Missing release of memory after effective lifetime in Junos OS - CVE-2024-39539
Published: July 12, 2024
Vulnerability identifier: #VU94198
CSH Severity: Medium
CVSS v4: 6 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-39539
CWE-ID: CWE-401
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to missing release of memory after effective lifetime error. A remote non-authenticated attacker can cause a Denial-of-Service (DoS).
In a subscriber management scenario continuous subscriber logins will trigger a memory leak and eventually lead to an FPC crash and restart.
Affected software
Junos OS
How to mitigate CVE-2024-39539
Install updates from vendor's website.
Junos OS - addressed in versions 21.2R3-S6, 21.4R3-S6, 22.1R3-S5, 22.2R3-S3, 22.3R3-S2, 22.4R3, 23.2R2, 23.4R1