Learn about CVE-2017-2301 affecting Juniper Networks Junos OS versions, causing a denial of service vulnerability in the jdhcpd daemon when receiving malicious DHCPv6 packets.
Juniper Networks products running Junos OS versions are susceptible to a denial of service vulnerability due to a crashing jdhcpd daemon when receiving a malicious DHCPv6 packet.
Understanding CVE-2017-2301
The vulnerability in the jdhcpd daemon on Juniper Networks products can lead to extended denial of service situations for subscribers.
What is CVE-2017-2301?
The jdhcpd daemon on Juniper Networks products running specific Junos OS versions is prone to crashing and restarting when receiving a malicious DHCPv6 packet, causing a denial of service.
The Impact of CVE-2017-2301
The repeated crashing of the jdhcpd process can result in an extended denial of service scenario for subscribers attempting to acquire IPv6 addresses.
Technical Details of CVE-2017-2301
Affected systems and versions, along with the exploitation mechanism, are crucial to understanding this vulnerability.
Vulnerability Description
The vulnerability allows a crafted DHCPv6 packet from a subscriber to crash and restart the jdhcpd daemon, leading to a denial of service condition.
Affected Systems and Versions
Exploitation Mechanism
Mitigation and Prevention
Taking immediate steps and implementing long-term security practices are essential to mitigate the impact of CVE-2017-2301.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates