An Improperly Implemented Security Check for Standard vulnerability in storm control of Juniper Networks Junos OS QFX5k devices allows packets to be punted to ARP queue causing a l2 loop resulting in a DDOS violations and DDOS syslog.
This issue is triggered when Storm control is enabled and ICMPv6(internet control message protocol) packets are present on device.
This issue affects Juniper Networks:
Junos OSAll versions prior to 20.2R3-S6 on QFX5k;20.3 versions prior to 20.3R3-S5 on QFX5k;20.4 versions prior to 20.4R3-S5 on QFX5k;21.1 versions prior to 21.1R3-S4 on QFX5k;21.2 versions prior to 21.2R3-S3 on QFX5k;21.3 versions prior to 21.3R3-S2 on QFX5k;21.4 versions prior to 21.4R3 on QFX5k;22.1 versions prior to 22.1R3 on QFX5k;22.2 versions prior to 22.2R2 on QFX5k.
This issue might be seen if the following conditions are met on Junos OS QFX5k platforms:
Enabling storm-control
For example :[forwarding-options set storm-control-profiles profile-name all bandwidth-level kbps][edit set interfaces interface-name unit 0 family ethernet-switching storm-control profile-name ]
Juniper SIRT is not aware of any malicious exploitation of this vulnerability.
This issue was seen during production usage.
This issue has been assigned CVE-2023-44181.
The following software releases have been updated to resolve this specific issue:
Junos OS: 20.2R3-S6, 20.3R3-S5, 20.4R3-S5, 21.1R3-S4, 21.2R3-S3, 21.3R3-S2, 21.4R3, 22.1R3, 22.2R2, 22.3R1, and all subsequent releases.
This issue is being tracked as PR 1670242 which is visible on the Customer Support website.
Note: Juniper SIRT's policy [juniper.net] is not to evaluate releases which are beyond End of Engineering (EOE) or End of Life (EOL).
Disable storm control configuration.
2023-10-11: Initial Publication