CVE-2017-14496
HIGH severity · CVSS 7.5 · CWE-191
7.5CVSS HIGH
Summary
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 & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)66%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://thekelleys.org.uk/dnsmasq/CHANGELOGAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.htmlAdvisory
- http://nvidia.custhelp.com/app/answers/detail/a_id/4561
- http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=897c113fda0886a28a986cc6ba17bb93bd6cb1c7
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txt
- http://www.debian.org/security/2017/dsa-3989Advisory
- http://www.securityfocus.com/bid/101085Advisory
- http://www.securityfocus.com/bid/101977