CVE-2018-0026

Junos OS: Stateless IP firewall filter rules stop working as expected after reboot or upgrade

Medium · published July 11, 2018

CVSS v3.0
4.7
EPSS
2%
Percentile
77.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
4.7 · MEDIUM
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.01765 · 77.8th percentile
Published
2018-07-11T18:00Z
EPSS history
Timeline
  • 11 JUL 18:00Z
    Junos OS: Stateless IP firewall filter rules stop working as expected after reboot or upgrade
    cvelistv5