VDB
CVE-2018-18509
CVE-2018-18509
PUBLISHED
CVSS 5.300000190734863 MEDIUM
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 1.68% · 76.0th percentile
Risk Scores
CVSS 3.0
5.300000190734863
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS Score
1.68%
76.0th 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 | *, *, * |
Timeline
- Dec 31, 2018 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Oct 27, 2021 EPSS Score
- Dec 29, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 2, 2022 EPSS Score
- May 4, 2022 EPSS Score
- Sep 8, 2022 EPSS Score
- Nov 10, 2022 EPSS Score
- Jan 12, 2023 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