USN-4924-1

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Source

https://ubuntu.com/security/notices/USN-4924-1

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4924-1.json

JSON Data

https://api.osv.dev/v1/vulns/USN-4924-1

Related

Published

2021-04-22T16:59:05.018180Z

Modified

2021-04-22T16:59:05.018180Z

Summary

dnsmasq vulnerabilities

Details

It was discovered that Dnsmasq incorrectly handled certain wildcard synthesized NSEC records. A remote attacker could possibly use this issue to prove the non-existence of hostnames that actually exist. (CVE-2017-15107)

It was discovered that Dnsmasq incorrectly handled certain large DNS packets. A remote attacker could possibly use this issue to cause Dnsmasq to crash, resulting in a denial of service. (CVE-2019-14513)

References

Affected packages

Ubuntu:16.04:LTS / dnsmasq

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.75-1ubuntu0.16.04.10

Affected versions

2.*

2.75-1

2.75-1ubuntu0.16.04.1

2.75-1ubuntu0.16.04.2

2.75-1ubuntu0.16.04.3

2.75-1ubuntu0.16.04.4

2.75-1ubuntu0.16.04.5

2.75-1ubuntu0.16.04.7

2.75-1ubuntu0.16.04.8

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.75-1ubuntu0.16.04.10",
            "binary_name": "dnsmasq"
        },
        {
            "binary_version": "2.75-1ubuntu0.16.04.10",
            "binary_name": "dnsmasq-base"
        },
        {
            "binary_version": "2.75-1ubuntu0.16.04.10",
            "binary_name": "dnsmasq-utils"
        }
    ]
}