Description
An Improper Input Validation vulnerability in the routing protocol daemon (rpd) of Juniper Networks allows an attacker to cause a Denial of Service (DoS )to the device upon receiving and processing a specific malformed ISO VPN BGP UPDATE packet.
Continued receipt of this packet will cause a sustained Denial of Service condition.
This issue affects:
* Juniper Networks Junos OS:
* All versions prior to 20.4R3-S6;
* 21.1 versions prior to 21.1R3-S5;
* 21.2 versions prior to 21.2R3-S4;
* 21.3 versions prior to 21.3R3-S3;
* 21.4 versions prior to 21.4R3-S3;
* 22.1 versions prior to 22.1R2-S2, 22.1R3;
* 22.2 versions prior to 22.2R2-S1, 22.2R3;
* 22.3 versions prior to 22.3R1-S2, 22.3R2.
Juniper Networks Junos OS Evolved:
* All versions prior to 20.4R3-S6-EVO;
* 21.1-EVO version 21.1R1-EVO and later versions prior to 21.2R3-S4-EVO;
* 21.3-EVO versions prior to 21.3R3-S3-EVO;
* 21.4-EVO versions prior to 21.4R3-S3-EVO;
* 22.1-EVO versions prior to 22.1R3-EVO;
* 22.2-EVO versions prior to 22.2R2-S1-EVO, 22.2R3-EVO;
* 22.3-EVO versions prior to 22.3R1-S2-EVO, 22.3R2-EVO.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Juniper Networks | Junos OS | < 20.4R3-S6, 21.1 – < 21.1R3-S5, 21.2 – < 21.2R3-S4, 21.3 – < 21.3R3-S3, 21.4 – < 21.4R3-S3, 22.1 – < 22.1R2-S2, 22.1R3, 22.2 – < 22.2R2-S1, 22.2R3, 22.3 – < 22.3R1-S2, 22.3R2 | 20.4R3-S6 |
| Juniper Networks | Junos OS Evolved | < 20.4R3-S6-EVO, 21.1R1-EVO – < 21.1*-EVO, 21.2-EVO – < 21.2R3-S4-EVO, 21.3-EVO – < 21.3R3-S3-EVO, 21.4-EVO – < 21.4R3-S3-EVO, 22.1-EVO – < 22.1R3-EVO, 22.2-EVO – < 22.2R2-S1-EVO, 22.2R3-EVO, 22.3-EVO – < 22.3R1-S2-EVO, 22.3R2-EVO | 20.4R3-S6-EVO |
Advisories 1
- WID-SEC-2023-2636 Juniper Patchday Oktober 2023 BSI CERT-Bund (WID) · Oct 12, 2023
References
- https://supportportal.juniper.net/JSA73146 vendor-advisory