CVE-2017-14491

critical

Description

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.

References

https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq

https://www.kb.cert.org/vuls/id/973527

https://www.debian.org/security/2017/dsa-3989

https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2017-449/

https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2017-449

https://www.arista.com/en/support/advisories-notices/security-advisories/3577-security-advisory-30

https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html

https://security.gentoo.org/glsa/201710-27

https://cert-portal.siemens.com/productcert/pdf/ssa-689071.pdf

https://access.redhat.com/security/vulnerabilities/3199382

https://access.redhat.com/errata/RHSA-2017:2841

https://access.redhat.com/errata/RHSA-2017:2840

https://access.redhat.com/errata/RHSA-2017:2839

https://access.redhat.com/errata/RHSA-2017:2838

https://access.redhat.com/errata/RHSA-2017:2837

https://access.redhat.com/errata/RHSA-2017:2836

http://www.ubuntu.com/usn/USN-3430-3

http://www.ubuntu.com/usn/USN-3430-2

http://www.ubuntu.com/usn/USN-3430-1

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20171103-01-dnsmasq-en

http://www.debian.org/security/2017/dsa-3989

http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txt

http://nvidia.custhelp.com/app/answers/detail/a_id/4561

http://nvidia.custhelp.com/app/answers/detail/a_id/4560

http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html

http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00005.html

http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00004.html

http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00003.html

https://www.cisa.gov/news-events/ics-advisories/icsa-24-074-07

https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11665.html

https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11664.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YXRZ2W6TV6NLUJC5NOFBSG6PZSMDTYPV/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5MMPCJOYPPL4B5RBY4U425PWG7EETDTD/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/527KNN34RN2SB6MBJG7CKSEBWYE3TJEB/

http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=0549c73b7ea6b22a3c49beb4d432f185a81efcbc

http://thekelleys.org.uk/dnsmasq/CHANGELOG

Details

Source: Mitre, NVD

Published: 2017-10-04

Updated: 2025-04-20

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.52378

Detections

Analytics