CVE-2018-18509

Description

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 arent 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.

Risk Information

Base Score
5.3
MODERATE
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS Score
Exploitation Probability
0.262

Associated Vulnerability

VulnerabilityOS Platform
Vulnerabilities CVE-2018-18509 are affected in Mozilla Thunderbird for Mac 60.5.0Mac
thunderbird security update(DSA-4392-1) thunderbird_60.5.1-1~deb9u1_i386.debLinux
thunderbird security update(DSA-4392-1) thunderbird_60.5.1-1~deb9u1_amd64.debLinux
(RHSA-2019:1144) thunderbird security update thunderbird-60.6.1-1.el8.x86_64.rpmLinux
(RHSA-2019:1144) thunderbird security update thunderbird-debugsource-60.6.1-1.el8.x86_64.rpmLinux

Patch Details

Click to see the patches provided by ManageEngine for this CVE
Patch IDPatch Description
PATCH-611807Mozilla Thunderbird For Mac (142.0)

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234