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Vulnerability Details : CVE-2017-14491

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 DNS response.
Publish Date : 2017-10-04 Last Update Date : 2021-11-17
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- CVSS Scores & Vulnerability Types

CVSS Score
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
RHSA-2017:2838: dnsmasq security update (Critical) oval:com.redhat.rhsa:def:20172838 unix
RHSA-2017:2840: dnsmasq security update (Critical) oval:com.redhat.rhsa:def:20172840 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-2017-14491

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 12.04 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 14.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 16.04 * * * Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 17.04 * * * Version Details Vulnerabilities
5 OS Debian Debian Linux 7.0 * * * Version Details Vulnerabilities
6 OS Debian Debian Linux 7.1 * * * Version Details Vulnerabilities
7 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
8 OS Novell Leap 42.2 * * * Version Details Vulnerabilities
9 OS Novell Leap 42.3 * * * Version Details Vulnerabilities
10 OS Redhat Enterprise Linux Desktop 6.0 * * * Version Details Vulnerabilities
11 OS Redhat Enterprise Linux Desktop 7.0 * * * Version Details Vulnerabilities
12 OS Redhat Enterprise Linux Server 6.0 * * * Version Details Vulnerabilities
13 OS Redhat Enterprise Linux Server 7.0 * * * Version Details Vulnerabilities
14 OS Redhat Enterprise Linux Workstation 6.0 * * * Version Details Vulnerabilities
15 OS Redhat Enterprise Linux Workstation 7.0 * * * Version Details Vulnerabilities
16 Application Thekelleys Dnsmasq * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 4
Debian Debian Linux 3
Novell Leap 2
Redhat Enterprise Linux Desktop 2
Redhat Enterprise Linux Server 2
Redhat Enterprise Linux Workstation 2
Thekelleys Dnsmasq 1

- References For CVE-2017-14491
SUSE SUSE-SU-2017:2617
SUSE SUSE-SU-2017:2616 CONFIRM[email protected]/message/527KNN34RN2SB6MBJG7CKSEBWYE3TJEB/
FEDORA FEDORA-2017-7106a157f5 CONFIRM[email protected]/message/5MMPCJOYPPL4B5RBY4U425PWG7EETDTD/
FEDORA FEDORA-2017-515264ae24
UBUNTU USN-3430-3[email protected]/message/YXRZ2W6TV6NLUJC5NOFBSG6PZSMDTYPV/
FEDORA FEDORA-2017-24f067299e
SUSE SUSE-SU-2017:2619
BID 101977 RETIRED: Multiple Siemens SCALANCE Products Multiple Security Vulnerabilities Release Date:2019-05-15 CONFIRM
GENTOO GLSA-201710-27
SUSE openSUSE-SU-2017:2633
REDHAT RHSA-2017:2838
REDHAT RHSA-2017:2837
REDHAT RHSA-2017:2836
REDHAT RHSA-2017:2840
REDHAT RHSA-2017:2839
BID 101085 Dnsmasq VU#973527 Multiple Security Vulnerabilities Release Date:2019-05-15
REDHAT RHSA-2017:2841
SECTRACK 1039474;a=commit;h=0549c73b7ea6b22a3c49beb4d432f185a81efcbc CONFIRM[email protected]/msg11664.html
MLIST [dnsmasq-discuss] 20171002 IMPORTANT SECURITY INFORMATION. CONFIRM[email protected]/msg11665.html
MLIST [dnsmasq-discuss] 20171002 Announce: dnsmasq-2.78.

- Metasploit Modules Related To CVE-2017-14491

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

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