Missing release of memory after effective lifetime in Junos OS Evolved and Juniper Junos OS

Published: 2024-01-12

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2024-21613
CWE-ID	CWE-401
Exploitation vector	Local network
Public exploit	N/A
Vulnerable software Subscribe	Junos OS Evolved Operating systems & Components / Operating system Juniper Junos OS Operating systems & Components / Operating system
Vendor	Juniper Networks, Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Missing release of memory after effective lifetime

EUVDB-ID: #VU85339

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-21613

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

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 Routing Protocol Daemon (RPD). A remote non-authenticated attacker can cause an rpd crash, leading to Denial of Service (DoS).

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Junos OS Evolved: 21.3-EVO - 22.2R2-S2-EVO

Juniper Junos OS: 21.2R1 - 22.3R1-S2

External links

http://supportportal.juniper.net/s/article/2024-01-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-A-link-flap-causes-patroot-memory-leak-which-leads-to-rpd-crash-CVE-2024-21613

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.