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Vulnerability Details : CVE-2017-14492

Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted IPv6 router advertisement request.
Publish Date : 2017-10-03 Last Update Date : 2018-03-04
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- CVSS Scores & Vulnerability Types

CVSS Score
7.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
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 ServiceExecute CodeOverflow
CWE ID 119

- 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-2017-14492

# 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 Novell Leap 42.2 * * * Version Details Vulnerabilities
8 OS Novell Leap 42.3 * * * Version Details Vulnerabilities
9 OS Redhat Enterprise Linux Desktop 7.0 * * * Version Details Vulnerabilities
10 OS Redhat Enterprise Linux Server 7.0 * * * Version Details Vulnerabilities
11 OS Redhat Enterprise Linux Workstation 7.0 * * * Version Details Vulnerabilities
12 Application Thekelleys Dnsmasq * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

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

- References For CVE-2017-14492

http://www.debian.org/security/2017/dsa-3989
DEBIAN DSA-3989
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html
SUSE openSUSE-SU-2017:2633
https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq CONFIRM
https://security.gentoo.org/glsa/201710-27
GENTOO GLSA-201710-27
http://nvidia.custhelp.com/app/answers/detail/a_id/4561 CONFIRM
https://access.redhat.com/errata/RHSA-2017:2836
REDHAT RHSA-2017:2836
http://www.ubuntu.com/usn/USN-3430-1
UBUNTU USN-3430-1
https://access.redhat.com/errata/RHSA-2017:2837
REDHAT RHSA-2017:2837
http://thekelleys.org.uk/dnsmasq/CHANGELOG CONFIRM
http://www.securitytracker.com/id/1039474
SECTRACK 1039474
https://www.exploit-db.com/exploits/42942/
EXPLOIT-DB 42942
http://www.securityfocus.com/bid/101085
BID 101085 Dnsmasq VU#973527 Multiple Security Vulnerabilities Release Date:2019-05-15
https://www.kb.cert.org/vuls/id/973527
CERT-VN VU#973527
https://www.mail-archive.com/[email protected]/msg11664.html
MLIST [dnsmasq-discuss] 20171002 IMPORTANT SECURITY INFORMATION.
http://www.ubuntu.com/usn/USN-3430-2
UBUNTU USN-3430-2
https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txt CONFIRM
https://www.mail-archive.com/[email protected]/msg11665.html
MLIST [dnsmasq-discuss] 20171002 Announce: dnsmasq-2.78.
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=24036ea507862c7b7898b68289c8130f85599c10 CONFIRM
https://access.redhat.com/security/vulnerabilities/3199382 CONFIRM

- Metasploit Modules Related To CVE-2017-14492

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


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