CVE-2017-14493
high-risk
Published 2017-10-03
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.
Do I need to act?
~
5.3% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
1 public exploit available
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (12)
Affected Vendors
References (40)
Third Party Advisory
http://nvidia.custhelp.com/app/answers/detail/a_id/4561
Release Notes
http://thekelleys.org.uk/dnsmasq/CHANGELOG
Third Party Advisory
http://www.debian.org/security/2017/dsa-3989
Third Party Advisory
http://www.securityfocus.com/bid/101085
Third Party Advisory
http://www.securitytracker.com/id/1039474
Third Party Advisory
http://www.ubuntu.com/usn/USN-3430-1
Third Party Advisory
http://www.ubuntu.com/usn/USN-3430-2
Issue Tracking
https://access.redhat.com/security/vulnerabilities/3199382
Third Party Advisory
https://security.gentoo.org/glsa/201710-27
Third Party Advisory
https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html
Third Party Advisory
https://www.kb.cert.org/vuls/id/973527
Third Party Advisory
https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq
and 20 more references
64
/ 100
high-risk
Severity
32/34 · Critical
Exploitability
15/34 · Moderate
Exposure
17/34 · Moderate