<p>Upgrade <code>Centos:8</code> <code>containernetworking-plugins</code> to version 0:0.9.1-1.module+el8.4.0+11310+8c67a752 or higher.</p>

Time-of-check Time-of-use (TOCTOU) Affecting containernetworking-plugins package, versions <0:0.9.1-1.module+el8.4.0+11310+8c67a752

Threat Intelligence

0.21% (60^th percentile)

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Snyk ID SNYK-CENTOS8-CONTAINERNETWORKINGPLUGINS-2111775
published 26 Jul 2021
disclosed 19 May 2021

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Introduced: 19 May 2021

CVE-2021-30465 Open this link in a new tab CWE-367 Open this link in a new tab CWE-59 Open this link in a new tab

How to fix?

Upgrade Centos:8 containernetworking-plugins to version 0:0.9.1-1.module+el8.4.0+11310+8c67a752 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream containernetworking-plugins package and not the containernetworking-plugins package as distributed by Centos. See How to fix? for Centos: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.

References

CVSS Scores

version 3.1

Attack Vector (AV)

Network
Attack Complexity (AC)

High
Privileges Required (PR)

Low
User Interaction (UI)

None

Scope (S)

Changed

Confidentiality (C)

High
Integrity (I)

High
Availability (A)

High

Time-of-check Time-of-use (TOCTOU) Affecting containernetworking-plugins package, versions <0:0.9.1-1.module+el8.4.0+11310+8c67a752

Severity

Based on CentOS security rating