SB2022112120 - SUSE update for cni
Published: November 21, 2022
Security Bulletin ID
SB2022112120
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Protection of Alternate Path (CVE-ID: CVE-2021-20206)
The vulnerability allows a remote user to compromise the affected system.
the vulnerability exists due to improper input validation. 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 a remote user to execute other existing binaries other than the cni plugins/types, such as 'reboot'.
Remediation
Install update from vendor's website.