Memory leak in Junos OS Evolved - CVE-2024-39557
Published: July 15, 2024
Vulnerability identifier: #VU94333
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-39557
CWE-ID: CWE-401
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform DoS attack on the target system.
The vulnerability exists due memory leak in the Layer 2 Address Learning Daemon (l2ald) when performing MAC table updates. A remote attacker on the local network can force the daemon to leak memory and perform denial of service attack.
Affected software
Junos OS Evolved
How to mitigate CVE-2024-39557
Install updates from vendor's website.
Junos OS Evolved - addressed in versions 21.4R3-S8-EVO, 22.2R3-S4-EVO, 22.3R3-S3-EVO, 22.4R3-EVO, 23.2R2-EVO, 23.4R1-EVO