Vulnerability Details : CVE-2017-14496
Potential exploit
Integer underflow in the add_pseudoheader function 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 via a crafted DNS request.
Vulnerability category: Denial of service
Products affected by CVE-2017-14496
- cpe:2.3:o:novell:leap:42.2:*:*:*:*:*:*:*
- cpe:2.3:o:novell:leap:42.3:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:7.1:*:*:*:*:*:*:*
- 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:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:5.1.1:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:6.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:4.4.4:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:5.0.2:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:7.1.2:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:7.1.1:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:*
- 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:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:*
Threat overview for CVE-2017-14496
Top countries where our scanners detected CVE-2017-14496
Top open port discovered on systems with this issue
53
IPs affected by CVE-2017-14496 813,090
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2017-14496!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2017-14496
25.81%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 97 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-14496
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2017-14496
-
The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-14496
-
https://cert-portal.siemens.com/productcert/pdf/ssa-689071.pdf
-
http://www.ubuntu.com/usn/USN-3430-2
USN-3430-2: Dnsmasq vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://www.debian.org/security/2017/dsa-3989
Debian -- Security Information -- DSA-3989-1 dnsmasqThird Party Advisory
-
http://www.securityfocus.com/bid/101977
RETIRED: Multiple Siemens SCALANCE Products Multiple Security Vulnerabilities
-
https://www.exploit-db.com/exploits/42946/
Dnsmasq < 2.78 - Integer UnderflowThird Party Advisory;VDB Entry
-
https://security.gentoo.org/glsa/201710-27
Dnsmasq: Multiple vulnerabilities (GLSA 201710-27) — Gentoo security
-
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html
[security-announce] openSUSE-SU-2017:2633-1: important: Security updateIssue Tracking;Mailing List;Third Party Advisory
-
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txt
-
https://www.kb.cert.org/vuls/id/973527
VU#973527 - Dnsmasq contains multiple vulnerabilitiesThird Party Advisory;US Government Resource
-
https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg11664.html
[Dnsmasq-discuss] IMPORTANT SECURITY INFORMATION.Mailing List;Third Party Advisory
-
https://access.redhat.com/security/vulnerabilities/3199382
dnsmasq: Multiple Critical and Important vulnerabilities - Red Hat Customer PortalIssue Tracking;Third Party Advisory
-
http://www.securityfocus.com/bid/101085
Dnsmasq VU#973527 Multiple Security VulnerabilitiesThird Party Advisory;VDB Entry
-
https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq
Synology Inc.
-
https://source.android.com/security/bulletin/2017-10-01
Android Security Bulletin—October 2017 | Android Open Source ProjectThird Party Advisory
-
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=897c113fda0886a28a986cc6ba17bb93bd6cb1c7
thekelleys.org.uk Git - dnsmasq.git/commitPatch;Vendor Advisory
-
http://www.securitytracker.com/id/1039474
Dnsmasq Multiple Flaws Let Remote Users Execute Arbitrary Code, Deny Service, and Obtain Potentially Sensitive Information - SecurityTrackerThird Party Advisory;VDB Entry
-
https://access.redhat.com/errata/RHSA-2017:2836
RHSA-2017:2836 - Security Advisory - Red Hat Customer PortalPatch;Third Party Advisory
-
https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg11665.html
[Dnsmasq-discuss] Announce: dnsmasq-2.78.Mailing List;Third Party Advisory
-
http://nvidia.custhelp.com/app/answers/detail/a_id/4561
Security Bulletin: NVIDIA Tegra Jetson L4T contains multiple vulnerabilities; updates for “BlueBorne” and “Dnsmasq”. | NVIDIA
-
http://thekelleys.org.uk/dnsmasq/CHANGELOG
Release Notes;Vendor Advisory
-
http://www.ubuntu.com/usn/USN-3430-1
USN-3430-1: Dnsmasq vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html
Google Online Security Blog: Behind the Masq: Yet more DNS, and DHCP, vulnerabilitiesThird Party Advisory
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