Denial of service in Junos OS iked

1) Improper Check for Unusual or Exceptional Conditions

EUVDB-ID: #VU94189

Risk: Medium

CVSSv4.0: [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/E:U/U:Green]

CVE-ID: CVE-2024-39545

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper error handling in the the IKE daemon (iked). A remote attacker on the local network can send specially crafted packets to the device and perform a denial of service (DoS) attack.

Note, the vulnerability affects SRX Series, MX Series with SPC3 and NFX350 devices.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Juniper Junos OS: 21.2R1-S1 - 23.2R1-S2

CPE2.3

• cpe:2.3:o:juniper_networks:juniper_junos_os:21.2R3-S7:*:*:*:*:*:*:*
• cpe:2.3:o:juniper_networks:juniper_junos_os:21.4R3-S6:*:*:*:*:*:*:*
• cpe:2.3:o:juniper_networks:juniper_junos_os:22.1R2:*:*:*:*:*:*:*
• cpe:2.3:o:juniper_networks:juniper_junos_os:22.2R2:*:*:*:*:*:*:*
• cpe:2.3:o:juniper_networks:juniper_junos_os:22.3R2:*:*:*:*:*:*:*
• cpe:2.3:o:juniper_networks:juniper_junos_os:22.4R1:*:*:*:*:*:*:*
• cpe:2.3:o:juniper_networks:juniper_junos_os:23.2R1-S2:*:*:*:*:*:*:*

External links

http://supportportal.juniper.net/JSA83007

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.