CVE-2019-11755

Publication date 27 September 2019

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

A crafted S/MIME message consisting of an inner encryption layer and an outer SignedData layer was shown as having a valid digital signature, although the signer might have had no access to the contents of the encrypted message, and might have stripped a different signature from the encrypted message. Previous versions had only suppressed showing a digital signature for messages with an outer multipart/signed layer. This vulnerability affects Thunderbird < 68.1.1.

Status

Package Ubuntu Release Status
thunderbird 19.10 eoan
Fixed 1:68.1.1+build1-0ubuntu1
19.04 disco Ignored end of life
18.04 LTS bionic
Fixed 1:68.2.1+build1-0ubuntu0.18.04.1
16.04 LTS xenial
Fixed 1:68.7.0+build1-0ubuntu0.16.04.2
14.04 LTS trusty Not in release

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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N