ubuntu-cve-2022-2929
Vulnerability from osv_ubuntu
Published
2022-10-05 00:00
Modified
2026-04-22 07:41
Summary
Details
In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory.
Severity
6.5 (Medium)
6.5 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "isc-dhcp-client",
"binary_version": "4.2.4-7ubuntu12.13+esm2"
},
{
"binary_name": "isc-dhcp-client-noddns",
"binary_version": "4.2.4-7ubuntu12.13+esm2"
},
{
"binary_name": "isc-dhcp-common",
"binary_version": "4.2.4-7ubuntu12.13+esm2"
},
{
"binary_name": "isc-dhcp-relay",
"binary_version": "4.2.4-7ubuntu12.13+esm2"
},
{
"binary_name": "isc-dhcp-server",
"binary_version": "4.2.4-7ubuntu12.13+esm2"
},
{
"binary_name": "isc-dhcp-server-ldap",
"binary_version": "4.2.4-7ubuntu12.13+esm2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "isc-dhcp",
"purl": "pkg:deb/ubuntu/isc-dhcp@4.2.4-7ubuntu12.13+esm2?arch=source\u0026distro=trusty/esm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.2.4-7ubuntu12.13+esm2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.2.4-7ubuntu8",
"4.2.4-7ubuntu9",
"4.2.4-7ubuntu10",
"4.2.4-7ubuntu11",
"4.2.4-7ubuntu12",
"4.2.4-7ubuntu12.1",
"4.2.4-7ubuntu12.2",
"4.2.4-7ubuntu12.3",
"4.2.4-7ubuntu12.4",
"4.2.4-7ubuntu12.5",
"4.2.4-7ubuntu12.6",
"4.2.4-7ubuntu12.7",
"4.2.4-7ubuntu12.8",
"4.2.4-7ubuntu12.9",
"4.2.4-7ubuntu12.10",
"4.2.4-7ubuntu12.12",
"4.2.4-7ubuntu12.13",
"4.2.4-7ubuntu12.13+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-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"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "isc-dhcp",
"purl": "pkg:deb/ubuntu/isc-dhcp@4.3.3-5ubuntu12.10+esm2?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.3.3-5ubuntu12.10+esm2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"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": "No subscription required",
"binaries": [
{
"binary_name": "isc-dhcp-client",
"binary_version": "4.3.5-3ubuntu7.4"
},
{
"binary_name": "isc-dhcp-client-ddns",
"binary_version": "4.3.5-3ubuntu7.4"
},
{
"binary_name": "isc-dhcp-common",
"binary_version": "4.3.5-3ubuntu7.4"
},
{
"binary_name": "isc-dhcp-relay",
"binary_version": "4.3.5-3ubuntu7.4"
},
{
"binary_name": "isc-dhcp-server",
"binary_version": "4.3.5-3ubuntu7.4"
},
{
"binary_name": "isc-dhcp-server-ldap",
"binary_version": "4.3.5-3ubuntu7.4"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "isc-dhcp",
"purl": "pkg:deb/ubuntu/isc-dhcp@4.3.5-3ubuntu7.4?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.3.5-3ubuntu7.4"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.3.5-3ubuntu2",
"4.3.5-3ubuntu3",
"4.3.5-3ubuntu4",
"4.3.5-3ubuntu5",
"4.3.5-3ubuntu6",
"4.3.5-3ubuntu7",
"4.3.5-3ubuntu7.1",
"4.3.5-3ubuntu7.2",
"4.3.5-3ubuntu7.3"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "isc-dhcp-client",
"binary_version": "4.4.1-2.1ubuntu5.20.04.4"
},
{
"binary_name": "isc-dhcp-client-ddns",
"binary_version": "4.4.1-2.1ubuntu5.20.04.4"
},
{
"binary_name": "isc-dhcp-common",
"binary_version": "4.4.1-2.1ubuntu5.20.04.4"
},
{
"binary_name": "isc-dhcp-relay",
"binary_version": "4.4.1-2.1ubuntu5.20.04.4"
},
{
"binary_name": "isc-dhcp-server",
"binary_version": "4.4.1-2.1ubuntu5.20.04.4"
},
{
"binary_name": "isc-dhcp-server-ldap",
"binary_version": "4.4.1-2.1ubuntu5.20.04.4"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "isc-dhcp",
"purl": "pkg:deb/ubuntu/isc-dhcp@4.4.1-2.1ubuntu5.20.04.4?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.4.1-2.1ubuntu5.20.04.4"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.4.1-2ubuntu5",
"4.4.1-2ubuntu6",
"4.4.1-2.1ubuntu1",
"4.4.1-2.1ubuntu2",
"4.4.1-2.1ubuntu3",
"4.4.1-2.1ubuntu4",
"4.4.1-2.1ubuntu5",
"4.4.1-2.1ubuntu5.20.04.1",
"4.4.1-2.1ubuntu5.20.04.2",
"4.4.1-2.1ubuntu5.20.04.3"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "isc-dhcp-client",
"binary_version": "4.4.1-2.3ubuntu2.3"
},
{
"binary_name": "isc-dhcp-client-ddns",
"binary_version": "4.4.1-2.3ubuntu2.3"
},
{
"binary_name": "isc-dhcp-common",
"binary_version": "4.4.1-2.3ubuntu2.3"
},
{
"binary_name": "isc-dhcp-relay",
"binary_version": "4.4.1-2.3ubuntu2.3"
},
{
"binary_name": "isc-dhcp-server",
"binary_version": "4.4.1-2.3ubuntu2.3"
},
{
"binary_name": "isc-dhcp-server-ldap",
"binary_version": "4.4.1-2.3ubuntu2.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "isc-dhcp",
"purl": "pkg:deb/ubuntu/isc-dhcp@4.4.1-2.3ubuntu2.3?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.4.1-2.3ubuntu2.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.4.1-2.3ubuntu1",
"4.4.1-2.3ubuntu2",
"4.4.1-2.3ubuntu2.1",
"4.4.1-2.3ubuntu2.2"
]
}
],
"aliases": [],
"details": "In ISC DHCP 1.0 -\u003e 4.4.3, ISC DHCP 4.1-ESV-R1 -\u003e 4.1-ESV-R16-P1 a system with access to a DHCP server, sending DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory.",
"id": "UBUNTU-CVE-2022-2929",
"modified": "2026-04-22T07:41:16Z",
"published": "2022-10-05T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-2929"
},
{
"type": "REPORT",
"url": "https://lists.isc.org/pipermail/dhcp-announce/2022-October/000437.html"
},
{
"type": "REPORT",
"url": "https://kb.isc.org/docs/cve-2022-2929"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5658-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5658-2"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5658-3"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-2929"
}
],
"related": [
"USN-5658-1",
"USN-5658-2",
"USN-5658-3"
],
"schema_version": "1.7.0",
"severity": [
{
"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": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2022-2929"
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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