USN-6657-1

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Source

https://ubuntu.com/security/notices/USN-6657-1

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6657-1.json

JSON Data

https://api.osv.dev/v1/vulns/USN-6657-1

Related

Published

2024-02-26T13:52:13.956982Z

Modified

2024-02-26T13:52:13.956982Z

Summary

dnsmasq vulnerabilities

Details

Elias Heftrig, Haya Schulmann, Niklas Vogel, and Michael Waidner discovered that Dnsmasq icorrectly handled validating DNSSEC messages. A remote attacker could possibly use this issue to cause Dnsmasq to consume resources, leading to a denial of service. (CVE-2023-50387)

It was discovered that Dnsmasq incorrectly handled preparing an NSEC3 closest encloser proof. A remote attacker could possibly use this issue to cause Dnsmasq to consume resources, leading to a denial of service. (CVE-2023-50868)

It was discovered that Dnsmasq incorrectly set the maximum EDNS.0 UDP packet size as required by DNS Flag Day 2020. This issue only affected Ubuntu 23.10. (CVE-2023-28450)

References

Affected packages

Ubuntu:20.04:LTS / dnsmasq

Package

Name: dnsmasq
Purl: pkg:deb/ubuntu/dnsmasq?arch=src?distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.90-0ubuntu0.20.04.1

Affected versions

2.*

2.80-1ubuntu2

2.80-1ubuntu4

2.80-1.1ubuntu1

2.80-1.1ubuntu1.2

2.80-1.1ubuntu1.3

2.80-1.1ubuntu1.4

2.80-1.1ubuntu1.5

2.80-1.1ubuntu1.6

2.80-1.1ubuntu1.7

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.90-0ubuntu0.20.04.1",
            "binary_name": "dnsmasq"
        },
        {
            "binary_version": "2.90-0ubuntu0.20.04.1",
            "binary_name": "dnsmasq-base"
        },
        {
            "binary_version": "2.90-0ubuntu0.20.04.1",
            "binary_name": "dnsmasq-base-lua"
        },
        {
            "binary_version": "2.90-0ubuntu0.20.04.1",
            "binary_name": "dnsmasq-utils"
        }
    ]
}

Ubuntu:22.04:LTS / dnsmasq

Package

Name: dnsmasq
Purl: pkg:deb/ubuntu/dnsmasq?arch=src?distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.90-0ubuntu0.22.04.1

Affected versions

2.*

2.85-1ubuntu2

2.86-1.1

2.86-1.1ubuntu0.1

2.86-1.1ubuntu0.2

2.86-1.1ubuntu0.3

2.86-1.1ubuntu0.4

2.86-1.1ubuntu0.5

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.90-0ubuntu0.22.04.1",
            "binary_name": "dnsmasq"
        },
        {
            "binary_version": "2.90-0ubuntu0.22.04.1",
            "binary_name": "dnsmasq-base"
        },
        {
            "binary_version": "2.90-0ubuntu0.22.04.1",
            "binary_name": "dnsmasq-base-lua"
        },
        {
            "binary_version": "2.90-0ubuntu0.22.04.1",
            "binary_name": "dnsmasq-utils"
        }
    ]
}

Ubuntu:23.10 / dnsmasq

Package

Name: dnsmasq
Purl: pkg:deb/ubuntu/dnsmasq?arch=src?distro=mantic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.90-0ubuntu0.23.10.1

Affected versions

2.*

2.89-1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.90-0ubuntu0.23.10.1",
            "binary_name": "dnsmasq"
        },
        {
            "binary_version": "2.90-0ubuntu0.23.10.1",
            "binary_name": "dnsmasq-base"
        },
        {
            "binary_version": "2.90-0ubuntu0.23.10.1",
            "binary_name": "dnsmasq-base-lua"
        },
        {
            "binary_version": "2.90-0ubuntu0.23.10.1",
            "binary_name": "dnsmasq-utils"
        }
    ]
}