CVE-2017-12219 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.securityfocus.com/bid/100926 http://www.securitytracker.com/id/1039413 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170920-spa

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5