CVE-2018-12019

high

Description

The signature verification routine in Enigmail before 2.0.7 interprets user ids as status/control messages and does not correctly keep track of the status of multiple signatures, which allows remote attackers to spoof arbitrary email signatures via public keys containing crafted primary user ids.

References

http://openwall.com/lists/oss-security/2018/06/13/10

http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html

http://seclists.org/fulldisclosure/2019/Apr/38

http://www.openwall.com/lists/oss-security/2019/04/30/4

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://www.enigmail.net/index.php/en/download/changelog

Details

Source: MITRE

Published: 2018-06-13

Updated: 2019-05-16

Type: CWE-347

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH