CVE-2017-3859

Related Files

Cisco Security Advisory 20170322-ztp

Posted Mar 22, 2017

Authored by Cisco Systems | Site cisco.com

Cisco Security Advisory - 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. 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. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

tags | advisory, remote, denial of service

systems | cisco

advisories | CVE-2017-3859

SHA-256 | 2758392fd2285e59de5765f4ed70e192889eb0b4cc11290f2945bbbaffd07401

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