ubuntu-cve-2023-25173
Vulnerability from osv_ubuntu
Published
2023-02-16 15:15
Modified
2025-09-08 16:56
Summary
Details
containerd is an open source container runtime. A bug was found in containerd prior to versions 1.6.18 and 1.5.18 where supplementary groups are not set up properly inside a container. If an attacker has direct access to a container and manipulates their supplementary group access, they may be able to use supplementary group access to bypass primary group restrictions in some cases, potentially gaining access to sensitive information or gaining the ability to execute code in that container. Downstream applications that use the containerd client library may be affected as well. This bug has been fixed in containerd v1.6.18 and v.1.5.18. Users should update to these versions and recreate containers to resolve this issue. Users who rely on a downstream application that uses containerd's client library should check that application for a separate advisory and instructions. As a workaround, ensure that the "USER $USERNAME" Dockerfile instruction is not used. Instead, set the container entrypoint to a value similar to ENTRYPOINT ["su", "-", "user"] to allow su to properly set up supplementary groups.
Severity
7.8 (High)
5.3 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "containerd",
"binary_version": "1.2.6-0ubuntu1~16.04.6+esm4"
},
{
"binary_name": "golang-github-docker-containerd-dev",
"binary_version": "1.2.6-0ubuntu1~16.04.6+esm4"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "containerd",
"purl": "pkg:deb/ubuntu/containerd@1.2.6-0ubuntu1~16.04.6+esm4?arch=source\u0026distro=esm-apps/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.2.6-0ubuntu1~16.04.6+esm4"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.2.1-0ubuntu4~16.04",
"0.2.3-0ubuntu1~16.04",
"0.2.5-0ubuntu1~16.04.1",
"1.2.6-0ubuntu1~16.04.2",
"1.2.6-0ubuntu1~16.04.3",
"1.2.6-0ubuntu1~16.04.4",
"1.2.6-0ubuntu1~16.04.5",
"1.2.6-0ubuntu1~16.04.6",
"1.2.6-0ubuntu1~16.04.6+esm1",
"1.2.6-0ubuntu1~16.04.6+esm2"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "containerd",
"binary_version": "1.6.12-0ubuntu1~18.04.1+esm1"
},
{
"binary_name": "golang-github-containerd-containerd-dev",
"binary_version": "1.6.12-0ubuntu1~18.04.1+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "containerd",
"purl": "pkg:deb/ubuntu/containerd@1.6.12-0ubuntu1~18.04.1+esm1?arch=source\u0026distro=esm-apps/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.12-0ubuntu1~18.04.1+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.2.5-0ubuntu2",
"1.2.6-0ubuntu1~18.04.1",
"1.2.6-0ubuntu1~18.04.2",
"1.3.3-0ubuntu1~18.04.1",
"1.3.3-0ubuntu1~18.04.2",
"1.3.3-0ubuntu1~18.04.3",
"1.3.3-0ubuntu1~18.04.4",
"1.4.4-0ubuntu1~18.04.2",
"1.5.2-0ubuntu1~18.04.1",
"1.5.2-0ubuntu1~18.04.2",
"1.5.2-0ubuntu1~18.04.3",
"1.5.5-0ubuntu3~18.04.1",
"1.5.5-0ubuntu3~18.04.2",
"1.5.9-0ubuntu1~18.04.1",
"1.5.9-0ubuntu1~18.04.2",
"1.6.12-0ubuntu1~18.04.1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "containerd",
"binary_version": "1.6.12-0ubuntu1~20.04.3"
},
{
"binary_name": "golang-github-containerd-containerd-dev",
"binary_version": "1.6.12-0ubuntu1~20.04.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "containerd",
"purl": "pkg:deb/ubuntu/containerd@1.6.12-0ubuntu1~20.04.3?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.12-0ubuntu1~20.04.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.2.10-0ubuntu1",
"1.3.2-0ubuntu1",
"1.3.3-0ubuntu1",
"1.3.3-0ubuntu2",
"1.3.3-0ubuntu2.1",
"1.3.3-0ubuntu2.2",
"1.3.3-0ubuntu2.3",
"1.4.4-0ubuntu1~20.04.2",
"1.5.2-0ubuntu1~20.04.1",
"1.5.2-0ubuntu1~20.04.2",
"1.5.2-0ubuntu1~20.04.3",
"1.5.5-0ubuntu3~20.04.1",
"1.5.5-0ubuntu3~20.04.2",
"1.5.9-0ubuntu1~20.04.1",
"1.5.9-0ubuntu1~20.04.4",
"1.5.9-0ubuntu1~20.04.5",
"1.5.9-0ubuntu1~20.04.6",
"1.6.12-0ubuntu1~20.04.1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "containerd",
"binary_version": "1.6.12-0ubuntu1~22.04.3"
},
{
"binary_name": "golang-github-containerd-containerd-dev",
"binary_version": "1.6.12-0ubuntu1~22.04.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "containerd",
"purl": "pkg:deb/ubuntu/containerd@1.6.12-0ubuntu1~22.04.3?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.12-0ubuntu1~22.04.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.5.5-0ubuntu3",
"1.5.9-0ubuntu1",
"1.5.9-0ubuntu2",
"1.5.9-0ubuntu3",
"1.5.9-0ubuntu3.1",
"1.6.12-0ubuntu1~22.04.1"
]
}
],
"aliases": [],
"details": "containerd is an open source container runtime. A bug was found in containerd prior to versions 1.6.18 and 1.5.18 where supplementary groups are not set up properly inside a container. If an attacker has direct access to a container and manipulates their supplementary group access, they may be able to use supplementary group access to bypass primary group restrictions in some cases, potentially gaining access to sensitive information or gaining the ability to execute code in that container. Downstream applications that use the containerd client library may be affected as well. This bug has been fixed in containerd v1.6.18 and v.1.5.18. Users should update to these versions and recreate containers to resolve this issue. Users who rely on a downstream application that uses containerd\u0027s client library should check that application for a separate advisory and instructions. As a workaround, ensure that the `\"USER $USERNAME\"` Dockerfile instruction is not used. Instead, set the container entrypoint to a value similar to `ENTRYPOINT [\"su\", \"-\", \"user\"]` to allow `su` to properly set up supplementary groups.",
"id": "UBUNTU-CVE-2023-25173",
"modified": "2025-09-08T16:56:09Z",
"published": "2023-02-16T15:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-25173"
},
{
"type": "REPORT",
"url": "https://github.com/containerd/containerd/security/advisories/GHSA-hmfx-3pcx-653p"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-6202-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-25173"
}
],
"related": [
"USN-6202-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2023-25173"
]
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
Loading…
Loading…