CVE-2017-14495 Information

Description

Memory leak in dnsmasq before 2.78 when the –add-mac –add-cpe-id or –add-subnet option is specified allows remote attackers to cause a denial of service (memory consumption) via vectors involving DNS response creation.

CVSS Vector

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

Reference

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=51eadb692a5123b9838e5a68ecace3ac579a3a45 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/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/42945/ https://www.kb.cert.org/vuls/id/973527 https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg11664.html https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg11665.html https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5