CVE-2017-12219

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.38% Top 25%
Vendor Advisory cisco.com
Affected: n/a Cisco Small Business SPA300, SPA500, and SPA51x Series IP Phones
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170920-spa vendor advisory
http://www.securityfocus.com/bid/100926 vdb entry third party advisory
http://www.securitytracker.com/id/1039413 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-12219?
CVE-2017-12219 has been scored as a high severity vulnerability.
How to fix CVE-2017-12219?
To fix CVE-2017-12219, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-12219 being actively exploited in the wild?
It is possible that CVE-2017-12219 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-12219?
CVE-2017-12219 affects n/a Cisco Small Business SPA300, SPA500, and SPA51x Series IP Phones.
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