SB2021080341 - Fedora 33 update for avahi



SB2021080341 - Fedora 33 update for avahi

Published: August 3, 2021

Security Bulletin ID SB2021080341
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2021-36217)

The vulnerability allows a local attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the D-Bus interface. A local attacker can trigger denial of service conditions via the D-Bus interface or a "ping .local" command.


Remediation

Install update from vendor's website.