Denial of service in Juniper Junos OS and Junos OS Evolved

1) Input validation error

EUVDB-ID: #VU70509

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-2022-22184

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows an unauthenticated network-based attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the Routing Protocol Daemon (rpd) when processing BGP update messages with a specific transitive attribute. A remote attacker can send a specially crafted BGP update message over an established BGP session and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Junos OS Evolved: 22.3R1-EVO

Juniper Junos OS: 22.3R1

CPE2.3

• cpe:2.3:o:juniper_networks:junos_os_evolved:22.3R1-EVO:*:*:*:*:*:*:*
• cpe:2.3:o:juniper_networks:juniper_junos_os:22.3R1:*:*:*:*:*:*:*

External links

https://kb.juniper.net/JSA70175

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.