Missing release of memory after effective lifetime in Junos OS and Junos OS Evolved - CVE-2024-21611
Published: January 11, 2024
Vulnerability identifier: #VU85300
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-21611
CWE-ID: CWE-401
Exploitation vector: Remote access
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 in the Routing Protocol Daemon (rpd). A remote non-authenticated attacker can cause a Denial of Service (DoS).
In a Juniper Flow Monitoring (jflow) scenario route churn that causes BGP next hops to be updated will cause a slow memory leak and eventually a crash and restart of rpd.
Affected software
Junos OS
Junos OS Evolved
Junos OS Evolved
How to mitigate CVE-2024-21611
Install updates from vendor's website.
Junos OS - addressed in versions 21.4R3, 22.1R3, 22.2R3, 22.3R1
Junos OS Evolved - addressed in versions 21.4R3-EVO, 22.1R3-EVO, 22.2R3-EVO, 22.3R1-EVO
Junos OS Evolved - addressed in versions 21.4R3-EVO, 22.1R3-EVO, 22.2R3-EVO, 22.3R1-EVO