USN-4026-1

It was discovered that Bind incorrectly handled certain malformed packets. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:18.04:LTS / bind9

Package

Name: bind9
Purl: pkg:deb/ubuntu/bind9@1:9.11.3+dfsg-1ubuntu1.8?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:9.11.3+dfsg-1ubuntu1.8

Affected versions

1:9.*

1:9.10.3.dfsg.P4-12.6ubuntu1

1:9.11.2.P1-1ubuntu2

1:9.11.2.P1-1ubuntu3

1:9.11.2.P1-1ubuntu4

1:9.11.2.P1-1ubuntu5

1:9.11.3+dfsg-1ubuntu1

1:9.11.3+dfsg-1ubuntu1.1

1:9.11.3+dfsg-1ubuntu1.2

1:9.11.3+dfsg-1ubuntu1.3

1:9.11.3+dfsg-1ubuntu1.5

1:9.11.3+dfsg-1ubuntu1.7

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "bind9",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.8"
        },
        {
            "binary_name": "bind9-host",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.8"
        },
        {
            "binary_name": "bind9utils",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.8"
        },
        {
            "binary_name": "dnsutils",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.8"
        },
        {
            "binary_name": "libbind-dev",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.8"
        },
        {
            "binary_name": "libbind-export-dev",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.8"
        },
        {
            "binary_name": "libbind9-160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.8"
        },
        {
            "binary_name": "libdns-export1100",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.8"
        },
        {
            "binary_name": "libdns1100",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.8"
        },
        {
            "binary_name": "libirs-export160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.8"
        },
        {
            "binary_name": "libirs160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.8"
        },
        {
            "binary_name": "libisc-export169",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.8"
        },
        {
            "binary_name": "libisc169",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.8"
        },
        {
            "binary_name": "libisccc-export160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.8"
        },
        {
            "binary_name": "libisccc160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.8"
        },
        {
            "binary_name": "libisccfg-export160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.8"
        },
        {
            "binary_name": "libisccfg160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.8"
        },
        {
            "binary_name": "liblwres160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.8"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4026-1.json"

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2019-6471"
        }
    ]
}