CVE-2018-18509
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2018-18509
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18509.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2018-18509
- Related
- Published
- 2019-04-26T17:29:00Z
- Modified
- 2024-09-18T01:00:21Z
- Severity
-
- 5.3 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
-
- http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html
- https://access.redhat.com/errata/RHSA-2019:1144
- https://bugzilla.mozilla.org/show_bug.cgi?id=1507218
- https://www.mozilla.org/security/advisories/mfsa2019-06/
- http://seclists.org/fulldisclosure/2019/Apr/38
- http://www.openwall.com/lists/oss-security/2019/04/30/4
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00043.html
- https://github.com/RUB-NDS/Johnny-You-Are-Fired
- https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf
- https://security-tracker.debian.org/tracker/CVE-2018-18509
Affected packages
Debian:11 / thunderbird
Package
- Name
- thunderbird
- Purl
- pkg:deb/debian/thunderbird?arch=source
Debian:12 / thunderbird
Package
- Name
- thunderbird
- Purl
- pkg:deb/debian/thunderbird?arch=source
Debian:13 / thunderbird
Package
- Name
- thunderbird
- Purl
- pkg:deb/debian/thunderbird?arch=source