CVE-2024-21602

published 2024-01-12

CVE-2024-21602: A NULL Pointer Dereference vulnerability in Juniper Networks Junos OS Evolved on ACX7024, ACX7100-32C and ACX7100-48L allows an unauthenticated, network-based…

Priority P3 43 high 7.5 CVSS 3.1

AV N AC L PR N UI N S U C N I N A H

A NULL Pointer Dereference vulnerability in Juniper Networks Junos OS Evolved on ACX7024, ACX7100-32C and ACX7100-48L allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).

If a specific IPv4 UDP packet is received and sent to the Routing Engine (RE) packetio crashes and restarts which causes a momentary traffic interruption. Continued receipt of such packets will lead to a sustained DoS.

This issue does not happen with IPv6 packets.

This issue affects Juniper Networks Junos OS Evolved on ACX7024, ACX7100-32C and ACX7100-48L:

* 21.4-EVO versions earlier than 21.4R3-S6-EVO;
* 22.1-EVO versions earlier than 22.1R3-S5-EVO;
* 22.2-EVO versions earlier than 22.2R2-S1-EVO, 22.2R3-EVO;
* 22.3-EVO versions earlier than 22.3R2-EVO.

This issue does not affect Juniper Networks Junos OS Evolved versions earlier than 21.4R1-EVO.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
juniper	junos_os	—	—
juniper	junos_os_evolved	—	—
juniper	junos_os_evolved	—	—
juniper	junos_os_evolved	—	—
juniper	junos_os_evolved	—	—
juniper_networks	junos_os_evolved	>= 21.4-EVO < 21.4R3-S6-EVO	21.4R3-S6-EVO
juniper_networks	junos_os_evolved	>= 22.1-EVO < 22.1R3-S5-EVO	22.1R3-S5-EVO
juniper_networks	junos_os_evolved	>= 22.2-EVO < 22.2R2-S1-EVO, 22.2R3-EVO	22.2R2-S1-EVO, 22.2R3-EVO
juniper_networks	junos_os_evolved	>= 22.3-EVO < 22.3R2-EVO	22.3R2-EVO

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