UBUNTU-CVE-2020-15646

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Source

https://ubuntu.com/security/CVE-2020-15646

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-15646.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-15646

Upstream

CVE-2020-15646

Published

2020-10-08T14:15:00Z

Modified

2025-09-08T16:46:14Z

Severity

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

Summary

[none]

Details

If an attacker intercepts Thunderbird's initial attempt to perform automatic account setup using the Microsoft Exchange autodiscovery mechanism, and the attacker sends a crafted response, then Thunderbird sends username and password over https to a server controlled by the attacker. This vulnerability affects Thunderbird < 68.10.0.

References

Affected packages

Ubuntu:16.04:LTS / thunderbird

Package

Name: thunderbird
Purl: pkg:deb/ubuntu/thunderbird@1:68.10.0+build1-0ubuntu0.16.04.1?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:68.10.0+build1-0ubuntu0.16.04.1

Affected versions

1:38.*

1:38.3.0+build1-0ubuntu2

1:38.5.1+build2-0ubuntu1

1:38.6.0+build1-0ubuntu1

1:38.7.2+build1-0ubuntu0.16.04.1

1:38.8.0+build1-0ubuntu0.16.04.1

1:45.*

1:45.2.0+build1-0ubuntu0.16.04.1

1:45.3.0+build1-0ubuntu0.16.04.2

1:45.4.0+build1-0ubuntu0.16.04.1

1:45.5.1+build1-0ubuntu0.16.04.1

1:45.7.0+build1-0ubuntu0.16.04.1

1:45.8.0+build1-0ubuntu0.16.04.1

1:52.*

1:52.1.1+build1-0ubuntu0.16.04.1

1:52.2.1+build1-0ubuntu0.16.04.1

1:52.3.0+build1-0ubuntu0.16.04.1

1:52.4.0+build1-0ubuntu0.16.04.2

1:52.5.0+build1-0ubuntu0.16.04.1

1:52.6.0+build1-0ubuntu0.16.04.1

1:52.7.0+build1-0ubuntu0.16.04.1

1:52.8.0+build1-0ubuntu0.16.04.1

1:52.9.1+build3-0ubuntu0.16.04.1

1:60.*

1:60.2.1+build1-0ubuntu0.16.04.4

1:60.4.0+build2-0ubuntu0.16.04.1

1:60.5.1+build2-0ubuntu0.16.04.1

1:60.6.1+build2-0ubuntu0.16.04.1

1:60.7.0+build1-0ubuntu0.16.04.1

1:60.7.1+build1-0ubuntu0.16.04.1

1:60.7.2+build2-0ubuntu0.16.04.1

1:60.8.0+build1-0ubuntu0.16.04.2

1:60.9.0+build1-0ubuntu0.16.04.2

1:60.9.1+build1-0ubuntu0.16.04.1

1:68.*

1:68.7.0+build1-0ubuntu0.16.04.2

1:68.8.0+build2-0ubuntu0.16.04.2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.16.04.1",
            "binary_name": "thunderbird"
        },
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.16.04.1",
            "binary_name": "thunderbird-dev"
        },
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.16.04.1",
            "binary_name": "thunderbird-gnome-support"
        },
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.16.04.1",
            "binary_name": "thunderbird-mozsymbols"
        },
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.16.04.1",
            "binary_name": "xul-ext-calendar-timezones"
        },
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.16.04.1",
            "binary_name": "xul-ext-gdata-provider"
        },
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.16.04.1",
            "binary_name": "xul-ext-lightning"
        }
    ]
}

Ubuntu:18.04:LTS / thunderbird

Package

Name: thunderbird
Purl: pkg:deb/ubuntu/thunderbird@1:68.10.0+build1-0ubuntu0.18.04.1?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:68.10.0+build1-0ubuntu0.18.04.1

Affected versions

1:52.*

1:52.4.0+build1-0ubuntu2

1:52.6.0+build1-0ubuntu1

1:52.7.0+build1-0ubuntu1

1:52.8.0+build1-0ubuntu0.18.04.1

1:52.9.1+build3-0ubuntu0.18.04.1

1:60.*

1:60.2.1+build1-0ubuntu0.18.04.2

1:60.4.0+build2-0ubuntu0.18.04.1

1:60.5.1+build2-0ubuntu0.18.04.1

1:60.6.1+build2-0ubuntu0.18.04.1

1:60.7.0+build1-0ubuntu0.18.04.1

1:60.7.1+build1-0ubuntu0.18.04.1

1:60.7.2+build2-0ubuntu0.18.04.1

1:60.8.0+build1-0ubuntu0.18.04.1

1:60.9.0+build1-0ubuntu0.18.04.1

1:68.*

1:68.2.1+build1-0ubuntu0.18.04.1

1:68.2.2+build1-0ubuntu0.18.04.1

1:68.4.1+build1-0ubuntu0.18.04.1

1:68.7.0+build1-0ubuntu0.18.04.1

1:68.8.0+build2-0ubuntu0.18.04.2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.18.04.1",
            "binary_name": "thunderbird"
        },
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.18.04.1",
            "binary_name": "thunderbird-dev"
        },
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.18.04.1",
            "binary_name": "thunderbird-gnome-support"
        },
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.18.04.1",
            "binary_name": "thunderbird-mozsymbols"
        },
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.18.04.1",
            "binary_name": "xul-ext-calendar-timezones"
        },
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.18.04.1",
            "binary_name": "xul-ext-gdata-provider"
        },
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.18.04.1",
            "binary_name": "xul-ext-lightning"
        }
    ]
}

Ubuntu:20.04:LTS / thunderbird

Package

Name: thunderbird
Purl: pkg:deb/ubuntu/thunderbird@1:68.10.0+build1-0ubuntu0.20.04.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:68.10.0+build1-0ubuntu0.20.04.1

Affected versions

1:68.*

1:68.1.2+build1-0ubuntu1

1:68.1.2+build1-0ubuntu2

1:68.2.1+build1-0ubuntu1

1:68.2.2+build1-0ubuntu1

1:68.3.0+build2-0ubuntu1

1:68.3.1+build1-0ubuntu2

1:68.4.1+build1-0ubuntu1

1:68.4.2+build2-0ubuntu1

1:68.5.0+build1-0ubuntu1

1:68.6.0+build2-0ubuntu1

1:68.7.0+build1-0ubuntu1

1:68.7.0+build1-0ubuntu2

1:68.8.0+build2-0ubuntu0.20.04.2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.20.04.1",
            "binary_name": "thunderbird"
        },
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.20.04.1",
            "binary_name": "thunderbird-dev"
        },
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.20.04.1",
            "binary_name": "thunderbird-gnome-support"
        },
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.20.04.1",
            "binary_name": "thunderbird-mozsymbols"
        },
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.20.04.1",
            "binary_name": "xul-ext-calendar-timezones"
        },
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.20.04.1",
            "binary_name": "xul-ext-gdata-provider"
        },
        {
            "binary_version": "1:68.10.0+build1-0ubuntu0.20.04.1",
            "binary_name": "xul-ext-lightning"
        }
    ]
}