CWE
787 119
Advisory Published
CVE Published
Updated

CVE-2017-14491: Buffer Overflow

First published: Tue Sep 26 2017(Updated: )

Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DNS response.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
debian/dnsmasq
2.80-1+deb10u1
2.85-1
2.89-1
redhat/dnsmasq<2.78
2.78
Android
dnsmasq<=2.77
redhat enterprise Linux desktop=6.0
redhat enterprise Linux desktop=7.0
redhat enterprise Linux server=6.0
redhat enterprise Linux server=7.0
redhat enterprise Linux workstation=6.0
redhat enterprise Linux workstation=7.0
Ubuntu=12.04
Ubuntu=12.04
Ubuntu=14.04
Ubuntu=16.04
Ubuntu=17.04
Debian=7.0
Debian=7.1
Debian=8.0
Debian=9.0
openSUSE=42.2
openSUSE=42.3
SUSE Linux Enterprise Debuginfo=11-sp3
SUSE Linux Enterprise Debuginfo=11-sp4
SUSE Linux Enterprise Point of Sale=11-sp3
SUSE Linux Enterprise Server=11-sp3
SUSE Linux Enterprise Server=11-sp4
SUSE Linux Enterprise Server=12
All of
NVIDIA Linux for Tegra<r21.6
NVIDIA Jetson TK1
All of
NVIDIA Linux for Tegra<r24.2.2
NVIDIA Jetson TX1 L4T
All of
NVIDIA GeForce Experience>=3.0<3.10.0.55
Microsoft Windows
All of
Huawei Honor V9 Play Firmware<jimmy-al00ac00b135
Huawei Honor V9 Play Firmware
Arista EOS<=4.15
Arista EOS>=4.16<4.16.13m
Arista EOS>=4.17<4.17.8m
Arista EOS>=4.18<=4.18.4.2f
All of
Siemens Ruggedcom RM1224 LTE (4G) NAM<5.0
Siemens Ruggedcom RM1224 LTE(4G) EU
All of
Siemens Scalance M-800 Firmware<5.0
Siemens Scalance M-800 Firmware
All of
Siemens Scalance S615 Firmware<5.0
Siemens SCALANCE S615 firmware
All of
Siemens SCALANCE W1750D<6.5.1.5
Siemens Scalance W1750D Firmware
ArubaOS>=6.3.1<6.3.1.25
ArubaOS>=6.4.4.0<6.4.4.16
ArubaOS>=6.5.0.0<6.5.1.9
ArubaOS>=6.5.3.0<6.5.3.3
ArubaOS>=6.5.4.0<6.5.4.2
ArubaOS>=8.1.0.0<8.1.0.4
Synology Router Manager=1.1
Synology DiskStation Manager=5.2
Synology DiskStation Manager=6.0
Synology DiskStation Manager=6.1
NVIDIA Linux for Tegra<r21.6
NVIDIA Jetson TK1
NVIDIA Linux for Tegra<r24.2.2
NVIDIA Jetson TX1 L4T
NVIDIA GeForce Experience>=3.0<3.10.0.55
Microsoft Windows
Huawei Honor V9 Play Firmware<jimmy-al00ac00b135
Huawei Honor V9 Play Firmware
Siemens Ruggedcom RM1224 LTE (4G) NAM<5.0
Siemens Ruggedcom RM1224 LTE(4G) EU
Siemens Scalance M-800 Firmware<5.0
Siemens Scalance M-800 Firmware
Siemens Scalance S615 Firmware<5.0
Siemens SCALANCE S615 firmware
Siemens SCALANCE W1750D<6.5.1.5
Siemens Scalance W1750D Firmware
Synology DiskStation Manager=5.2
Synology DiskStation Manager=6.0
Synology DiskStation Manager=6.1

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2017-14491?

    CVE-2017-14491 is classified as a high severity vulnerability due to its potential to cause denial of service or execute arbitrary code remotely.

  • How do I fix CVE-2017-14491?

    To fix CVE-2017-14491, upgrade dnsmasq to version 2.80 or later on affected Debian systems, or to 2.78 for Red Hat systems.

  • What systems are affected by CVE-2017-14491?

    CVE-2017-14491 affects multiple systems including Debian, Red Hat, and various Linux distributions using dnsmasq versions prior to 2.78.

  • What type of vulnerability is CVE-2017-14491?

    CVE-2017-14491 is a heap-based buffer overflow vulnerability specifically within the DNS implementation of dnsmasq.

  • Can CVE-2017-14491 be exploited remotely?

    Yes, CVE-2017-14491 can be exploited remotely via crafted DNS responses, making it a critical threat.

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