CVE-2017-14491

HIGH

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

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

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

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

http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=0549c73b7ea6b22a3c49beb4d432f185a81efcbc

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

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

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

http://www.securityfocus.com/bid/101977

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

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

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

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

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

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

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

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

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

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

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

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

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

https://www.exploit-db.com/exploits/42941/

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

https://www.mail-archive.com/[email protected]/msg11664.html

https://www.mail-archive.com/[email protected]/msg11665.html

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

Details

Source: MITRE

Published: 2017-10-04

Updated: 2018-05-11

Type: CWE-119

Risk Information

CVSS v2.0

Base Score: 7.5

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

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3.0

Base Score: 9.8

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

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL