Veracode Vulnerability DatabaseVERACODE:20469Email Message Spoofing
0.014 Low
EPSS
Percentile
86.3%
thunderbird is vulnerable to email message spoofing. 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.
References
lists.opensuse.org/opensuse-security-announce/2019-04/msg00043.html
packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html
seclists.org/fulldisclosure/2019/Apr/38
www.openwall.com/lists/oss-security/2019/04/30/4
access.redhat.com/errata/RHSA-2019:0681
access.redhat.com/errata/RHSA-2019:1144
access.redhat.com/security/cve/CVE-2018-18356
access.redhat.com/security/cve/CVE-2018-18509
access.redhat.com/security/cve/CVE-2019-5785
access.redhat.com/security/updates/classification/#important
bugzilla.mozilla.org/show_bug.cgi?id=1507218
github.com/RUB-NDS/Johnny-You-Are-Fired
github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf
www.mozilla.org/en-US/security/advisories/mfsa2019-11/
www.mozilla.org/en-US/security/advisories/mfsa2019-12/
www.mozilla.org/security/advisories/mfsa2019-06/
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