CVE-2021-43784: GO-2022-0274 - Namespace restriction bypass in github.com/opencontainers/runc

CVE-2021-43784 · Severity: low · CVSS 3.1 · Published 2022-07-15

Namespace restriction bypass in github.com/opencontainers/runc

Technologies: github.com/opencontainers/runc (Go). Vendors: Go.

Quick answers

Is CVE-2021-43784 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-43784 being exploited in the wild.
How severe is CVE-2021-43784?
Low severity, with a CVSS score of 3.1, published 15 July 2022.
Which products and versions are affected?
github.com/opencontainers/runc (Go) SEMVER:introduced=0,fixed=1.0.3, SEMVER:introduced=1.0.1-0.20211012131345-9c444070ec7b,fixed=1.1.0.
Is there a fix for CVE-2021-43784?
Yes. github.com/opencontainers/runc (Go): upgrade to 1.0.3, 1.1.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-43784?
Check whether you run github.com/opencontainers/runc (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/opencontainers/runc (Go): upgrade to 1.0.3, 1.1.0 or later
    go get github.com/opencontainers/runc@v1.1.0

Affected products

  • github.com/opencontainers/runc (Go) SEMVER:introduced=0,fixed=1.0.3, SEMVER:introduced=1.0.1-0.20211012131345-9c444070ec7b,fixed=1.1.0

Identifiers

  • CVE-2021-43784
  • GHSA-v95c-p5hm-xq8f
  • GO-2022-0274

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