

• A S/MIME encrypted email may be inadvertently sent unencrypted

ADP Enrichment

CVE Program Container

Additional References

• https://support.apple.com/en-us/HT213844
• https://blog.aegrel.ee/apple-mail-smime.html

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://support.apple.com/en-us/HT213844
• https://blog.aegrel.ee/apple-mail-smime.html

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