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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
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
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

https://www.arista.com/en/support/advisories-notices/security-advisories/3577-security-advisory-30
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00004.html
SUSE SUSE-SU-2017:2617
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00003.html
SUSE SUSE-SU-2017:2616
http://packetstormsecurity.com/files/144480/Dnsmasq-2-Byte-Heap-Based-Overflow.html
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20171103-01-dnsmasq-en CONFIRM
https://lists.fedoraproject.org/archives/list/[email protected]/message/527KNN34RN2SB6MBJG7CKSEBWYE3TJEB/
FEDORA FEDORA-2017-7106a157f5
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2017-449 CONFIRM
https://lists.fedoraproject.org/archives/list/[email protected]/message/5MMPCJOYPPL4B5RBY4U425PWG7EETDTD/
FEDORA FEDORA-2017-515264ae24
http://www.ubuntu.com/usn/USN-3430-3
UBUNTU USN-3430-3
https://lists.fedoraproject.org/archives/list/[email protected]/message/YXRZ2W6TV6NLUJC5NOFBSG6PZSMDTYPV/
FEDORA FEDORA-2017-24f067299e
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00005.html
SUSE SUSE-SU-2017:2619
https://www.debian.org/security/2017/dsa-3989
DEBIAN DSA-3989
http://nvidia.custhelp.com/app/answers/detail/a_id/4560 CONFIRM
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2017-449/ CONFIRM
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txt CONFIRM
https://cert-portal.siemens.com/productcert/pdf/ssa-689071.pdf CONFIRM
https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq CONFIRM
http://www.securityfocus.com/bid/101977
BID 101977 RETIRED: Multiple Siemens SCALANCE Products Multiple Security Vulnerabilities Release Date:2019-05-15
http://nvidia.custhelp.com/app/answers/detail/a_id/4561 CONFIRM
https://security.gentoo.org/glsa/201710-27
GENTOO GLSA-201710-27
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
http://www.ubuntu.com/usn/USN-3430-1
UBUNTU USN-3430-1
https://access.redhat.com/errata/RHSA-2017:2838
REDHAT RHSA-2017:2838
https://access.redhat.com/errata/RHSA-2017:2837
REDHAT RHSA-2017:2837
https://access.redhat.com/errata/RHSA-2017:2836
REDHAT RHSA-2017:2836
http://www.ubuntu.com/usn/USN-3430-2
UBUNTU USN-3430-2
https://access.redhat.com/errata/RHSA-2017:2840
REDHAT RHSA-2017:2840
https://access.redhat.com/errata/RHSA-2017:2839
REDHAT RHSA-2017:2839
https://www.exploit-db.com/exploits/42941/
EXPLOIT-DB 42941
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://access.redhat.com/security/vulnerabilities/3199382 CONFIRM
https://access.redhat.com/errata/RHSA-2017:2841
REDHAT RHSA-2017:2841
http://www.securitytracker.com/id/1039474
SECTRACK 1039474
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=0549c73b7ea6b22a3c49beb4d432f185a81efcbc CONFIRM
https://www.mail-archive.com/[email protected]/msg11664.html
MLIST [dnsmasq-discuss] 20171002 IMPORTANT SECURITY INFORMATION.
http://thekelleys.org.uk/dnsmasq/CHANGELOG CONFIRM
https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html
https://www.mail-archive.com/[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 www.metasploit.com for more information)


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