SB2019031916 - Fedora 28 update for pdns
Published: March 19, 2019 Updated: April 24, 2025
Security Bulletin ID
SB2019031916
CSH Severity
Medium
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 vulnerability.
1) Input validation error (CVE-ID: CVE-2019-3871)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when processing DNS requests in RESTful mode in the HTTP Connector of the Remote backend. A remote attacker can send a specially crafted DNS request to the affected server and perform denial of service (DoS) attack.
Remediation
Install update from vendor's website.