CVE-2017-17848

Publication date 27 December 2017

Last updated 25 August 2025

Ubuntu priority

High

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Description

An issue was discovered in Enigmail before 1.9.9. In a variant of CVE-2017-17847, signature spoofing is possible for multipart/related messages because a signed message part can be referenced with a cid: URI but not actually displayed. In other words, the entire containing message appears to be signed, but the recipient does not see any of the signed text.

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 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

Other references