UBUNTU-CVE-2020-12872

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Source

https://ubuntu.com/security/CVE-2020-12872

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-12872.json

JSON Data

https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2020-12872

Upstream

CVE-2020-12872

Published

2020-05-15T19:15:00Z

Modified

2025-10-24T04:48:29Z

Severity

5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Ubuntu - low

Summary

[none]

Details

yaws_config.erl in Yaws through 2.0.2 and/or 2.0.7 loads obsolete TLS ciphers, as demonstrated by ones that allow Sweet32 attacks, if running on an Erlang/OTP virtual machine with a version less than 21.0.

References

Affected packages

Ubuntu:16.04:LTS

yaws

Package

Name: yaws
Purl: pkg:deb/ubuntu/yaws@2.0.2-1?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.98-5

1.99-1

1.99-2

2.*

2.0.2-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "2.0.2-1",
            "binary_name": "erlang-yapp"
        },
        {
            "binary_version": "2.0.2-1",
            "binary_name": "erlang-yaws"
        },
        {
            "binary_version": "2.0.2-1",
            "binary_name": "yaws"
        },
        {
            "binary_version": "2.0.2-1",
            "binary_name": "yaws-chat"
        },
        {
            "binary_version": "2.0.2-1",
            "binary_name": "yaws-mail"
        },
        {
            "binary_version": "2.0.2-1",
            "binary_name": "yaws-wiki"
        },
        {
            "binary_version": "2.0.2-1",
            "binary_name": "yaws-yapp"
        }
    ]
}

Ubuntu:18.04:LTS

yaws

Package

Name: yaws
Purl: pkg:deb/ubuntu/yaws@2.0.4+dfsg-2ubuntu0.1?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.0.4+dfsg-2

2.0.4+dfsg-2ubuntu0.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "2.0.4+dfsg-2ubuntu0.1",
            "binary_name": "erlang-yapp"
        },
        {
            "binary_version": "2.0.4+dfsg-2ubuntu0.1",
            "binary_name": "erlang-yaws"
        },
        {
            "binary_version": "2.0.4+dfsg-2ubuntu0.1",
            "binary_name": "yaws"
        },
        {
            "binary_version": "2.0.4+dfsg-2ubuntu0.1",
            "binary_name": "yaws-chat"
        },
        {
            "binary_version": "2.0.4+dfsg-2ubuntu0.1",
            "binary_name": "yaws-mail"
        },
        {
            "binary_version": "2.0.4+dfsg-2ubuntu0.1",
            "binary_name": "yaws-wiki"
        },
        {
            "binary_version": "2.0.4+dfsg-2ubuntu0.1",
            "binary_name": "yaws-yapp"
        }
    ]
}

Ubuntu:20.04:LTS

yaws

Package

Name: yaws
Purl: pkg:deb/ubuntu/yaws@2.0.7+dfsg-1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.0.6+dfsg-1

2.0.6+dfsg-3

2.0.7+dfsg-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "2.0.7+dfsg-1",
            "binary_name": "erlang-yapp"
        },
        {
            "binary_version": "2.0.7+dfsg-1",
            "binary_name": "erlang-yaws"
        },
        {
            "binary_version": "2.0.7+dfsg-1",
            "binary_name": "yaws"
        },
        {
            "binary_version": "2.0.7+dfsg-1",
            "binary_name": "yaws-chat"
        },
        {
            "binary_version": "2.0.7+dfsg-1",
            "binary_name": "yaws-mail"
        },
        {
            "binary_version": "2.0.7+dfsg-1",
            "binary_name": "yaws-wiki"
        },
        {
            "binary_version": "2.0.7+dfsg-1",
            "binary_name": "yaws-yapp"
        }
    ]
}

Ubuntu:22.04:LTS

yaws

Package

Name: yaws
Purl: pkg:deb/ubuntu/yaws@2.1.1+dfsg-1?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.0.8+dfsg-3

2.0.9+dfsg-1

2.1.0+dfsg-1

2.1.1+dfsg-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "2.1.1+dfsg-1",
            "binary_name": "erlang-yapp"
        },
        {
            "binary_version": "2.1.1+dfsg-1",
            "binary_name": "erlang-yaws"
        },
        {
            "binary_version": "2.1.1+dfsg-1",
            "binary_name": "yaws"
        },
        {
            "binary_version": "2.1.1+dfsg-1",
            "binary_name": "yaws-chat"
        },
        {
            "binary_version": "2.1.1+dfsg-1",
            "binary_name": "yaws-mail"
        },
        {
            "binary_version": "2.1.1+dfsg-1",
            "binary_name": "yaws-wiki"
        },
        {
            "binary_version": "2.1.1+dfsg-1",
            "binary_name": "yaws-yapp"
        }
    ]
}

Ubuntu:24.04:LTS

yaws

Package

Name: yaws
Purl: pkg:deb/ubuntu/yaws@2.1.1+dfsg-2?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.1.1+dfsg-2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "2.1.1+dfsg-2",
            "binary_name": "erlang-yapp"
        },
        {
            "binary_version": "2.1.1+dfsg-2",
            "binary_name": "erlang-yaws"
        },
        {
            "binary_version": "2.1.1+dfsg-2",
            "binary_name": "yaws"
        },
        {
            "binary_version": "2.1.1+dfsg-2",
            "binary_name": "yaws-chat"
        },
        {
            "binary_version": "2.1.1+dfsg-2",
            "binary_name": "yaws-mail"
        },
        {
            "binary_version": "2.1.1+dfsg-2",
            "binary_name": "yaws-wiki"
        },
        {
            "binary_version": "2.1.1+dfsg-2",
            "binary_name": "yaws-yapp"
        }
    ]
}

Ubuntu:25.04

yaws

Package

Name: yaws
Purl: pkg:deb/ubuntu/yaws@2.2.0+dfsg-2?arch=source&distro=plucky

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.2.0+dfsg-1

2.2.0+dfsg-2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "2.2.0+dfsg-2",
            "binary_name": "erlang-yapp"
        },
        {
            "binary_version": "2.2.0+dfsg-2",
            "binary_name": "erlang-yaws"
        },
        {
            "binary_version": "2.2.0+dfsg-2",
            "binary_name": "yaws"
        },
        {
            "binary_version": "2.2.0+dfsg-2",
            "binary_name": "yaws-chat"
        },
        {
            "binary_version": "2.2.0+dfsg-2",
            "binary_name": "yaws-mail"
        },
        {
            "binary_version": "2.2.0+dfsg-2",
            "binary_name": "yaws-wiki"
        },
        {
            "binary_version": "2.2.0+dfsg-2",
            "binary_name": "yaws-yapp"
        }
    ]
}

Ubuntu:25.10

yaws

Package

Name: yaws
Purl: pkg:deb/ubuntu/yaws@2.2.0+dfsg-2?arch=source&distro=questing

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.2.0+dfsg-2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "2.2.0+dfsg-2",
            "binary_name": "erlang-yapp"
        },
        {
            "binary_version": "2.2.0+dfsg-2",
            "binary_name": "erlang-yaws"
        },
        {
            "binary_version": "2.2.0+dfsg-2",
            "binary_name": "yaws"
        },
        {
            "binary_version": "2.2.0+dfsg-2",
            "binary_name": "yaws-chat"
        },
        {
            "binary_version": "2.2.0+dfsg-2",
            "binary_name": "yaws-mail"
        },
        {
            "binary_version": "2.2.0+dfsg-2",
            "binary_name": "yaws-wiki"
        },
        {
            "binary_version": "2.2.0+dfsg-2",
            "binary_name": "yaws-yapp"
        }
    ]
}