CVE-2017-17843

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Summary

CVECVE-2017-17843
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-12-27 17:08:19 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionAn 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.

Risk And Classification

Primary CVSS: v3.0 5.9 MEDIUM from [email protected]

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

EPSS: 0.002040000 probability, percentile 0.423510000 (date 2026-05-19)

Problem Types: NVD-CWE-noinfo | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary5.9MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
2.0[email protected]Primary4.3AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None

AV:N/AC:M/Au:N/C:N/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Application Enigmail Enigmail All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Debian -- Security Information -- DSA-4070-1 enigmail af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
Re: [Enigmail] [ANN] Enigmail v1.9.9 available af854a3a-2127-422b-91ae-364da2661108 www.mail-archive.com
[SECURITY] [DSA 4070-1] enigmail security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Third Party Advisory
[SECURITY] [DLA 1219-1] enigmail security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%... af854a3a-2127-422b-91ae-364da2661108 enigmail.net Vendor Advisory
Re: [Enigmail] [ANN] Enigmail v1.9.9 available MITRE www.mail-archive.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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