CVE-2017-14493
Dnsmasq Remote Stack Buffer Overflow
Description
Stack-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 DHCPv6 request.
INFO
Published Date :
Oct. 3, 2017, 1:29 a.m.
Last Modified :
April 20, 2025, 1:37 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2017-14493
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.0 | CRITICAL | [email protected] |
Solution
CVE-2017-14493 vulnerability.
Public PoC/Exploit Available at Github
CVE-2017-14493 has a 8 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-14493.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-14493 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-14493
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Comprehensive network security assessment toolkit and documentation
None
None
dnsmasq rop exploit with NX bypass
Python
None
Safe libc using introspection
Shell C
None
Shell C
✍️ A curated list of CVE PoCs.
awesome cve poc
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-14493 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-14493 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html Added Reference http://nvidia.custhelp.com/app/answers/detail/a_id/4561 Added Reference http://thekelleys.org.uk/dnsmasq/CHANGELOG Added Reference http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=3d4ff1ba8419546490b464418223132529514033 Added Reference http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txt Added Reference http://www.debian.org/security/2017/dsa-3989 Added Reference http://www.securityfocus.com/bid/101085 Added Reference http://www.securitytracker.com/id/1039474 Added Reference http://www.ubuntu.com/usn/USN-3430-1 Added Reference http://www.ubuntu.com/usn/USN-3430-2 Added Reference https://access.redhat.com/errata/RHSA-2017:2836 Added Reference https://access.redhat.com/errata/RHSA-2017:2837 Added Reference https://access.redhat.com/security/vulnerabilities/3199382 Added Reference https://security.gentoo.org/glsa/201710-27 Added Reference https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html Added Reference https://www.exploit-db.com/exploits/42943/ Added Reference https://www.kb.cert.org/vuls/id/973527 Added Reference https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11664.html Added Reference https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11665.html Added Reference https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=3d4ff1ba8419546490b464418223132529514033 [No types assigned] Added Reference MITRE https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11665.html [No types assigned] Added Reference MITRE https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11664.html [No types assigned] Removed Reference MITRE https://www.mail-archive.com/[email protected]/msg11665.html Removed Reference MITRE https://www.mail-archive.com/[email protected]/msg11664.html Removed Reference MITRE http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=3d4ff1ba8419546490b464418223132529514033 -
CVE Modified by [email protected]
Mar. 04, 2018
Action Type Old Value New Value Added Reference http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txt [No Types Assigned] -
Modified Analysis by [email protected]
Feb. 01, 2018
Action Type Old Value New Value Changed Reference Type https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq No Types Assigned https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq Third Party Advisory Changed Reference Type http://nvidia.custhelp.com/app/answers/detail/a_id/4561 No Types Assigned http://nvidia.custhelp.com/app/answers/detail/a_id/4561 Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/201710-27 No Types Assigned https://security.gentoo.org/glsa/201710-27 Third Party Advisory Changed CPE Configuration OR *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:o:debian:debian_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.1:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:novell:leap:42.2:*:*:*:*:*:*:* *cpe:2.3:o:novell:leap:42.3:*:*:*:*:*:*:* *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:*:*:*:*:*:*:* OR *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:o:debian:debian_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.1:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:* *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:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 30, 2017
Action Type Old Value New Value Added Reference https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq [No Types Assigned] -
CVE Modified by [email protected]
Oct. 24, 2017
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201710-27 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 19, 2017
Action Type Old Value New Value Added Reference http://nvidia.custhelp.com/app/answers/detail/a_id/4561 [No Types Assigned] -
Reanalysis by [email protected]
Oct. 13, 2017
