CVE-2017-14496

UnknownEPSS 66.35%

Last modified

CVE-2017-14496 is a vulnerability of currently unknown severity. Integer underflow in the add_pseudoheader function in dnsmasq before 2.78 , when the --add-mac, --add-cpe-id or --add-subnet option is specified, allows remote attackers to cause a denial of service via a crafted DNS request.. EPSS estimates a 66.35% chance of exploitation in the next 30 days.

Description

Integer underflow in the add_pseudoheader function in dnsmasq before 2.78 , when the --add-mac, --add-cpe-id or --add-subnet option is specified, allows remote attackers to cause a denial of service via a crafted DNS request.

Metrics

EPSS Probability
66.35%

99.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux16.04
CanonicalUbuntu Linux17.04
DebianDebian Linux7.0
DebianDebian Linux7.1
DebianDebian Linux9.0
GoogleAndroid4.4.4
GoogleAndroid5.0.2
GoogleAndroid5.1.1
GoogleAndroid6.0
GoogleAndroid6.0.1
GoogleAndroid7.0
GoogleAndroid7.1.1
GoogleAndroid7.1.2
GoogleAndroid8.0
NovellLeap42.2
NovellLeap42.3
RedhatEnterprise Linux Desktop7.0
RedhatEnterprise Linux Server7.0
RedhatEnterprise Linux Workstation7.0
ThekelleysDnsmasq<= 2.77

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-14496?
Integer underflow in the add_pseudoheader function in dnsmasq before 2.78 , when the --add-mac, --add-cpe-id or --add-subnet option is specified, allows remote attackers to cause a denial of service via a crafted DNS request.
How severe is CVE-2017-14496?
Severity scoring for CVE-2017-14496 is pending analysis. The EPSS model estimates a 66.35% probability of exploitation in the next 30 days.
How do I fix CVE-2017-14496?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-14496?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST