National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-14493 Detail

Current 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.

Source:  MITRE      Last Modified:  10/02/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-14493
Original release date:
10/02/2017
Last revised:
02/01/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
9.8 Critical
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (legend)
Impact Score:
5.9
Exploitability Score:
3.9
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.5 HIGH
Vector:
(AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore:
6.4
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html Issue Tracking; Mailing List; Third Party Advisory External Source SUSE openSUSE-SU-2017:2633
http://nvidia.custhelp.com/app/answers/detail/a_id/4561 Third Party Advisory External Source CONFIRM http://nvidia.custhelp.com/app/answers/detail/a_id/4561
http://thekelleys.org.uk/dnsmasq/CHANGELOG Release Notes; Vendor Advisory External Source CONFIRM http://thekelleys.org.uk/dnsmasq/CHANGELOG
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=3d4ff1ba8419546490b464418223132529514033 Vendor Advisory External Source CONFIRM http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=3d4ff1ba8419546490b464418223132529514033
http://www.debian.org/security/2017/dsa-3989 Third Party Advisory External Source DEBIAN DSA-3989
http://www.securityfocus.com/bid/101085 Third Party Advisory; VDB Entry External Source BID 101085
http://www.securitytracker.com/id/1039474 Third Party Advisory; VDB Entry External Source SECTRACK 1039474
http://www.ubuntu.com/usn/USN-3430-1 Third Party Advisory External Source UBUNTU USN-3430-1
http://www.ubuntu.com/usn/USN-3430-2 Third Party Advisory External Source UBUNTU USN-3430-2
https://access.redhat.com/errata/RHSA-2017:2836 Patch; Third Party Advisory External Source REDHAT RHSA-2017:2836
https://access.redhat.com/errata/RHSA-2017:2837 Patch; Third Party Advisory External Source REDHAT RHSA-2017:2837
https://access.redhat.com/security/vulnerabilities/3199382 Issue Tracking; Third Party Advisory External Source CONFIRM https://access.redhat.com/security/vulnerabilities/3199382
https://security.gentoo.org/glsa/201710-27 Third Party Advisory External Source GENTOO GLSA-201710-27
https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html Third Party Advisory External Source MISC https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html
https://www.exploit-db.com/exploits/42943/ Exploit; Third Party Advisory; VDB Entry External Source EXPLOIT-DB 42943
https://www.kb.cert.org/vuls/id/973527 Third Party Advisory; US Government Resource External Source CERT-VN VU#973527
https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg11664.html Mailing List; Third Party Advisory External Source MLIST [dnsmasq-discuss] 20171002 IMPORTANT SECURITY INFORMATION.
https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg11665.html Mailing List; Third Party Advisory External Source MLIST [dnsmasq-discuss] 20171002 Announce: dnsmasq-2.78.
https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq Third Party Advisory External Source CONFIRM https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq

Technical Details

Vulnerability Type (View All)

Change History 9 change records found - show changes