CVE-2017-17844

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Summary

CVECVE-2017-17844
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. A remote attacker can obtain cleartext content by sending an encrypted data block (that the attacker cannot directly decrypt) to a victim, and relying on the victim to automatically decrypt that block and then send it back to the attacker as quoted text, aka the TBE-01-005 "replay" issue.

Risk And Classification

Primary CVSS: v3.0 6.5 MEDIUM from [email protected]

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

EPSS: 0.002380000 probability, percentile 0.468480000 (date 2026-05-19)

Problem Types: CWE-319 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary6.5MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
2.0[email protected]Primary4.3AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS v3.0 Breakdown

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

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

CVSS v2.0 Breakdown

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

AV:N/AC:M/Au:N/C:P/I:N/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 Third Party Advisory, 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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