GSD-2020-15157
Vulnerability from gsd - Updated: 2023-12-13 01:21Details
In containerd (an industry-standard container runtime) before version 1.2.14 there is a credential leaking vulnerability. If a container image manifest in the OCI Image format or Docker Image V2 Schema 2 format includes a URL for the location of a specific image layer (otherwise known as a “foreign layer”), the default containerd resolver will follow that URL to attempt to download it. In v1.2.x but not 1.3.0 or later, the default containerd resolver will provide its authentication credentials if the server where the URL is located presents an HTTP 401 status code along with registry-specific HTTP headers. If an attacker publishes a public image with a manifest that directs one of the layers to be fetched from a web server they control and they trick a user or system into pulling the image, they can obtain the credentials used for pulling that image. In some cases, this may be the user's username and password for the registry. In other cases, this may be the credentials attached to the cloud virtual instance which can grant access to other cloud resources in the account. The default containerd resolver is used by the cri-containerd plugin (which can be used by Kubernetes), the ctr development tool, and other client programs that have explicitly linked against it. This vulnerability has been fixed in containerd 1.2.14. containerd 1.3 and later are not affected. If you are using containerd 1.3 or later, you are not affected. If you are using cri-containerd in the 1.2 series or prior, you should ensure you only pull images from trusted sources. Other container runtimes built on top of containerd but not using the default resolver (such as Docker) are not affected.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-15157",
"description": "In containerd (an industry-standard container runtime) before version 1.2.14 there is a credential leaking vulnerability. If a container image manifest in the OCI Image format or Docker Image V2 Schema 2 format includes a URL for the location of a specific image layer (otherwise known as a \u201cforeign layer\u201d), the default containerd resolver will follow that URL to attempt to download it. In v1.2.x but not 1.3.0 or later, the default containerd resolver will provide its authentication credentials if the server where the URL is located presents an HTTP 401 status code along with registry-specific HTTP headers. If an attacker publishes a public image with a manifest that directs one of the layers to be fetched from a web server they control and they trick a user or system into pulling the image, they can obtain the credentials used for pulling that image. In some cases, this may be the user\u0027s username and password for the registry. In other cases, this may be the credentials attached to the cloud virtual instance which can grant access to other cloud resources in the account. The default containerd resolver is used by the cri-containerd plugin (which can be used by Kubernetes), the ctr development tool, and other client programs that have explicitly linked against it. This vulnerability has been fixed in containerd 1.2.14. containerd 1.3 and later are not affected. If you are using containerd 1.3 or later, you are not affected. If you are using cri-containerd in the 1.2 series or prior, you should ensure you only pull images from trusted sources. Other container runtimes built on top of containerd but not using the default resolver (such as Docker) are not affected.",
"id": "GSD-2020-15157",
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"https://www.suse.com/security/cve/CVE-2020-15157.html",
"https://www.debian.org/security/2021/dsa-4865",
"https://access.redhat.com/errata/RHSA-2020:5634",
"https://ubuntu.com/security/CVE-2020-15157",
"https://advisories.mageia.org/CVE-2020-15157.html",
"https://alas.aws.amazon.com/cve/html/CVE-2020-15157.html",
"https://linux.oracle.com/cve/CVE-2020-15157.html"
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"remediation": "unknown",
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"id": "GSD-2020-15157",
"modified": "2023-12-13T01:21:43.983799Z",
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"description": "Containerd (an industry-standard container runtime) suffers from a credential leaking vulnerability. If a container image manifest in the `OCI Image` format or `Docker Image V2 Schema 2` format includes a URL for the location of a specific image layer (otherwise known as a \u201cforeign layer\u201d), the default containerd resolver will follow that URL to attempt to download it. The default containerd resolver will provide its authentication credentials if the server where the URL is located presents an HTTP status code along with registry-specific HTTP headers. If an attacker publishes a public image with a manifest that directs one of the layers to be fetched from a web server they control, and they trick a user or system into pulling the image, they could obtain the credentials used for pulling that image. In some cases, this may be the user\u0027s username and password for the registry. In other cases, this may be the credentials attached to the cloud virtual instance which can grant access to other cloud resources in the account. The default containerd resolver is used by the `cri-containerd` plugin (which can be used by Kubernetes), the `ctr` development tool, and other client programs that have explicitly linked against it. Other container runtimes built on top of containerd but not using the default resolver (such as Docker) are not affected.",
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"identifier": "CVE-2020-15157",
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"package_slug": "go/github.com/containerd/containerd",
"pubdate": "2020-10-16",
"solution": "Upgrade to version 1.2.14 or above.",
"title": "Insufficiently Protected Credentials",
"urls": [
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"lastModifiedDate": "2021-11-18T16:16Z",
"publishedDate": "2020-10-16T17:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
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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