An Improper Check for Unusual or Exceptional Conditions vulnerability in the Layer 2 Address Learning Daemon (l2ald) on Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause Denial of Service (DoS).
In an EVPN/VXLAN scenario, when a high amount specific Layer 2 packets are processed by the device, it can cause the Routing Protocol Daemon (rpd) to utilize all CPU resources which causes the device to hang. A manual restart of the rpd is required to restore services.
This issue affects both IPv4 and IPv6 implementations.
This issue affects
Junos OS:
All versions earlier than 21.4R3-S7;
22.1 versions earlier than 22.1R3-S5;
22.2 versions earlier than 22.2R3-S3;
22.3 versions earlier than 22.3R3-S3;
22.4 versions earlier than 22.4R3-S2;
23.2 versions earlier than 23.2R2;
23.4 versions earlier than 23.4R1-S1.
Junos OS Evolved:
All versions earlier than 21.4R3-S7-EVO;
22.1-EVO versions earlier than 22.1R3-S5-EVO;
22.2-EVO versions earlier than 22.2R3-S3-EVO;
22.3-EVO versions earlier than 22.3R3-S3-EVO;
22.4-EVO versions earlier than 22.4R3-S2-EVO;
23.2-EVO versions earlier than 23.2R2-EVO;
23.4-EVO versions earlier than 23.4R1-S1-EVO, 23.4R2-EVO.
Metrics
Affected Vendors & Products
References
Link | Providers |
---|---|
https://supportportal.juniper.net/JSA79175 |
History
No history.
MITRE
Status: PUBLISHED
Assigner: juniper
Published: 2024-07-10T23:06:40.329Z
Updated: 2024-08-02T04:26:15.885Z
Reserved: 2024-06-25T15:12:53.239Z
Link: CVE-2024-39517
Vulnrichment
Updated: 2024-07-11T13:09:01.858Z
NVD
Status : Awaiting Analysis
Published: 2024-07-10T23:15:11.127
Modified: 2024-07-11T13:05:54.930
Link: CVE-2024-39517
Redhat
No data.