Resource management error in Junos OS and Juniper Junos Space - CVE-2018-0043

 

Resource management error in Junos OS and Juniper Junos Space - CVE-2018-0043

Published: October 10, 2018 / Updated: October 11, 2018


Vulnerability identifier: #VU15305
CSH Severity: Low
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-0043
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform denial of service (DoS) attack.

The vulnerability is caused by improper resources management when processing MPLS packets. A remote attacker can repeatedly send specially crafted MPLS packets to the affected device and cause the routing protocol daemon (RPD) process to crash and restart.  

The vulnerability affects IPv4 and IPv6.


Affected software

Junos OS
Juniper Junos Space

How to mitigate CVE-2018-0043

The vulnerability has been fixed in the versions 12.1X46-D77, 12.3R12-S10, 12.3X48-D75, 14.1X53-D130, 14.1X53-D47, 15.1F6-S10, 15.1R4-S9, 15.1R7, 15.1X49-D140, 15.1X53-D233, 15.1X53-D471, 15.1X53-D490, 15.1X53-D59, 15.1X53-D67, 16.1R3-S8, 16.1R4-S8, 16.1R5-S4, 16.1R6-S4, 16.1R7, 16.1X65-D48, 16.2R1-S6, 16.2R2-S6, 16.2R3, 17.1R1-S7, 17.1R2-S6, 17.1R3, 17.2R1-S6, 17.2R2-S3, 17.2R3, 17.2X75-D100, 17.2X75-D42, 17.2X75-D91, 17.3R1-S4, 17.3R2-S2, 17.3R3, 17.4R1-S3, 17.4R2, 18.1R1, 18.2R1, 18.2X75-D5 and all subsequent releases.

Junos OS - addressed in versions 12.1X46-D77, 12.3X48-D75, 12.3R12-S10, 14.1X53-D47, 14.1X53-D130, 15.1F6-S10, 15.1X49-D140, 15.1X53-D59, 15.1X53-D67, 15.1X53-D233, 15.1X53-D471, 15.1X53-D490, 15.1R4-S9, 15.1R7, 16.1X65-D48, 16.1R3-S8, 16.1R4-S8, 16.1R5-S4, 16.1R6-S4, 16.2R1-S6, 16.2R3, 17.1R1-S6, 17.1R2-S3, 17.1R3, 17.2X75-D42, 17.2X75-D91, 17.2X75-D100, 17.3R1-S4, 17.3R2-S2, 17.3R3, 17.4R1-S3, 17.4R2, 18.1R1, 18.2X75-D5, 18.2R1

External References

Related Security Bulletins