Denial of service when processing MPLS packets in Juniper Junos OS



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-0030
CWE-ID CWE-399
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Juniper Junos OS
Operating systems & Components / Operating system

Vendor Juniper Networks, Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource management error

EUVDB-ID: #VU13876

Risk: Medium

CVSSv4.0: 6.6 [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/E:U/U:Green]

CVE-ID: CVE-2018-0030

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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 causing it to constantly reload.

The vulnerability affects MPC7/8/9, PTX-FPC3 (FPC-P1, FPC-P2) line cards and PTX1K.


Mitigation

Install updates from vendor's website.

Vulnerable software versions

Juniper Junos OS: 15.1F2-S1 - 17.4R1

CPE2.3 External links

https://kb.juniper.net/JSA10864
https://kb.juniper.net/KB25385


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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