Description
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 packets are present on device.
This issue affects Juniper Networks:
Junos OS
* All 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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Juniper Networks | Junos OS | < 20.2R3-S6, 20.3 – < 20.3R3-S5, 20.4 – < 20.4R3-S5, 21.1 – < 21.1R3-S4, 21.2 – < 21.2R3-S3, 21.3 – < 21.3R3-S2, 21.4 – < 21.4R3, 22.1 – < 22.1R3, 22.2 – < 22.2R2 | 20.2R3-S6 |
Advisories 1
- WID-SEC-2023-2636 Juniper Patchday Oktober 2023 BSI CERT-Bund (WID) · Oct 12, 2023