CVE-2018-0029: Junos OS: Kernel crash (vmcore) during broadcast storm after enabling 'monitor traffic interface fxp0'
While experiencing a broadcast storm, placing the fxp0 interface into promiscuous mode via the 'monitor traffic interface fxp0' can cause the system to crash and restart (vmcore). This issue only affects Junos OS 15.1 and later releases, and affects both single core and multi-core REs. Releases prior to Junos OS 15.1 are unaffected by this vulnerability. Affected releases are Juniper Networks Junos OS: 15.1 versions prior to 15.1F6-S11, 15.1R4-S9, 15.1R6-S6, 15.1R7; 15.1X49 versions prior to 15.1X49-D140; 15.1X53 versions prior to 15.1X53-D59 on EX2300/EX3400; 15.1X53 versions prior to 15.1X53-D67 on QFX10K; 15.1X53 versions prior to 15.1X53-D233 on QFX5200/QFX5110; 15.1X53 versions prior to 15.1X53-D471, 15.1X53-D490 on NFX; 16.1 versions prior to 16.1R3-S8, 16.1R5-S4, 16.1R6-S1, 16.1R7; 16.2 versions prior to 16.2R1-S6, 16.2R2-S5, 16.2R3; 17.1 versions prior to 17.1R1-S7, 17.1R2-S7, 17.1R3; 17.2 versions prior to 17.2R1-S6, 17.2R2-S4, 17.2R3; 17.2X75 versions prior to 17.2X75-D90, 17.2X75-D110; 17.3 versions prior to 17.3R1-S4, 17.3R2; 17.4 versions prior to 17.4R1-S3, 17.4R2.
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Frequently Asked Questions
What is the severity of CVE-2018-0029?
CVE-2018-0029 has a high severity level as it can cause system crashes and restarts during a broadcast storm when the fxp0 interface is in promiscuous mode.
How do I fix CVE-2018-0029?
To mitigate CVE-2018-0029, avoid placing the fxp0 interface into promiscuous mode, especially during a broadcast storm.
Which versions of Junos OS are affected by CVE-2018-0029?
CVE-2018-0029 affects Junos OS versions 15.1 and later, including all relevant updates and revisions.
What devices are impacted by CVE-2018-0029?
Devices running Junos OS 15.1 and later, including single core and multi-core RE platforms, are impacted by CVE-2018-0029.
Is there a patch available for CVE-2018-0029?
Yes, Juniper Networks provides patches in subsequent updates of Junos OS that address the vulnerability described in CVE-2018-0029.