DHCP: DNSmasq DHCPv6 Stack Buffer Overflow
A stack-based buffer overflow has been reported in the DHCPv6 component of dnsmasq. A remote, unauthenticated attacker can exploit this vulnerability by sending a maliciously crafted packet to the target server. Successful exploitation of this vulnerability could result in execution of arbitrary code on the target server with administrative privileges.
Extended 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.
Affected Products
Thekelleys dnsmasq
Short Name
DHCP:DHCPV6-STACK-BOF
Severity
Major
Recommended
True
Recommended Action
Drop
Category
DHCP
Keywords
Buffer CVE-2017-14493 DHCPv6 DNSmasq Overflow Stack
Release Date
10/13/2017
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3590
Port
UDP/547
False Positive
Unknown
Vendors
Opensuse
Thekelleys
Debian
Redhat
Canonical
CVSS Score
7.5