SB2018012221 - Fedora 27 update for dnsmasq
Published: January 22, 2018 Updated: April 24, 2025
Security Bulletin ID
SB2018012221
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2017-15107)
The vulnerability allows a remote non-authenticated attacker to manipulate data.
A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including 2.78. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist.
Remediation
Install update from vendor's website.