CVE-2018-0157 - A vulnerability in the Zone-Based Firewall code of Cisco IOS XE Software could allow an unauthentica

CVE-2018-0157

Summary

A vulnerability in the Zone-Based Firewall code of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a device to reload. The vulnerability is due to the way fragmented packets are handled in the firewall code. An attacker could exploit this vulnerability by sending fragmented IP Version 4 or IP Version 6 packets through an affected device. An exploit could allow the attacker to cause the device to crash, resulting in a denial of service (DoS) condition. The following releases of Cisco IOS XE Software are vulnerable: Everest-16.4.1, Everest-16.4.2, Everest-16.5.1, Everest-16.5.1b, Everest-16.6.1, Everest-16.6.1a. Cisco Bug IDs: CSCvf60296.

References

Vulnerable Configurations

cpe:2.3:o:cisco:ios_xe:16.4.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.4.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.4.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.4.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.5.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.5.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.5.1b:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.5.1b:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.6.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.6.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.6.1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.6.1a:*:*:*:*:*:*:*

CVSS

Base:	7.8 (as of 03-12-2019 - 18:54)
Impact:
Exploitability:

CWE

NVD-CWE-noinfo

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	LOW	NONE

Impact

Confidentiality	Integrity	Availability
NONE	NONE	COMPLETE

cvss-vector via4

AV:N/AC:L/Au:N/C:N/I:N/A:C

refmap via4

bid	103561
confirm	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-fwip
sectrack	1040593

Last major update

03-12-2019 - 18:54

Published

28-03-2018 - 22:29

Last modified

03-12-2019 - 18:54