Resource exhaustion in Juniper Ex2300
CVE-2018-0029
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.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.006 (43.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Juniper Ex2300
- Juniper Ex3400
- Juniper Junos — versions 15.1, 15.1x49, 15.1x53
- Juniper Nfx250
- Juniper Qfx5110
- Juniper Qfx5200
- Juniper Networks Junos Os — versions 17.1, 16.1, 15.1X53
Weakness classification (CWE)
References
- sirt@juniper.net (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- sirt@juniper.net (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-0029?
- CVE-2018-0029 is a medium-severity vulnerability in Juniper Ex2300, classified under Uncontrolled Resource Consumption. CVSS score: 5.7/10. Published 2018-07-11.
- How severe is CVE-2018-0029?
- Medium severity. CVSS v3 base score is 5.7 out of 10.