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CVE-2017-17843 Details

Description

An issue was discovered in Enigmail before 1.9.9 that allows remote attackers to trigger use of an intended public key for encryption, because incorrect regular expressions are used for extraction of an e-mail address from a comma-separated list, as demonstrated by a modified Full Name field and a homograph attack, aka TBE-01-002.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.9 MEDIUMVector:CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf	CVE	Vendor Advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00021.html	CVE
https://lists.debian.org/debian-security-announce/2017/msg00333.html	CVE	Third Party Advisory
https://www.debian.org/security/2017/dsa-4070	CVE	Third Party Advisory
https://www.mail-archive.com/enigmail-users%40enigmail.net/msg04280.html	CVE
https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf	[email protected]	Vendor Advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00021.html	[email protected]
https://lists.debian.org/debian-security-announce/2017/msg00333.html	[email protected]	Third Party Advisory
https://www.debian.org/security/2017/dsa-4070	[email protected]	Third Party Advisory
https://www.mail-archive.com/enigmail-users%40enigmail.net/msg04280.html	[email protected]

see all 10 references

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-noinfo	Insufficient Information to Classify Weakness	[email protected]

Affected Products

Product	Versions
enigmail enigmail	< 1.9.9
CPE cpe:2.3:a:enigmail:enigmail:::::::: Remediation No remediation found in references.
debian debian linux	8.0 9.0
CPE cpe:2.3:o:debian:debian_linux:8.0:::::::* cpe:2.3:o:debian:debian_linux:9.0:::::::* Remediation No remediation found in references.

Change History

8 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 13, 2026	CVE Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Oct 3, 2019	CWE Remap	[email protected]
Feb 4, 2018	CVE Modified	[email protected]
Jan 10, 2018	Initial Analysis	[email protected]