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

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

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

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

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

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

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

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

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

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-3430-2

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

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

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

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

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

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

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

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

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

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

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

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

https://lists.fedoraproject.org/archives/list/[email protected]/message/YXRZ2W6TV6NLUJC5NOFBSG6PZSMDTYPV/

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

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

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

https://lists.fedoraproject.org/archives/list/[email protected]/message/5MMPCJOYPPL4B5RBY4U425PWG7EETDTD/

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

http://packetstormsecurity.com/files/144480/Dnsmasq-2-Byte-Heap-Based-Overflow.html

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

https://lists.fedoraproject.org/archives/list/[email protected]/message/527KNN34RN2SB6MBJG7CKSEBWYE3TJEB/

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

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

Details

Source: MITRE

Published: 2017-10-04

Updated: 2022-04-22

Type: CWE-787

Risk Information

CVSS v2

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

Base Score: 9.8

Vector: CVSS:3.1/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