CVE-2023-0430

Summary

Certificate OCSP revocation status was not checked when verifying S/Mime signatures. Mail signed with a revoked certificate would be displayed as having a valid signature. Thunderbird versions from 68 to 102.7.0 were affected by this bug. This vulnerability affects Thunderbird < 102.7.1.

Affected Software

Weaknesses

• Revocation status of S/Mime signature certificates was not checked

ADP Enrichment

CVE Program Container

Additional References

• https://www.mozilla.org/security/advisories/mfsa2023-04/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1769000

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

Additional References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1769000

References

• https://www.mozilla.org/security/advisories/mfsa2023-04/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1769000

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