CVE-2017-14495MEDIUM
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.
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=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/[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: 2017-10-03
Updated: 2019-10-03
Type: CWE-772
Risk Information
CVSS v2.0
Base Score: 5
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 10
Severity: MEDIUM
CVSS v3.0
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 3.9
Severity: HIGH
Vulnerable Software
Configuration 1
OR
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:17.04:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.1:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:novell:leap:42.2:*:*:*:*:*:*:*
cpe:2.3:o:novell:leap:42.3:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
Configuration 2
OR
cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:* versions up to 2.77 (inclusive)
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 126963 | Amazon Linux 2 : dnsmasq (ALAS-2019-1251) | Nessus | Amazon Linux Local Security Checks | high |
| 124926 | EulerOS Virtualization 3.0.1.0 : dnsmasq (EulerOS-SA-2019-1423) | Nessus | Huawei Local Security Checks | high |
| 124883 | EulerOS Virtualization for ARM 64 3.0.1.0 : dnsmasq (EulerOS-SA-2019-1380) | Nessus | Huawei Local Security Checks | high |
| 121733 | Photon OS 1.0: Dnsmasq PHSA-2017-0035 | Nessus | PhotonOS Local Security Checks | high |
| 117729 | EulerOS 2.0 SP2 : dnsmasq (EulerOS-SA-2018-1285) | Nessus | Huawei Local Security Checks | high |
| 111884 | Photon OS 1.0: Dnsmasq PHSA-2017-0035 (deprecated) | Nessus | PhotonOS Local Security Checks | high |
| 109037 | pfSense < 2.3.5 Multiple Vulnerabilities (KRACK) | Nessus | Firewalls | high |
| 105901 | Fedora 27 : dnsmasq (2017-7106a157f5) | Nessus | Fedora Local Security Checks | high |
| 104110 | Fedora 25 : dnsmasq (2017-515264ae24) | Nessus | Fedora Local Security Checks | high |
| 104070 | GLSA-201710-27 : Dnsmasq: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | high |
| 103888 | Fedora 26 : dnsmasq (2017-24f067299e) | Nessus | Fedora Local Security Checks | high |
| 103647 | dnsmasq < 2.78 Multiple Remote Vulnerabilities | Nessus | DNS | high |
| 103641 | Ubuntu 14.04 LTS / 16.04 LTS / 17.04 : dnsmasq vulnerabilities (USN-3430-1) | Nessus | Ubuntu Local Security Checks | high |
| 103640 | SUSE SLES11 Security Update : dnsmasq (SUSE-SU-2017:2619-1) | Nessus | SuSE Local Security Checks | high |
| 103639 | SUSE SLED12 / SLES12 Security Update : dnsmasq (SUSE-SU-2017:2618-1) | Nessus | SuSE Local Security Checks | high |
| 103638 | SUSE SLES11 Security Update : dnsmasq (SUSE-SU-2017:2617-1) | Nessus | SuSE Local Security Checks | high |
| 103637 | SUSE SLES12 Security Update : dnsmasq (SUSE-SU-2017:2616-1) | Nessus | SuSE Local Security Checks | high |
| 103635 | Scientific Linux Security Update : dnsmasq on SL7.x x86_64 (20171002) | Nessus | Scientific Linux Local Security Checks | high |
| 103628 | RHEL 7 : dnsmasq (RHSA-2017:2836) | Nessus | Red Hat Local Security Checks | high |
| 103625 | Oracle Linux 7 : dnsmasq (ELSA-2017-2836) | Nessus | Oracle Linux Local Security Checks | high |
| 103623 | openSUSE Security Update : dnsmasq (openSUSE-2017-1116) | Nessus | SuSE Local Security Checks | high |
| 103620 | FreeBSD : dnsmasq -- multiple vulnerabilities (b77b5646-a778-11e7-ac58-b499baebfeaf) | Nessus | FreeBSD Local Security Checks | high |
| 103608 | Debian DSA-3989-1 : dnsmasq - security update | Nessus | Debian Local Security Checks | high |
| 103605 | CentOS 7 : dnsmasq (CESA-2017:2836) | Nessus | CentOS Local Security Checks | high |
| 103604 | Amazon Linux AMI : dnsmasq (ALAS-2017-907) | Nessus | Amazon Linux Local Security Checks | high |
| 103599 | Slackware 13.0 / 13.1 / 13.37 / 14.0 / 14.1 / 14.2 / current : dnsmasq (SSA:2017-275-01) | Nessus | Slackware Local Security Checks | high |