Spoofing attack in Enigmail - CVE-2018-12019
Published: June 15, 2018 / Updated: June 17, 2018
Vulnerability identifier: #VU13372
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-12019
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to conduct spoofing attack.
The vulnerability exists due to the signature verification routine interprets user ids as status/control messages and does not correctly keep track of the status of multiple signatures. A remote attacker can spoof arbitrary email signatures via public keys containing crafted primary user ids and gain access to potentially sensitive information.
Affected software
Enigmail
Fedora
SUSE Linux
openSUSE Leap
thunderbird-enigmail
Fedora
SUSE Linux
openSUSE Leap
thunderbird-enigmail
How to mitigate CVE-2018-12019
Update to version 2.0.7.
Enigmail - update to 2.0.7
thunderbird-enigmail - addressed in versions 2.0.7-1.el7, 2.0.7-1.fc27, 2.0.7-1.fc28
thunderbird-enigmail - addressed in versions 2.0.7-1.el7, 2.0.7-1.fc27, 2.0.7-1.fc28