CVE-2018-0026 Information

Description

After Junos OS device reboot or upgrade the stateless firewall filter configuration may not take effect. This issue can be verified by running the command: user@re0 show interfaces interface_name extensive | match filters\ CAM destination filters: 0 CAM source filters: 0 Note: when the issue occurs it does not show the applied firewall filter. The correct output should show the applied firewall filter for example: user@re0 show interfaces interface_name extensive | match filters\ CAM destination filters: 0 CAM source filters: 0 Input Filters: FIREWAL_FILTER_NAME-interface_name This issue affects firewall filters for every address family. Affected releases are Juniper Networks Junos OS: 15.1R4 15.1R5 15.1R6 and SRs based on these MRs. 15.1X8 versions prior to 15.1X8.3.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/104720 http://www.securitytracker.com/id/1041315 https://kb.juniper.net/JSA10859

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5