USN-5658-2

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Source
https://ubuntu.com/security/notices/USN-5658-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5658-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5658-2
Upstream
Related
Published
2022-11-07T19:24:32.397098Z
Modified
2025-10-13T04:36:06Z
Summary
isc-dhcp vulnerabilities
Details

USN-5658-1 fixed vulnerabilities in DHCP. This update provides the corresponding updates for Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that DHCP incorrectly handled option reference counting. A remote attacker could possibly use this issue to cause DHCP servers to crash, resulting in a denial of service. (CVE-2022-2928)

It was discovered that DHCP incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause DHCP clients and servers to consume resources, leading to a denial of service. (CVE-2022-2929)

References

Affected packages

Ubuntu:Pro:16.04:LTS / isc-dhcp

Package

Name
isc-dhcp
Purl
pkg:deb/ubuntu/isc-dhcp@4.3.3-5ubuntu12.10+esm2?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.3.3-5ubuntu12.10+esm2

Affected versions

4.*

4.3.1-5ubuntu3
4.3.1-5ubuntu4
4.3.1-5ubuntu5
4.3.3-5ubuntu1
4.3.3-5ubuntu2
4.3.3-5ubuntu4
4.3.3-5ubuntu5
4.3.3-5ubuntu7
4.3.3-5ubuntu8
4.3.3-5ubuntu9
4.3.3-5ubuntu10
4.3.3-5ubuntu11
4.3.3-5ubuntu12
4.3.3-5ubuntu12.1
4.3.3-5ubuntu12.3
4.3.3-5ubuntu12.4
4.3.3-5ubuntu12.6
4.3.3-5ubuntu12.7
4.3.3-5ubuntu12.9
4.3.3-5ubuntu12.10
4.3.3-5ubuntu12.10+esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "isc-dhcp-client",
            "binary_version": "4.3.3-5ubuntu12.10+esm2"
        },
        {
            "binary_name": "isc-dhcp-client-ddns",
            "binary_version": "4.3.3-5ubuntu12.10+esm2"
        },
        {
            "binary_name": "isc-dhcp-common",
            "binary_version": "4.3.3-5ubuntu12.10+esm2"
        },
        {
            "binary_name": "isc-dhcp-dev",
            "binary_version": "4.3.3-5ubuntu12.10+esm2"
        },
        {
            "binary_name": "isc-dhcp-relay",
            "binary_version": "4.3.3-5ubuntu12.10+esm2"
        },
        {
            "binary_name": "isc-dhcp-server",
            "binary_version": "4.3.3-5ubuntu12.10+esm2"
        },
        {
            "binary_name": "isc-dhcp-server-ldap",
            "binary_version": "4.3.3-5ubuntu12.10+esm2"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2022-2928",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2022-2929",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}