CVE-2018-0472

Cisco IOS XE Software and Cisco ASA 5500-X Series Adaptive Security Appliance IPsec Denial of Service Vulnerability

Description

A vulnerability in the IPsec driver code of multiple Cisco IOS XE Software platforms and the Cisco ASA 5500-X Series Adaptive Security Appliance (ASA) could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerability is due to improper processing of malformed IPsec Authentication Header (AH) or Encapsulating Security Payload (ESP) packets. An attacker could exploit this vulnerability by sending malformed IPsec packets to be processed by an affected device. An exploit could allow the attacker to cause a reload of the affected device.

Category

8.6
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 15.64% Top 10%
Vendor Advisory cisco.com
Affected: Cisco Cisco Adaptive Security Appliance (ASA) Software
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/105418 vdb entry third party advisory
http://www.securitytracker.com/id/1041737 vdb entry third party advisory
http://www.securitytracker.com/id/1041735 vdb entry third party advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-ipsec vendor advisory
https://ics-cert.us-cert.gov/advisories/ICSA-19-094-04

Frequently Asked Questions

What is the severity of CVE-2018-0472?
CVE-2018-0472 has been scored as a high severity vulnerability.
How to fix CVE-2018-0472?
To fix CVE-2018-0472, 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-2018-0472 being actively exploited in the wild?
It is possible that CVE-2018-0472 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~16% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-0472?
CVE-2018-0472 affects Cisco Cisco Adaptive Security Appliance (ASA) Software.
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