CVE & CISA-KEV Catalog

CVE-2017-15107

HIGHEPSS 84th pctl
7.5
CVSS v3
NVD

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.

How to fix

Remediation Available
dnsmasqDebian
Fixed in:2.79-1CVE-2017-15107
Fixed in:2.79-1CVE-2017-15107
Fixed in:2.79-1CVE-2017-15107
Fixed in:2.79-1CVE-2017-15107
dnsmasqUbuntu
Fixed in:2.75-1ubuntu0.16.04.10USN-4924-1
dnsmasq-baseUbuntu
Fixed in:2.75-1ubuntu0.16.04.10USN-4924-1
dnsmasq-utilsUbuntu
Fixed in:2.75-1ubuntu0.16.04.10USN-4924-1

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Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityHigh
AvailabilityNone

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

Exploit Intelligence

2.65%probability of exploitation in 30 days
84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Vendor Advisory1
Third-Party Advisory1
Other references1

Related Vulnerabilities

Other CWE-358 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2018-1270Critical9.877%-Fix
CVE-2018-1275Critical9.858%-Fix
CVE-2024-7965High8.818%KEVFix
CVE-2017-15663High7.513%--
CVE-2016-10229Critical9.813%-Fix
CVE-2024-2174High8.813%-Fix

Common questions

How do I fix CVE-2017-15107?

Published advisories record a fix for 4 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2017-15107 being actively exploited?

Not that we know of. CVE-2017-15107 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.6% is the estimated probability that it will be exploited in the next 30 days. That is higher than 84% of all scored CVEs.

How severe is CVE-2017-15107?

CVE-2017-15107 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2017-15107 affect?

Published advisories record a fix for dnsmasq (Debian), dnsmasq (Ubuntu), dnsmasq-base (Ubuntu), dnsmasq-utils (Ubuntu). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.