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CVE-2018-12019

Date: June 13, 2018

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.

Severity Score

Related Resources (11)

https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf
http://seclists.org/fulldisclosure/2019/Apr/38
https://nvd.nist.gov/vuln/detail/CVE-2018-12019
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-12019
https://security-tracker.debian.org/tracker/CVE-2018-12019
http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html
https://github.com/RUB-NDS/Johnny-You-Are-Fired
http://openwall.com/lists/oss-security/2018/06/13/10
https://www.enigmail.net/index.php/en/download/changelog
http://www.openwall.com/lists/oss-security/2019/04/30/4
https://www.mend.io/vulnerability-database/CVE-2018-12019

Severity Score

Weakness Type (CWE)

Improper Verification of Cryptographic Signature

CWE-347

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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