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CVE-2017-17843

Publication date 27 December 2017

Last updated 24 July 2024

Ubuntu priority

High

Why this priority?

Cvss 3 Severity Score

5.9 · Medium

Score breakdown

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.

Status

Package Ubuntu Release Status
enigmail 17.10 artful
Fixed 2:1.9.9-0ubuntu0.17.10.1
17.04 zesty Ignored end of life
16.04 LTS xenial
Fixed 2:1.9.9-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 2:1.9.9-0ubuntu0.14.04.1

Severity score breakdown

Parameter Value
Base score 5.9 · Medium
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