Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Juniper | Junos | 15.1 |
References
- http://www.securityfocus.com/bid/104720Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041315Third Party AdvisoryVDB Entry
- https://kb.juniper.net/JSA10859Vendor Advisory
- http://www.securityfocus.com/bid/104720Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041315Third Party AdvisoryVDB Entry
- https://kb.juniper.net/JSA10859Vendor Advisory
FAQ
What is CVE-2018-0026?
CVE-2018-0026 is a vulnerability with a CVSS score of 4.7 (MEDIUM). 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> ...
How severe is CVE-2018-0026?
CVE-2018-0026 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-0026?
Check the references section above for vendor advisories and patch information. Affected products include: Juniper Junos.