CVE-2017-14495

CVSS V2 Medium 5 CVSS V3 High 7.5

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.

Overview

CVE ID
CVE-2017-14495

Assigner
cve@mitre.org

Vulnerability Status
Modified

Published Version
2017-10-03T01:29:02

Last Modified Date
2019-10-03T00:03:26

Weakness Enumerations

CWE	URL
CWE-772	http://cwe.mitre.org/data/definitions/772.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version End
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::	1	OR
cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::	1	OR
cpe:2.3:o:canonical:ubuntu_linux:17.04:::::::*	1	OR
cpe:2.3:o:debian:debian_linux:7.0:::::::*	1	OR
cpe:2.3:o:debian:debian_linux:7.1:::::::*	1	OR
cpe:2.3:o:debian:debian_linux:9.0:::::::*	1	OR
cpe:2.3:o:novell:leap:42.2:::::::*	0	OR
cpe:2.3:o:novell:leap:42.3:::::::*	0	OR
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*	1	OR
cpe:2.3:a:thekelleys:dnsmasq::::::::	1	OR	2.77

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.0

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg11665.html	Mailing List Third Party Advisory
https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg11664.html	Mailing List Third Party Advisory
https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html	Third Party Advisory
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=51eadb692a5123b9838e5a68ecace3ac579a3a45	Patch Vendor Advisory
http://thekelleys.org.uk/dnsmasq/CHANGELOG	Release Notes Vendor Advisory
http://www.securitytracker.com/id/1039474	Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/42945/	Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/101085	Third Party Advisory VDB Entry
https://www.kb.cert.org/vuls/id/973527	Third Party Advisory US Government Resource
https://access.redhat.com/security/vulnerabilities/3199382	Issue Tracking Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2836	Patch Third Party Advisory
http://www.ubuntu.com/usn/USN-3430-2	Third Party Advisory
http://www.ubuntu.com/usn/USN-3430-1	Third Party Advisory
http://www.debian.org/security/2017/dsa-3989	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html	Issue Tracking Mailing List Third Party Advisory
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

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2017-14495
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14495

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:22:42				Added to TrackCVE
2022-12-02 21:35:13	2017-10-03T01:29Z	2017-10-03T01:29:02	CVE Published Date	updated
2022-12-02 21:35:13		2019-10-03T00:03:26	CVE Modified Date	updated
2022-12-02 21:35:13		Modified	Vulnerability Status	updated