Resource management error in Juniper Junos OS

1) Resource management error

EUVDB-ID: #VU19145

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-0049

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to a certain sequence of BGP session restart on a remote peer may cause the local routing protocol daemon (RPD) process to crash and restart. A remote attacker can repeatedly crash the RPD process and cause prolonged denial of service attack.

This vulnerability affects only devices with enabled the BGP graceful restart helper mode or the BGP graceful restart mechanism.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Juniper Junos OS: 16.1 - 18.3R1-S3

External links

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10943&cat=SIRT_1&actp=LIST

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.