CVE Catalog

CVE-2017-12219

High
Published: Translated: NVD NIST

Summary

A vulnerability in the handling of IP fragments for the Cisco Small Business SPA300, SPA500, and SPA51x Series IP Phones could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is due to the inability to handle many large IP fragments for reassembly in a short duration.

Risk Assessment

The organization may experience downtime in telephony services, impacting communication and business operations. An attacker could exploit this vulnerability to disrupt device functionality.

Recommendation

It is recommended to update the device firmware to the latest version to mitigate this vulnerability. Additionally, monitor network traffic for potential attack attempts.

Related vulnerabilities

Original NVD description (English source)

A vulnerability in the handling of IP fragments for the Cisco Small Business SPA300, SPA500, and SPA51x Series IP Phones could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is due to the inability to handle many large IP fragments for reassembly in a short duration. An attacker could exploit this vulnerability by sending a crafted stream of IP fragments to the targeted device. An exploit could allow the attacker to cause a DoS condition when the device unexpectedly reloads. Cisco Bug IDs: CSCve82586.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS