Input validation error in Juniper Junos OS



| Updated: 2019-05-22
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-0037
CWE-ID CWE-20
Exploitation vector Local network
Public exploit N/A
Vulnerable software
Subscribe 		Juniper Junos OS
Operating systems & Components / Operating system

Vendor Juniper Networks, Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU18579

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-0037

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker in a local network can continuously send the same crafted packet to jdhcpd daemon and cause sustained denial of service attack.


Mitigation

Install updates from vendor's website.

Vulnerable software versions

Juniper Junos OS: 15.1 - 18.3R1-S1

CPE2.3 External links

http://www.securityfocus.com/bid/107894
http://kb.juniper.net/JSA10926


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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



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