#VU13372 Spoofing attack in Enigmail - CVE-2018-12019

Vulnerability identifier: #VU13372

Vulnerability risk: Low

CVSSv4.0: 2.7 [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/E:U/U:Clear]

CVE-ID: CVE-2018-12019

CWE-ID: CWE-451

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Enigmail
Web applications / Webmail solutions

Vendor: enigmail.mozdev.org

Description

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.

Mitigation
Update to version 2.0.7.

Vulnerable software versions

Enigmail: 0.92.0 - 1.9.9

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External links
https://www.enigmail.net/index.php/en/download/changelog

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.