Denial of service in Junos OS QFX10002 storm control feature

1) Improper Check or Handling of Exceptional Conditions

EUVDB-ID: #VU75108

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-28965

CWE-ID: CWE-703 - Improper Check or Handling of Exceptional Conditions

Exploit availability: No

Description

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

The vulnerability exists due to an error within the storm control feature. A remote attacker can send a high rate of traffic to the device and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Juniper Junos OS: 19.3 - 21.4R1-S2

External links

http://supportportal.juniper.net/s/article/2023-04-Security-Bulletin-Junos-OS-QFX10002-Failure-of-storm-control-feature-may-lead-to-Denial-of-Service-CVE-2023-28965

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.