SB2018012340 - Fedora 26 update for knot-resolver 



SB2018012340 - Fedora 26 update for knot-resolver

Published: January 23, 2018 Updated: April 24, 2025

Security Bulletin ID SB2018012340
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote 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) Input validation error (CVE-ID: CVE-2018-1000002)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

Improper input validation bugs in DNSSEC validators components in Knot Resolver (prior version 1.5.2) allow attacker in man-in-the-middle position to deny existence of some data in DNS via packet replay.


Remediation

Install update from vendor's website.