CVE-2017-15107 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00027.html http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2018q1/011896.html http://www.securityfocus.com/bid/102812

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5