Race Condition Affecting container-tools:3.0/containernetworking-plugins package, versions <0:0.9.1-1.module_el8.6.0+2876+9ed4eae2


Severity

Recommended
0.0
high
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.22% (60th percentile)

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  • Snyk IDSNYK-ALMALINUX8-CONTAINERTOOLS-5611026
  • published28 May 2023
  • disclosed8 Jun 2021

Introduced: 8 Jun 2021

CVE-2021-30465  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 container-tools:3.0/containernetworking-plugins to version 0:0.9.1-1.module_el8.6.0+2876+9ed4eae2 or higher.
This issue was patched in ALSA-2021:2371.

NVD Description

Note: Versions mentioned in the description apply only to the upstream container-tools:3.0/containernetworking-plugins package and not the container-tools:3.0/containernetworking-plugins package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

runc before 1.0.0-rc95 allows a Container Filesystem Breakout via Directory Traversal. To exploit the vulnerability, an attacker must be able to create multiple containers with a fairly specific mount configuration. The problem occurs via a symlink-exchange attack that relies on a race condition.

CVSS Scores

version 3.1