CVE-2018-0471

Cisco IOS XE Software Cisco Discovery Protocol Memory Leak Vulnerability

Description

A vulnerability in the Cisco Discovery Protocol (CDP) module of Cisco IOS XE Software Releases 16.6.1 and 16.6.2 could allow an unauthenticated, adjacent attacker to cause a memory leak that may lead to a denial of service (DoS) condition. The vulnerability is due to incorrect processing of certain CDP packets. An attacker could exploit this vulnerability by sending certain CDP packets to an affected device. A successful exploit could cause an affected device to continuously consume memory and eventually result in a memory allocation failure that leads to a crash, triggering a reload of the affected device.

Categories

7.4
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.34%
Vendor Advisory cisco.com
Affected: Cisco Cisco IOS XE Software
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-cdp-memleak vendor advisory
http://www.securityfocus.com/bid/105398 vdb entry third party advisory
http://www.securitytracker.com/id/1041737 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-0471?
CVE-2018-0471 has been scored as a high severity vulnerability.
How to fix CVE-2018-0471?
To fix CVE-2018-0471, 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-2018-0471 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-0471 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-0471?
CVE-2018-0471 affects Cisco Cisco IOS XE Software.
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