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Vulnerability Details : CVE-2017-14496

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.
Publish Date : 2017-10-03 Last Update Date : 2018-05-11
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 191

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2017:2836: dnsmasq security update (Critical) oval:com.redhat.rhsa:def:20172836 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2017-14496

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 14.04 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 16.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 17.04 * * * Version Details Vulnerabilities
4 OS Debian Debian Linux 7.0 * * * Version Details Vulnerabilities
5 OS Debian Debian Linux 7.1 * * * Version Details Vulnerabilities
6 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
7 OS Google Android 4.4.4 * * * Version Details Vulnerabilities
8 OS Google Android 5.0.2 * * * Version Details Vulnerabilities
9 OS Google Android 5.1.1 * * * Version Details Vulnerabilities
10 OS Google Android 6.0 * * * Version Details Vulnerabilities
11 OS Google Android 6.0.1 * * * Version Details Vulnerabilities
12 OS Google Android 7.0 * * * Version Details Vulnerabilities
13 OS Google Android 7.1.1 * * * Version Details Vulnerabilities
14 OS Google Android 7.1.2 * * * Version Details Vulnerabilities
15 OS Google Android 8.0 * * * Version Details Vulnerabilities
16 OS Novell Leap 42.2 * * * Version Details Vulnerabilities
17 OS Novell Leap 42.3 * * * Version Details Vulnerabilities
18 OS Redhat Enterprise Linux Desktop 7.0 * * * Version Details Vulnerabilities
19 OS Redhat Enterprise Linux Server 7.0 * * * Version Details Vulnerabilities
20 OS Redhat Enterprise Linux Workstation 7.0 * * * Version Details Vulnerabilities
21 Application Thekelleys Dnsmasq * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 3
Debian Debian Linux 3
Google Android 9
Novell Leap 2
Redhat Enterprise Linux Desktop 1
Redhat Enterprise Linux Server 1
Redhat Enterprise Linux Workstation 1
Thekelleys Dnsmasq 1

- References For CVE-2017-14496 CONFIRM CONFIRM CONFIRM
GENTOO GLSA-201710-27
BID 101977 RETIRED: Multiple Siemens SCALANCE Products Multiple Security Vulnerabilities Release Date:2019-05-15 CONFIRM[email protected]/msg11664.html
SUSE openSUSE-SU-2017:2633 CONFIRM
REDHAT RHSA-2017:2836
BID 101085 Dnsmasq VU#973527 Multiple Security Vulnerabilities Release Date:2019-05-15
SECTRACK 1039474 CONFIRM[email protected]/msg11665.html
MLIST [dnsmasq-discuss] 20171002 Announce: dnsmasq-2.78.;a=commit;h=897c113fda0886a28a986cc6ba17bb93bd6cb1c7 CONFIRM

- Metasploit Modules Related To CVE-2017-14496

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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