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CVE-2017-14496

Published: Oct 2, 2017Updated: May 13, 2026 Sources: CVE List NVD BDU csafCWE-191
7.5HIGH
NVD MITRE
EPSS Score
66.3%
Top 0.8%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-191

Affected Products

Simon Kelley
individual-dev
DnsmasqOn-prem
Networking Infrastructure / dns-dhcp-ntp
canonical
commercial·GBaka canonical ltd.
ubuntu linuxOn-premOS
Operating Systems / linux-distro
debian
oss-project·GBaka debian gnu/linux
debian linuxOn-premOS
Operating Systems / linux-distro
google
commercial·USaka google llc, google inc
androidEmbeddedOS
Operating Systems / mobile-os
novell
commercial·USaka novell suse, suse novell
leapOn-prem
Operating Systems / linux-distro
redhat
commercial·USaka red hat
enterprise linux workstationOn-premOS
Operating Systems / linux-distro
and 4 more affected products View all →

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Scannable·OpenVAS
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Initial Access
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References

http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html
lists.opensuse.org
http://thekelleys.org.uk/dnsmasq/CHANGELOG
thekelleys.org.uk
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=897c113fda0886a28a986cc6ba17bb93bd6cb1c7
thekelleys.org.uk
and 44 more references View all →
News mentions
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