x/vulndb: potential Go vuln in github.com/containerd/containerd: GHSA-742w-89gc-8m9c

[GoVulnBot]

In GitHub Security Advisory GHSA-742w-89gc-8m9c, there is a vulnerability in the following Go packages or modules:

Unit	Fixed	Vulnerable Ranges
github.com/containerd/containerd	1.2.14	< 1.2.14

Cross references:

• CVE-2020-15157 appears in issue x/vulndb: potential Go vuln in github.com/containerd/containerd: GHSA-742w-89gc-8m9c #803 NOT_IMPORTABLE
• GHSA-742w-89gc-8m9c appears in issue x/vulndb: potential Go vuln in github.com/containerd/containerd: GHSA-742w-89gc-8m9c #803 NOT_IMPORTABLE

See doc/triage.md for instructions on how to triage this report.

modules:
  - module: TODO
    versions:
      - fixed: 1.2.14
    packages:
      - package: github.com/containerd/containerd
description: |-
    ## Impact

    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 rated by the containerd maintainers as medium, with a CVSS score of 6.1 and a vector string of CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N.

    ## Patches

    This vulnerability has been fixed in containerd 1.2.14.  containerd 1.3 and later are not affected.

    ## Workarounds

    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.

    ## Credits

    The containerd maintainers would like to thank Brad Geesaman, Josh Larsen, Ian Coldwater, Duffie Cooley, and Rory McCune for responsibly disclosing this issue in accordance with the [containerd security policy](https://github.com/containerd/project/blob/master/SECURITY.md).
cves:
  - CVE-2020-15157
ghsas:
  - GHSA-742w-89gc-8m9c

[tatianab]

Duplicate of #803