QID 353042

Date Published: 2021-11-23

QID 353042: Amazon Linux Security Advisory for containerd, docker : ALAS-2021-1551

In the oci distribution specification version 1.0.0 and prior and in the oci image specification version 1.0.1 and prior, manifest and index documents are ambiguous without an accompanying content-type http header.
Versions of moby (docker engine) prior to 20.10.11 and versions of containerd prior to 1.4.12 and 1.5.8 treat the content-type header as trusted and deserialize the document according to that header.
If the content-type header changed between pulls of the same ambiguous document (with the same digest), the document may be interpreted differently, meaning that the digest alone is insufficient to unambiguously identify the content of the image. (
( CVE-2021-41190)



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Allows unauthorized disclosure of information; allows unauthorized modification; allows disruption of service.

  • CVSS V3 rated as Medium - 5 severity.
  • CVSS V2 rated as Medium - 4 severity.
    • Solution
    Please refer to Amazon advisory: ALAS-2021-1551 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 353042

    CVE-2021-41190 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS-2021-1551 Amazon Linux URL Logo alas.aws.amazon.com/ALAS-2021-1551.html
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