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Status published
High
CVE-2017-14496
Integer underflow in the add_pseudoheader function in dnsmasq before 2.78...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.securitytracker.com/id/1039474
- https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq
- http://www.debian.org/security/2017/dsa-3989
- https://access.redhat.com/security/vulnerabilities/3199382
- http://www.securityfocus.com/bid/101085
- http://www.ubuntu.com/usn/USN-3430-1
- http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=897c113fda0886a28a986cc6ba17bb93bd6cb1c7
- http://www.securityfocus.com/bid/101977
- https://www.kb.cert.org/vuls/id/973527
- https://security.gentoo.org/glsa/201710-27
- http://www.ubuntu.com/usn/USN-3430-2
- https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11665.html
- https://source.android.com/security/bulletin/2017-10-01
- https://www.exploit-db.com/exploits/42946/
- https://access.redhat.com/errata/RHSA-2017:2836
- http://nvidia.custhelp.com/app/answers/detail/a_id/4561
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txt
- http://thekelleys.org.uk/dnsmasq/CHANGELOG
- http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html
- https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html
- https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11664.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-689071.pdf
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Affected Vendor
canonical
View all reports →Affected Software
ubuntu linux, debian linux, android, leap, enterprise linux desktop, enterprise linux server, enterprise linux workstation, dnsmasq
Vulnerable Versions:
14.04, 16.04, 17.04, 7.0, 7.1, 9.0, 4.4.4, 5.0.2, 5.1.1, 6.0, 6.0.1, 7.1.1, 7.1.2, 8.0, 42.2, 42.3, 0
Timeline
Official Publish:
October 2nd, 2017
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.