CVE-2017-15107
First published: Tue Jan 23 2018(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Thekelleys Dnsmasq | <=2.78 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this Dnsmasq vulnerability?
The vulnerability ID for this Dnsmasq vulnerability is CVE-2017-15107.
What is the severity of CVE-2017-15107?
The severity of CVE-2017-15107 is high with a score of 7.5.
What is the affected software for CVE-2017-15107?
The affected software for CVE-2017-15107 is Dnsmasq up to and including version 2.78.
How can the vulnerability be exploited?
The vulnerability can be exploited by synthesizing wildcard NSEC records in DNSSEC to prove the non-existence of hostnames that actually exist.
Is there a fix available for CVE-2017-15107?
Yes, a fix for CVE-2017-15107 is available. It is recommended to update to a version of Dnsmasq that is not affected by this vulnerability.
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