SB2021042010 - Privilege escalation in Pi-hole



SB2021042010 - Privilege escalation in Pi-hole

Published: April 20, 2021

Security Bulletin ID SB2021042010
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-29449)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in the RemoveCustomCNAMERecord, RemoveCustomDNSAddress and RemoveDHCPStaticAddress functions. A local user can gain elevated privileges on the target system.


Remediation

Install update from vendor's website.