CVE-2017-17843

Published: 27 December 2017

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.

Priority

Cvss 3 Severity Score

5.9

Score breakdown

Status

Package	Release	Status
enigmail Launchpad, Ubuntu, Debian	artful	Released (2:1.9.9-0ubuntu0.17.10.1)
	trusty	Released (2:1.9.9-0ubuntu0.14.04.1)
	upstream	Released (2:1.9.9-1)
	xenial	Released (2:1.9.9-0ubuntu0.16.04.1)
	zesty	Ignored (end of life)

Severity score breakdown

Parameter	Value
Base score	5.9
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	High
Availability impact	None
Vector	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

References

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