Detections
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CVE-2017-14492

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 IPv6 router advertisement request.

References

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

https://www.exploit-db.com/exploits/42942/

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

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

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

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

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

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

http://www.securitytracker.com/id/1039474

http://www.securityfocus.com/bid/101085

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

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

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

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

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

http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=24036ea507862c7b7898b68289c8130f85599c10

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

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

Details

Source: Mitre, NVD

Published: 2017-10-03

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: 0.92641