Description
A Use of Incorrect Byte Ordering
vulnerability
in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS on SRX300 Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).
When a BGP update is received over an established BGP session which contains a specific, valid, optional, transitive path attribute, rpd will crash and restart.
This issue affects eBGP and iBGP over IPv4 and IPv6.
This issue affects:
Junos OS:
* 22.1 versions from 22.1R1 before 22.2R3-S4,
* 22.3 versions before 22.3R3-S3,
* 22.4 versions before 22.4R3-S2,
* 23.2 versions before 23.2R2,
* 23.4 versions before 23.4R2.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Juniper Networks | Junos OS | 22.2 – < 22.2R3-S4, 22.3 – < 22.3R3-S3, 22.4 – < 22.4R3-S2, 23.2 – < 23.2R2, 23.4 – < 23.4R2 | 22.2R3-S4 |
Advisories 2
- WID-SEC-2025-1519 Juniper JUNOS: Mehrere Schwachstellen ermöglichen Privilegieneskalation BSI CERT-Bund (WID) · Oct 9, 2025
- NCSC-2025-0227 Kwetsbaarheid verholpen in Juniper SRX300 Series NCSC-NL (Netherlands) · Jul 11, 2025
References
- https://supportportal.juniper.net/JSA100084 vendor-advisory