Description
A flaw during verification of certain S/MIME signatures causes emails to be shown in Thunderbird as having a valid digital signature, even if the shown message contents aren't covered by the signature. The flaw allows an attacker to reuse a valid S/MIME signature to craft an email message with arbitrary content. This vulnerability affects Thunderbird < 60.5.1.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-1678-1 | thunderbird security update |
Debian DSA |
DSA-4392-1 | thunderbird security update |
EUVD |
EUVD-2018-10234 | A flaw during verification of certain S/MIME signatures causes emails to be shown in Thunderbird as having a valid digital signature, even if the shown message contents aren't covered by the signature. The flaw allows an attacker to reuse a valid S/MIME signature to craft an email message with arbitrary content. This vulnerability affects Thunderbird < 60.5.1. |
Ubuntu USN |
USN-3897-1 | Thunderbird vulnerabilities |
References
History
No history.
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2024-08-05T11:08:21.996Z
Reserved: 2018-10-19T00:00:00.000Z
Link: CVE-2018-18509
No data.
Status : Modified
Published: 2019-04-26T17:29:00.243
Modified: 2024-11-21T03:56:04.547
Link: CVE-2018-18509
OpenCVE Enrichment
No data.
Debian DLA
Debian DSA
EUVD
Ubuntu USN