#VU11843 Improper input validation in Juniper Junos OS


Published: 2018-04-16 | Updated: 2018-04-17

Vulnerability identifier: #VU11843

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0020

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Juniper Junos OS
Operating systems & Components / Operating system

Vendor: Juniper Networks, Inc.

Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in rpd daemon cores due to unspecified flaw. A remote attacker can submit a specially crafted BGP UPDATE and cause the service to crash.

Mitigation
Update to versions 14.1X53-D47, 15.1F6-S10, 15.1R4-S9, 15.1R6-S6, 15.1R7, 15.1X49-D130, 15.1X53-D233, 15.1X53-D471, 15.1X53-D58, 15.1X53-D66, 16.1R3-S8, 16.1R4-S9, 16.1R5-S3, 16.1R6-S3, 16.1R7, 16.1X65-D47, 16.2R1-S6, 16.2R2-S5, 16.2R3, 17.1R2-S3, 17.1R3, 17.2R1-S3, 17.2R2-S1, 17.2R3, 17.2X75-D70, 17.3R1 or later.

Vulnerable software versions

Juniper Junos OS: 14.1x53, 15.1, 15.1X49, 15.1X53, 16.1 - 16.1X65, 16.2, 17.1, 17.2 - 17.2X75


External links
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10848&actp=METADATA


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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