USN-4475-1

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Source
https://ubuntu.com/security/notices/USN-4475-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4475-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4475-1
Upstream
Related
Published
2020-08-27T12:24:39Z
Modified
2026-02-10T04:41:54Z
Summary
chrony vulnerability
Details

It was discovered that Chrony incorrectly handled certain symbolic links. An attacker could possibly use this issue to cause a denial of service or expose sensitive information.

References

Affected packages

Ubuntu:18.04:LTS / chrony

Package

Name
chrony
Purl
pkg:deb/ubuntu/chrony@3.2-4ubuntu4.5?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.2-4ubuntu4.5

Affected versions

3.*
3.1-5
3.2-1build1
3.2-1ubuntu3
3.2-2
3.2-2ubuntu2
3.2-2ubuntu3
3.2-4ubuntu1
3.2-4ubuntu2
3.2-4ubuntu3
3.2-4ubuntu4
3.2-4ubuntu4.1
3.2-4ubuntu4.2
3.2-4ubuntu4.4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "chrony",
            "binary_version": "3.2-4ubuntu4.5"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-14367",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4475-1.json"

Ubuntu:20.04:LTS / chrony

Package

Name
chrony
Purl
pkg:deb/ubuntu/chrony@3.5-6ubuntu6.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.5-6ubuntu6.2

Affected versions

3.*
3.5-2ubuntu2
3.5-2ubuntu3
3.5-4ubuntu2
3.5-5ubuntu1
3.5-6ubuntu1
3.5-6ubuntu2
3.5-6ubuntu3
3.5-6ubuntu5
3.5-6ubuntu6
3.5-6ubuntu6.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "chrony",
            "binary_version": "3.5-6ubuntu6.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-14367",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4475-1.json"