CVE-2019-12855

2019-06-1600:00:00

ubuntu.com

7.4 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:P/A:N

0.003 Low

EPSS

Percentile

69.4%

JSON

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.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchtwisted< 17.9.0-2ubuntu0.1UNKNOWN
ubuntu19.10noarchtwisted< 18.9.0-3ubuntu1.1UNKNOWN
ubuntu14.04noarchtwisted< 13.2.0-1ubuntu1.2+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchtwisted< 16.0.0-1ubuntu0.4UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	twisted	< 17.9.0-2ubuntu0.1	UNKNOWN
ubuntu	19.10	noarch	twisted	< 18.9.0-3ubuntu1.1	UNKNOWN
ubuntu	14.04	noarch	twisted	< 13.2.0-1ubuntu1.2+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only	UNKNOWN
ubuntu	16.04	noarch	twisted	< 16.0.0-1ubuntu0.4	UNKNOWN