A Heap-based Buffer Overflow vulnerability in the Network Services Daemon (NSD) of Juniper Networks Junos OS allows authenticated, low privileged, local attacker to cause a Denial of Service (DoS). On an SRX 5000 Series device, when executing a specific command repeatedly, memory is corrupted, which leads to a Flow Processing Daemon (flowd) crash. The NSD process has to be restarted to restore services. If this issue occurs, it can be checked with the following command: user@host> request security policies check The following log message can also be observed: Error: policies are out of sync for PFE node<number>.fpc<number>.pic<number>. This issue affects: Juniper Networks Junos OS on SRX 5000 Series * All versions earlier than 20.4R3-S6; * 21.1 versions earlier than 21.1R3-S5; * 21.2 versions earlier than 21.2R3-S4; * 21.3 versions earlier than 21.3R3-S3; * 21.4 versions earlier than 21.4R3-S3; * 22.1 versions earlier than 22.1R3-S1; * 22.2 versions earlier than 22.2R3; * 22.3 versions earlier than 22.3R2.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: juniper

Published: 2024-01-12T00:52:18.218Z

Updated: 2024-08-01T22:27:35.525Z

Reserved: 2023-12-27T19:38:25.704Z

Link: CVE-2024-21594

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2024-01-12T01:15:46.880

Modified: 2024-11-21T08:54:40.743

Link: CVE-2024-21594

cve-icon Redhat

No data.