USN-5175-1

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Source
https://ubuntu.com/security/notices/USN-5175-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5175-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5175-1
Related
Published
2021-12-06T14:10:56.631319Z
Modified
2021-12-06T14:10:56.631319Z
Summary
ntp vulnerability
Details

It was discovered that ntpd incorrectly handled memory when CMAC keys were used. A remote attacker could possibly use this issue to cause ntpd to crash resulting in a denial of service.

References

Affected packages

Ubuntu:Pro:20.04:LTS / ntp

Package

Name
ntp
Purl
pkg:deb/ubuntu/ntp?arch=src?distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1

Affected versions

1:4.*

1:4.2.8p12+dfsg-3ubuntu2
1:4.2.8p12+dfsg-3ubuntu3
1:4.2.8p12+dfsg-3ubuntu4
1:4.2.8p12+dfsg-3ubuntu4.20.04.1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1",
            "binary_name": "ntp"
        },
        {
            "binary_version": "1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1",
            "binary_name": "ntp-dbgsym"
        },
        {
            "binary_version": "1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1",
            "binary_name": "ntp-doc"
        },
        {
            "binary_version": "1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1",
            "binary_name": "ntpdate"
        },
        {
            "binary_version": "1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1",
            "binary_name": "ntpdate-dbgsym"
        },
        {
            "binary_version": "1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1",
            "binary_name": "sntp"
        },
        {
            "binary_version": "1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1",
            "binary_name": "sntp-dbgsym"
        }
    ]
}