USN-4475-1

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

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

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

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