VDB
CVE-2018-18509
CVE-2018-18509
PUBLISHED
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.
EPSS 0.25% · 48.8th percentile
Risk Scores
EPSS Score
0.25%
48.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:14.04:LTS | thunderbird | 1:38.2.0+build1-0ubuntu0.14.04.1, 1:24.0+build1-0ubuntu1, 1:24.1.1+build1-0ubuntu0.13.10.1 |
| Ubuntu:18.04:LTS | thunderbird | 0, 1:52.4.0+build1-0ubuntu2, 1:52.6.0+build1-0ubuntu1 |
| Ubuntu:16.04:LTS | thunderbird | *, *, * |
Exploit Intelligence
Timeline
- Dec 31, 2018 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 5, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-18509 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-06/#CVE-2018-18511 third-party-advisory
- https://ubuntu.com/security/notices/USN-3897-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-18509 third-party-advisory