CVE-2023-0430 — Improper Certificate Validation in Mozilla Thunderbird

CWE-295 — Improper Certificate ValidationCWE-299 — Improper Check for Certificate Revocation8 documents7 sources
Severity
6.5MEDIUMNVD
EPSS
0.1%
top 77.30%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla ThunderbirdDebian ThunderbirdMozilla Firefox
Timeline
PublishedJun 2

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages6 packages

▶debiandebian/thunderbird< thunderbird 1:102.7.1+1-1 (bookworm)
▶CVEListV5mozilla/thunderbirdunspecified — 102.7.1
▶NVDmozilla/thunderbird68.0 — 102.7.1
▶Debianmozilla/thunderbird< 1:102.8.0-1~deb11u1+3
▶Ubuntumozilla/thunderbird< 1:102.7.1+build2-0ubuntu0.18.04.1+2

🔴Vulnerability Details

3
GHSA
GHSA-gg8h-rvx3-6c4c: Certificate OCSP revocation status was not checked when verifying S/Mime signatures↗2023-06-02
▶
OSV
CVE-2023-0430: Certificate OCSP revocation status was not checked when verifying S/Mime signatures↗2023-06-02
▶
OSV
thunderbird vulnerabilities↗2023-02-06
▶

📋Vendor Advisories

4
Ubuntu
Thunderbird vulnerabilities↗2023-02-06
▶
Red Hat
Mozilla: Revocation status of S/Mime signature certificates was not checked↗2023-01-23
▶
Debian
CVE-2023-0430: thunderbird - Certificate OCSP revocation status was not checked when verifying S/Mime signatu...↗2023
▶
Mozilla
Mozilla Foundation Security Advisory 2023-04: CVE-2023-0430↗
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CVE-2023-0430 — Improper Certificate Validation | cvebase