USN-5008-2

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Source
https://ubuntu.com/security/notices/USN-5008-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5008-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5008-2
Upstream
Related
Published
2021-07-07T19:17:47.509538Z
Modified
2025-10-13T04:35:34Z
Summary
avahi vulnerability
Details

USN-5008-1 fixed a vulnerability in avahi. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

Thomas Kremer discovered that Avahi incorrectly handled termination signals on the Unix socket. A local attacker could possibly use this issue to cause Avahi to hang, resulting in a denial of service.

References

Affected packages

Ubuntu:Pro:14.04:LTS / avahi

Package

Name
avahi
Purl
pkg:deb/ubuntu/avahi@0.6.31-4ubuntu1.3+esm1?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.6.31-4ubuntu1.3+esm1

Affected versions

0.*

0.6.31-2ubuntu4
0.6.31-2ubuntu5
0.6.31-3ubuntu1
0.6.31-4ubuntu1
0.6.31-4ubuntu1.1
0.6.31-4ubuntu1.2
0.6.31-4ubuntu1.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "avahi-autoipd",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "avahi-daemon",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "avahi-discover",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "avahi-dnsconfd",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "avahi-ui-utils",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "avahi-utils",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "libavahi-client-dev",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "libavahi-client3",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "libavahi-common-data",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "libavahi-common-dev",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "libavahi-common3",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "libavahi-compat-libdnssd-dev",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "libavahi-compat-libdnssd1",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "libavahi-core-dev",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "libavahi-core7",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "libavahi-glib-dev",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "libavahi-glib1",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "libavahi-gobject-dev",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "libavahi-gobject0",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "libavahi-qt4-1",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "libavahi-qt4-dev",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "libavahi-ui-dev",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "libavahi-ui-gtk3-0",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "libavahi-ui-gtk3-dev",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "libavahi-ui0",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        },
        {
            "binary_name": "python-avahi",
            "binary_version": "0.6.31-4ubuntu1.3+esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5008-2.json"

cves_map

{
    "ecosystem": "Ubuntu:Pro:14.04:LTS",
    "cves": [
        {
            "id": "CVE-2021-3468",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:Pro:16.04:LTS / avahi

Package

Name
avahi
Purl
pkg:deb/ubuntu/avahi@0.6.32~rc+dfsg-1ubuntu2.3+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.6.32~rc+dfsg-1ubuntu2.3+esm1

Affected versions

0.*

0.6.31-4ubuntu4
0.6.32~rc+dfsg-1ubuntu2
0.6.32~rc+dfsg-1ubuntu2.1
0.6.32~rc+dfsg-1ubuntu2.2
0.6.32~rc+dfsg-1ubuntu2.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "avahi-autoipd",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "avahi-daemon",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "avahi-discover",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "avahi-dnsconfd",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "avahi-ui-utils",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "avahi-utils",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "libavahi-client-dev",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "libavahi-client3",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "libavahi-common-data",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "libavahi-common-dev",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "libavahi-common3",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "libavahi-compat-libdnssd-dev",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "libavahi-compat-libdnssd1",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "libavahi-core-dev",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "libavahi-core7",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "libavahi-glib-dev",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "libavahi-glib1",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "libavahi-gobject-dev",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "libavahi-gobject0",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "libavahi-qt4-1",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "libavahi-qt4-dev",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "libavahi-ui-dev",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "libavahi-ui-gtk3-0",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "libavahi-ui-gtk3-dev",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "libavahi-ui0",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        },
        {
            "binary_name": "python-avahi",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5008-2.json"

cves_map

{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2021-3468",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}