SB2018012210 - Input validation error in Nic Knot Resolver
Published: January 22, 2018 Updated: July 17, 2020
Security Bulletin ID
SB2018012210
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- 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.