National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-14496 Detail

Current Description

Integer underflow in the add_pseudoheader function in dnsmasq before 2.78 , when the --add-mac, --add-cpe-id or --add-subnet option is specified, allows remote attackers to cause a denial of service via a crafted DNS request.

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

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html Issue Tracking Mailing List Third Party Advisory
http://nvidia.custhelp.com/app/answers/detail/a_id/4561
http://thekelleys.org.uk/dnsmasq/CHANGELOG Release Notes Vendor Advisory
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=897c113fda0886a28a986cc6ba17bb93bd6cb1c7 Patch Vendor Advisory
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txt
http://www.debian.org/security/2017/dsa-3989 Third Party Advisory
http://www.securityfocus.com/bid/101085 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/101977
http://www.securitytracker.com/id/1039474 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-3430-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3430-2 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2836 Patch Third Party Advisory
https://access.redhat.com/security/vulnerabilities/3199382 Issue Tracking Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-689071.pdf
https://security.gentoo.org/glsa/201710-27
https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html Third Party Advisory
https://source.android.com/security/bulletin/2017-10-01 Third Party Advisory
https://www.exploit-db.com/exploits/42946/ Third Party Advisory VDB Entry
https://www.kb.cert.org/vuls/id/973527 Third Party Advisory US Government Resource
https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg11664.html Mailing List Third Party Advisory
https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg11665.html Mailing List Third Party Advisory
https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq

Technical Details

Vulnerability Type (View All)

  • Integer Underflow (Wrap or Wraparound) (CWE-191)

Change History

10 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-14496
NVD Published Date:
10/02/2017
NVD Last Modified:
05/10/2018