Vulnerability · Published Oct 12, 2023 · Assigned by juniper
CVE-2023-44204Junos OS and Junos OS Evolved: The rpd will crash upon receiving a malformed BGP UPDATE message
Medium 6.5
In plain English
A medium-severity security flaw in Junos OS from Juniper Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).
Official description
An Improper Validation of Syntactic Correctness of Input vulnerability in Routing Protocol Daemon (rpd) Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network based attacker to cause a Denial of Service (DoS). When a malformed BGP UPDATE packet is received over an established BGP session, the rpd crashes and restarts. This issue affects both eBGP and iBGP implementations. This issue affects: Juniper Networks Junos OS * 21.4 versions prior to 21.4R3-S4; * 22.1 versions prior to 22.1R3-S3; * 22.2 versions prior to 22.2R3-S2; * 22.3 versions prior to 22.3R2-S2, 22.3R3; * 22.4 versions prior to 22.4R2-S1, 22.4R3; * 23.2 versions prior to 23.2R1, 23.2R2; Juniper Networks Junos OS Evolved * 21.4 versions prior to 21.4R3-S5-EVO; * 22.1 versions prior to 22.1R3-S3-EVO; * 22.2 versions prior to 22.2R3-S3-EVO; * 22.3 versions prior to 22.3R2-S2-EVO; * 22.4 versions prior to 22.4R3-EVO; * 23.2 versions prior to 23.2R2-EVO;
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Juniper Networks | Junos OS | 21.4 – before 21.4R3-S422.1 – before 22.1R3-S322.2 – before 22.2R3-S222.3 – before 22.3R2-S2, 22.3R322.4 – before 22.4R2-S1, 22.4R323.2 – before 23.2R1, 23.2R2 |
| Juniper Networks | Junos OS Evolved | 21.4-EVO – before 21.4R3-S5-EVO22.1-EVO – before 22.1R3-S3-EVO22.2-EVO – before 22.2R3-S3-EVO22.3-EVO – before 22.3R2-S2-EVO22.4-EVO – before 22.4R3-EVO23.2-EVO – before 23.2R2-EVO |
Weakness: CWE-1286 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://supportportal.juniper.net/JSA73170 vendor-advisory