CVE-2018-18509 log

Source
Severity High
Remote Yes
Type Insufficient validation
Description
A flaw during verification of certain S/MIME signatures causes emails to be shown in Thunderbird before 60.5.1 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.
Group Package Affected Fixed Severity Status Ticket
AVG-908 thunderbird 60.5.0-1 60.5.1-1 Critical Fixed
Date Advisory Group Package Severity Description
20 Feb 2019 ASA-201902-23 AVG-908 thunderbird Critical multiple issues
References
https://www.mozilla.org/en-US/security/advisories/mfsa2019-06/#CVE-2018-18509
https://bugzilla.mozilla.org/show_bug.cgi?id=1507218