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CVE-2019-12855

Published: 16 June 2019

In words.protocols.jabber.xmlstream in Twisted through 19.2.1, XMPP support did not verify certificates when used with TLS, allowing an attacker to MITM connections.

Priority

Low

Cvss 3 Severity Score

7.4

Score breakdown

Status

Package Release Status
twisted
Launchpad, Ubuntu, Debian
bionic
Released (17.9.0-2ubuntu0.1)
cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan
Released (18.9.0-3ubuntu1.1)
trusty
Released (13.2.0-1ubuntu1.2+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needs triage

xenial
Released (16.0.0-1ubuntu0.4)
Patches:
upstream: https://github.com/twisted/twisted/commit/cf8ed69824502cb39b3a077ec596fe01c03b93da
twisted-py3
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 7.4
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N