Path Equivalence Affecting runc package, versions <0:1.0.0-0.1.20200204.gitdc9208a.1.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.3% (54th percentile)

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  • Snyk IDSNYK-AMZN201803-RUNC-2348039
  • published20 Jan 2022
  • disclosed25 Sept 2019

Introduced: 25 Sep 2019

CVE-2019-16884  (opens in a new tab)
CWE-41  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 runc to version 0:1.0.0-0.1.20200204.gitdc9208a.1.amzn1 or higher.
This issue was patched in ALAS-2021-1556.

NVD Description

Note: Versions mentioned in the description apply only to the upstream runc package and not the runc package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

runc through 1.0.0-rc8, as used in Docker through 19.03.2-ce and other products, allows AppArmor restriction bypass because libcontainer/rootfs_linux.go incorrectly checks mount targets, and thus a malicious Docker image can mount over a /proc directory.

References

CVSS Base Scores

version 3.1