Action Type Old Value New Value Changed CPE Configuration OR *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:o:debian:debian_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.1:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* cpe:2.3:o:novell:leap:42.2:*:*:*:*:*:*:* cpe:2.3:o:novell:leap:42.3:*:*:*:*:*:*:* *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:*:*:*:*:*:*:* OR *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:o:debian:debian_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.1:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:novell:leap:42.2:*:*:*:*:*:*:* *cpe:2.3:o:novell:leap:42.3:*:*:*:*:*:*:* *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:*:*:*:*:*:*:* -
Initial Analysis by [email protected]
Oct. 11, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://www.mail-archive.com/[email protected]/msg11665.html No Types Assigned https://www.mail-archive.com/[email protected]/msg11665.html Mailing List, Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html Issue Tracking, Mailing List, Third Party Advisory Changed Reference Type http://www.debian.org/security/2017/dsa-3989 No Types Assigned http://www.debian.org/security/2017/dsa-3989 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2017:2836 No Types Assigned https://access.redhat.com/errata/RHSA-2017:2836 Patch, Third Party Advisory Changed Reference Type http://www.securitytracker.com/id/1039474 No Types Assigned http://www.securitytracker.com/id/1039474 Third Party Advisory, VDB Entry Changed Reference Type https://www.mail-archive.com/[email protected]/msg11664.html No Types Assigned https://www.mail-archive.com/[email protected]/msg11664.html Mailing List, Third Party Advisory Changed Reference Type https://access.redhat.com/security/vulnerabilities/3199382 No Types Assigned https://access.redhat.com/security/vulnerabilities/3199382 Issue Tracking, Third Party Advisory Changed Reference Type https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html No Types Assigned https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html Third Party Advisory Changed Reference Type http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=3d4ff1ba8419546490b464418223132529514033 No Types Assigned http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=3d4ff1ba8419546490b464418223132529514033 Vendor Advisory Changed Reference Type https://www.exploit-db.com/exploits/42943/ No Types Assigned https://www.exploit-db.com/exploits/42943/ Exploit, Third Party Advisory, VDB Entry Changed Reference Type http://www.ubuntu.com/usn/USN-3430-1 No Types Assigned http://www.ubuntu.com/usn/USN-3430-1 Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/101085 No Types Assigned http://www.securityfocus.com/bid/101085 Third Party Advisory, VDB Entry Changed Reference Type https://access.redhat.com/errata/RHSA-2017:2837 No Types Assigned https://access.redhat.com/errata/RHSA-2017:2837 Patch, Third Party Advisory Changed Reference Type https://www.kb.cert.org/vuls/id/973527 No Types Assigned https://www.kb.cert.org/vuls/id/973527 Third Party Advisory, US Government Resource Changed Reference Type http://thekelleys.org.uk/dnsmasq/CHANGELOG No Types Assigned http://thekelleys.org.uk/dnsmasq/CHANGELOG Release Notes, Vendor Advisory Changed Reference Type http://www.ubuntu.com/usn/USN-3430-2 No Types Assigned http://www.ubuntu.com/usn/USN-3430-2 Third Party Advisory Added CWE CWE-119 Added CPE Configuration OR *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:o:debian:debian_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.1:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* cpe:2.3:o:novell:leap:42.2:*:*:*:*:*:*:* cpe:2.3:o:novell:leap:42.3:*:*:*:*:*:*:* *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:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:thekelleys:dnsmasq:2.77:*:*:*:*:*:*:* (and previous) -
CVE Modified by [email protected]
Oct. 10, 2017
Action Type Old Value New Value Added Reference https://www.kb.cert.org/vuls/id/973527 [No Types Assigned] Added Reference https://access.redhat.com/security/vulnerabilities/3199382 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:2837 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:2836 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-3430-2 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-3430-1 [No Types Assigned] Added Reference http://www.debian.org/security/2017/dsa-3989 [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html [No Types Assigned] -
CVE Modified by [email protected]
Oct. 05, 2017
Action Type Old Value New Value Added Reference https://www.exploit-db.com/exploits/42943/ [No Types Assigned] Added Reference http://www.securityfocus.com/bid/101085 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 04, 2017
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1039474 [No Types Assigned]
Vulnerability Scoring Details
Base CVSS Score: 9.8
Base CVSS Score: 7.5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
5.62 }} -6.39%
score
0.89977
percentile