Denial of service in Junos OS Evolved aftmand

1) Resource exhaustion

EUVDB-ID: #VU94187

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-2024-39548

CWE-ID: CWE-400 - Resource exhaustion

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 uncontrolled resource consumption error in the aftmand process when handling IPv4 and IPv6 packets. A remote non-authenticated attacker on the local network can consume memory resources and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Junos OS Evolved: 21.2-EVO - 23.2R1-EVO

CPE2.3

• cpe:2.3:o:juniper_networks:junos_os_evolved:21.2R3-S7-EVO:*:*:*:*:*:*:
• cpe:2.3:o:juniper_networks:junos_os_evolved:21.3R3-S4-EVO:*:*:*:*:*:*:
• cpe:2.3:o:juniper_networks:junos_os_evolved:21.4R3-S4-EVO:*:*:*:*:*:*:
• cpe:2.3:o:juniper_networks:junos_os_evolved:22.1R3-S3-EVO:*:*:*:*:*:*:
• cpe:2.3:o:juniper_networks:junos_os_evolved:22.2R3-S3-EVO:*:*:*:*:*:*:
• cpe:2.3:o:juniper_networks:junos_os_evolved:22.3R3-S2-EVO:*:*:*:*:*:*:
• cpe:2.3:o:juniper_networks:junos_os_evolved:22.4R2-S1-EVO:*:*:*:*:*:*:
• cpe:2.3:o:juniper_networks:junos_os_evolved:23.2R1-EVO:*:*:*:*:*:*:

External links

http://supportportal.juniper.net/JSA83010

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.