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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 v...

HighCVSS 7.5 EPSS 68.4% PoC
Published
Updated
Exploit status
Proof-of-concept only

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.

Affected products

ProductAffected versionsFixed in
debian/dnsmasq(Debian:12) < 2.78-1 2.78-1
debian/dnsmasq(Debian:13) < 2.78-1 2.78-1
debian/dnsmasq(Debian:14) < 2.78-1 2.78-1
Canonical Ubuntu Linux = 14.04 No fix listed
Canonical Ubuntu Linux = 16.04 No fix listed
Canonical Ubuntu Linux = 17.04 No fix listed
debian linux = 7.0 No fix listed
debian linux = 7.1 No fix listed
debian linux = 9.0 No fix listed
Google Android = 4.4.4 No fix listed
Google Android = 5.0.2 No fix listed
Google Android = 5.1.1 No fix listed
Google Android = 6.0 No fix listed
Google Android = 6.0.1 No fix listed
Google Android = 7.0 No fix listed
Google Android = 7.1.1 No fix listed
Google Android = 7.1.2 No fix listed
Google Android = 8.0 No fix listed
novell leap = 42.2 No fix listed
novell leap = 42.3 No fix listed
redhat enterprise linux desktop = 7.0 No fix listed
redhat enterprise linux server = 7.0 No fix listed
redhat enterprise linux workstation = 7.0 No fix listed
thekelleys dnsmasq <= 2.77 No fix listed
alpine/dnsmasq(Alpine:v3.10) < 2.78-r0 2.78-r0
Show 21 more
ProductAffected versionsFixed in
alpine/dnsmasq(Alpine:v3.11) < 2.78-r0 2.78-r0
alpine/dnsmasq(Alpine:v3.12) < 2.78-r0 2.78-r0
alpine/dnsmasq(Alpine:v3.13) < 2.78-r0 2.78-r0
alpine/dnsmasq(Alpine:v3.14) < 2.78-r0 2.78-r0
alpine/dnsmasq(Alpine:v3.15) < 2.78-r0 2.78-r0
alpine/dnsmasq(Alpine:v3.16) < 2.78-r0 2.78-r0
alpine/dnsmasq(Alpine:v3.17) < 2.78-r0 2.78-r0
alpine/dnsmasq(Alpine:v3.18) < 2.78-r0 2.78-r0
alpine/dnsmasq(Alpine:v3.19) < 2.78-r0 2.78-r0
alpine/dnsmasq(Alpine:v3.20) < 2.78-r0 2.78-r0
alpine/dnsmasq(Alpine:v3.21) < 2.78-r0 2.78-r0
alpine/dnsmasq(Alpine:v3.22) < 2.78-r0 2.78-r0
alpine/dnsmasq(Alpine:v3.23) < 2.78-r0 2.78-r0
alpine/dnsmasq(Alpine:v3.24) < 2.78-r0 2.78-r0
alpine/dnsmasq(Alpine:v3.3) < 2.76-r1 2.76-r1
alpine/dnsmasq(Alpine:v3.4) < 2.76-r1 2.76-r1
alpine/dnsmasq(Alpine:v3.5) < 2.76-r2 2.76-r2
alpine/dnsmasq(Alpine:v3.6) < 2.76-r5 2.76-r5
alpine/dnsmasq(Alpine:v3.7) < 2.78-r0 2.78-r0
alpine/dnsmasq(Alpine:v3.8) < 2.78-r0 2.78-r0
alpine/dnsmasq(Alpine:v3.9) < 2.78-r0 2.78-r0

References