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CVE-2018-0029

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

Medium5.7EPSS 0.56%
Published
Updated
Reserved
Assigned by
juniper

Description

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.

Scores

CVSS scores of CVE-2018-0029, by who scored it
Scored byCVSSScoreVector
juniperCNA (assigner)3.0Medium5.7CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVDNVD · Modified3.0Medium6.5CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.56% · top 53% of all CVEs (4 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.7.

Weakness

Affected products

  • Juniper Networks · Junos OS

    • affected 15.1 – < 15.1F6-S11, 15.1R4-S9, 15.1R6-S6, 15.1R7
    • affected 16.1 – < 16.1R3-S8, 16.1R5-S4, 16.1R6-S1, 16.1R7
    • affected 16.2 – < 16.2R1-S6, 16.2R2-S5, 16.2R3
    • affected 17.1 – < 17.1R1-S7, 17.1R2-S7, 17.1R3
    • affected 17.2 – < 17.2R1-S6, 17.2R2-S4, 17.2R3
    • affected 17.2X75 – < 17.2X75-D90, 17.2X75-D110
    • affected 17.3 – < 17.3R1-S4, 17.3R2
    • affected 17.4 – < 17.4R1-S3, 17.4R2

  • Juniper Networks · Junos OS

    • affected 15.1X49 – < 15.1X49-D140

  • Juniper Networks · Junos OS

    • affected 15.1X53 – < 15.1X53-D59

  • Juniper Networks · Junos OS

    • affected 15.1X53 – < 15.1X53-D67

  • Juniper Networks · Junos OS

    • affected 15.1X53 – < 15.1X53-D233

  • Juniper Networks · Junos OS

    • affected 15.1X53 – < 15.1X53-D471, 15.1X53-D490

What to do

Solution: 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

Workaround: Avoid executing the 'monitor traffic interface fxp0' command while attempting to troubleshoot broadcast storms.

Exploitation: Juniper SIRT is not aware of any malicious exploitation of this vulnerability.

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .