UBUNTU-CVE-2019-12855

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Source
https://ubuntu.com/security/CVE-2019-12855
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-12855.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2019-12855
Upstream
Downstream
Related
Published
2019-06-16T12:29:00Z
Modified
2025-07-16T07:39:26.267962Z
Severity
  • 7.4 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:Pro:14.04:LTS / twisted

Package

Name
twisted
Purl
pkg:deb/ubuntu/twisted@13.2.0-1ubuntu1.2+esm1?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
13.2.0-1ubuntu1.2+esm1

Affected versions

13.*

13.0.0-1ubuntu1
13.2.0-1ubuntu1
13.2.0-1ubuntu1.2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "python-twisted",
            "binary_version": "13.2.0-1ubuntu1.2+esm1"
        },
        {
            "binary_name": "python-twisted-bin",
            "binary_version": "13.2.0-1ubuntu1.2+esm1"
        },
        {
            "binary_name": "python-twisted-bin-dbg",
            "binary_version": "13.2.0-1ubuntu1.2+esm1"
        },
        {
            "binary_name": "python-twisted-bin-dbgsym",
            "binary_version": "13.2.0-1ubuntu1.2+esm1"
        },
        {
            "binary_name": "python-twisted-conch",
            "binary_version": "1:13.2.0-1ubuntu1.2+esm1"
        },
        {
            "binary_name": "python-twisted-core",
            "binary_version": "13.2.0-1ubuntu1.2+esm1"
        },
        {
            "binary_name": "python-twisted-lore",
            "binary_version": "13.2.0-1ubuntu1.2+esm1"
        },
        {
            "binary_name": "python-twisted-mail",
            "binary_version": "13.2.0-1ubuntu1.2+esm1"
        },
        {
            "binary_name": "python-twisted-names",
            "binary_version": "13.2.0-1ubuntu1.2+esm1"
        },
        {
            "binary_name": "python-twisted-news",
            "binary_version": "13.2.0-1ubuntu1.2+esm1"
        },
        {
            "binary_name": "python-twisted-runner",
            "binary_version": "13.2.0-1ubuntu1.2+esm1"
        },
        {
            "binary_name": "python-twisted-runner-dbg",
            "binary_version": "13.2.0-1ubuntu1.2+esm1"
        },
        {
            "binary_name": "python-twisted-runner-dbgsym",
            "binary_version": "13.2.0-1ubuntu1.2+esm1"
        },
        {
            "binary_name": "python-twisted-web",
            "binary_version": "13.2.0-1ubuntu1.2+esm1"
        },
        {
            "binary_name": "python-twisted-words",
            "binary_version": "13.2.0-1ubuntu1.2+esm1"
        },
        {
            "binary_name": "twisted-doc",
            "binary_version": "13.2.0-1ubuntu1.2+esm1"
        }
    ]
}

Ubuntu:16.04:LTS / twisted

Package

Name
twisted
Purl
pkg:deb/ubuntu/twisted@16.0.0-1ubuntu0.4?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
16.0.0-1ubuntu0.4

Affected versions

15.*

15.2.1-1ubuntu2
15.5.0-1
15.5.0-2
15.5.0-2ubuntu1
15.5.0-4

16.*

16.0.0~pre1-1
16.0.0~pre1-1ubuntu1
16.0.0~pre1-2ubuntu1
16.0.0~pre1-3
16.0.0-1
16.0.0-1ubuntu0.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "python-twisted",
            "binary_version": "16.0.0-1ubuntu0.4"
        },
        {
            "binary_name": "python-twisted-bin",
            "binary_version": "16.0.0-1ubuntu0.4"
        },
        {
            "binary_name": "python-twisted-bin-dbg",
            "binary_version": "16.0.0-1ubuntu0.4"
        },
        {
            "binary_name": "python-twisted-conch",
            "binary_version": "1:16.0.0-1ubuntu0.4"
        },
        {
            "binary_name": "python-twisted-core",
            "binary_version": "16.0.0-1ubuntu0.4"
        },
        {
            "binary_name": "python-twisted-mail",
            "binary_version": "16.0.0-1ubuntu0.4"
        },
        {
            "binary_name": "python-twisted-names",
            "binary_version": "16.0.0-1ubuntu0.4"
        },
        {
            "binary_name": "python-twisted-news",
            "binary_version": "16.0.0-1ubuntu0.4"
        },
        {
            "binary_name": "python-twisted-runner",
            "binary_version": "16.0.0-1ubuntu0.4"
        },
        {
            "binary_name": "python-twisted-runner-dbg",
            "binary_version": "16.0.0-1ubuntu0.4"
        },
        {
            "binary_name": "python-twisted-web",
            "binary_version": "16.0.0-1ubuntu0.4"
        },
        {
            "binary_name": "python-twisted-words",
            "binary_version": "16.0.0-1ubuntu0.4"
        },
        {
            "binary_name": "python3-twisted",
            "binary_version": "16.0.0-1ubuntu0.4"
        },
        {
            "binary_name": "twisted-doc",
            "binary_version": "16.0.0-1ubuntu0.4"
        }
    ]
}

Ubuntu:18.04:LTS / twisted

Package

Name
twisted
Purl
pkg:deb/ubuntu/twisted@17.9.0-2ubuntu0.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
17.9.0-2ubuntu0.1

Affected versions

16.*

16.6.0-2ubuntu3

17.*

17.9.0-1
17.9.0-2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "python-twisted",
            "binary_version": "17.9.0-2ubuntu0.1"
        },
        {
            "binary_name": "python-twisted-bin",
            "binary_version": "17.9.0-2ubuntu0.1"
        },
        {
            "binary_name": "python-twisted-bin-dbg",
            "binary_version": "17.9.0-2ubuntu0.1"
        },
        {
            "binary_name": "python-twisted-conch",
            "binary_version": "1:17.9.0-2ubuntu0.1"
        },
        {
            "binary_name": "python-twisted-core",
            "binary_version": "17.9.0-2ubuntu0.1"
        },
        {
            "binary_name": "python-twisted-mail",
            "binary_version": "17.9.0-2ubuntu0.1"
        },
        {
            "binary_name": "python-twisted-names",
            "binary_version": "17.9.0-2ubuntu0.1"
        },
        {
            "binary_name": "python-twisted-news",
            "binary_version": "17.9.0-2ubuntu0.1"
        },
        {
            "binary_name": "python-twisted-runner",
            "binary_version": "17.9.0-2ubuntu0.1"
        },
        {
            "binary_name": "python-twisted-runner-dbg",
            "binary_version": "17.9.0-2ubuntu0.1"
        },
        {
            "binary_name": "python-twisted-web",
            "binary_version": "17.9.0-2ubuntu0.1"
        },
        {
            "binary_name": "python-twisted-words",
            "binary_version": "17.9.0-2ubuntu0.1"
        },
        {
            "binary_name": "python3-twisted",
            "binary_version": "17.9.0-2ubuntu0.1"
        },
        {
            "binary_name": "python3-twisted-bin",
            "binary_version": "17.9.0-2ubuntu0.1"
        },
        {
            "binary_name": "python3-twisted-bin-dbg",
            "binary_version": "17.9.0-2ubuntu0.1"
        },
        {
            "binary_name": "twisted-doc",
            "binary_version": "17.9.0-2ubuntu0.1"
        }
    ]
}