Description
An improper limitation of path name flaw was found in containernetworking/cni in versions before 0.8.1. When specifying the plugin to load in the 'type' field in the network configuration, it is possible to use special elements such as "../" separators to reference binaries elsewhere on the system. This flaw allows an attacker to execute other existing binaries other than the cni plugins/types, such as 'reboot'. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Published: 2021-03-26
Score: 7.2 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2022-1255 An improper limitation of path name flaw was found in containernetworking/cni in versions before 0.8.1. When specifying the plugin to load in the 'type' field in the network configuration, it is possible to use special elements such as "../" separators to reference binaries elsewhere on the system. This flaw allows an attacker to execute other existing binaries other than the cni plugins/types, such as 'reboot'. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Github GHSA Github GHSA GHSA-xjqr-g762-pxwp containernetworking/cni improper limitation of path name
History

No history.

Subscriptions

Linuxfoundation Container Network Interface
Redhat Container Native Virtualization Openshift
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-03T17:30:07.575Z

Reserved: 2020-12-17T00:00:00.000Z

Link: CVE-2021-20206

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-03-26T22:15:12.617

Modified: 2024-11-21T05:46:07.850

Link: CVE-2021-20206

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-02-05T00:00:00Z

Links: CVE-2021-20206 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses