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CVE-2023-0430

Date: June 2, 2023

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.

Language: C++

Severity Score

Related Resources (7)

https://nvd.nist.gov/vuln/detail/CVE-2023-0430
https://www.mozilla.org/security/advisories/mfsa2023-04/
https://security-tracker.debian.org/tracker/CVE-2023-0430
https://bugzilla.mozilla.org/show_bug.cgi?id=1769000
https://access.redhat.com/security/cve/CVE-2023-0430
https://www.mozilla.org/en-US/security/advisories/mfsa2023-04/#CVE-2023-0430
https://www.mend.io/vulnerability-database/CVE-2023-0430

Severity Score

Weakness Type (CWE)

Improper Certificate Validation

CWE-295

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

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