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Cisco IOS XE Software for Cisco ASR 920 Series Routers Zero Touch Provisioning Denial of Service Vulnerability CVE-2017-3859

Severity
CVSSv3 Score
7.5
Vulnerability description

A vulnerability in the DHCP code for the Zero Touch Provisioning feature of Cisco ASR 920 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause an affected device to reload.

Risk description

The vulnerability is due to a format string vulnerability when processing a crafted DHCP packet for Zero Touch Provisioning. An attacker could exploit this vulnerability by sending a specially crafted DHCP packet to an affected device. An exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition.

Recommendation

See the referenced vendor advisory for a solution.

Codename
Not available
Detectable with
Network Scanner
Scan engine
OpenVAS
Exploitable with Sniper
No
CVE Published
Mar 22, 2017
Detection added at
Software Type
Not available
Vendor
Not available
Product
Not available