medium
6.5
CWE
400
Advisory Published
Updated

CVE-2018-0029: Junos OS: Kernel crash (vmcore) during broadcast storm after enabling 'monitor traffic interface fxp0'

First published: Wed Jul 11 2018(Updated: )

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.

Credit: sirt@juniper.net

Affected SoftwareAffected VersionHow to fix
Juniper Junos=15.1
Juniper Junos=15.1-a1
Juniper Junos=15.1-f1
Juniper Junos=15.1-f2
Juniper Junos=15.1-f2-s1
Juniper Junos=15.1-f2-s2
Juniper Junos=15.1-f2-s3
Juniper Junos=15.1-f2-s4
Juniper Junos=15.1-f3
Juniper Junos=15.1-f4
Juniper Junos=15.1-f5
Juniper Junos=15.1-f6
Juniper Junos=15.1-r4-s9
Juniper Junos=15.1-r6-s6
Juniper Junos=15.1-r7
Juniper Junos=15.1x49
Juniper Junos=15.1x49-d10
Juniper Junos=15.1x49-d100
Juniper Junos=15.1x49-d110
Juniper Junos=15.1x49-d120
Juniper Junos=15.1x49-d130
Juniper Junos=15.1x49-d20
Juniper Junos=15.1x49-d30
Juniper Junos=15.1x49-d35
Juniper Junos=15.1x49-d40
Juniper Junos=15.1x49-d45
Juniper Junos=15.1x49-d50
Juniper Junos=15.1x49-d55
Juniper Junos=15.1x49-d60
Juniper Junos=15.1x49-d65
Juniper Junos=15.1x49-d70
Juniper Junos=15.1x49-d75
Juniper Junos=15.1x49-d80
Juniper Junos=15.1x49-d90
Juniper Junos=15.1x53
Juniper Junos=15.1x53-d20
Juniper Junos=15.1x53-d21
Juniper Junos=15.1x53-d25
Juniper Junos=15.1x53-d30
Juniper Junos=15.1x53-d32
Juniper Junos=15.1x53-d33
Juniper Junos=15.1x53-d34
Juniper Junos=15.1x53-d40
Juniper Junos=15.1x53-d45
Juniper Junos=15.1x53-d50
Juniper Junos=15.1x53-d51
Juniper Junos=15.1x53-d52
Juniper Junos=15.1x53-d55
Juniper Junos=15.1x53-d56
Juniper Junos=15.1x53-d57
Juniper Junos=15.1x53-d58
Juniper EX2300-24T
Juniper EX3400
Juniper Junos=15.1x53-d210
Juniper Junos=15.1x53-d230
Juniper Junos=15.1x53-d231
Juniper Junos=15.1x53-d232
Juniper Junos=15.1x53-d60
Juniper Junos=15.1x53-d61
Juniper Junos=15.1x53-d62
Juniper Junos=15.1x53-d63
Juniper Junos=15.1x53-d64
Juniper Junos=15.1x53-d65
Juniper Junos=15.1x53-d66
Juniper QFX5110
Juniper QFX5200-48Y
Juniper NFX
Juniper Junos=16.1
Juniper Junos=16.1-r1
Juniper Junos=16.1-r2
Juniper Junos=16.1-r3
Juniper Junos=16.1-r5-s4
Juniper Junos=16.1-r6-s1
Juniper Junos=16.1-r7
Juniper Junos=16.2
Juniper Junos=16.2-r1
Juniper Junos=16.2-r2-s5
Juniper Junos=16.2-r3
Juniper Junos=17.1
Juniper Junos=17.1-r1
Juniper Junos=17.1-r2
Juniper Junos=17.1-r2-s7
Juniper Junos=17.1-r3
Juniper Junos=17.2x75
Juniper Junos=17.2x75-d110
Juniper Junos=17.3
Juniper Junos=17.3-r1
Juniper Junos=17.3-r2
Juniper Junos=17.4
Juniper Junos=17.4-r1
Juniper Junos=17.4-r2
Juniper Junos=17.2
Juniper Junos=17.2-r1
Juniper Junos=17.2-r2
Juniper Junos=17.2-r2-s4
Juniper Junos=17.2-r3

Remedy

The following software releases have been updated to resolve this specific issue: 15.1F6-S11*, 15.1R4-S9, 15.1R6-S6, 15.1R7, 15.1X49-D140, 15.1X53-D233, 15.1X53-D471, 15.1X53-D490, 15.1X53-D59, 15.1X53-D67, 16.1R3-S8, 16.1R5-S4, 16.1R6-S1, 16.1R7, 16.2R1-S6, 16.2R2-S5, 16.2R3, 17.1R1-S7, 17.1R2-S7, 17.1R3, 17.2R1-S6, 17.2R2-S4, 17.2R3, 17.2X75-D110, 17.2X75-D90, 17.3R1-S4, 17.3R2, 17.4R1-S3, 17.4R2, 18.1R1, 18.1X75-D10, and all subsequent releases. *Future availability

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Reference Links

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.

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