CVE-2024-21606

published 2024-01-12

CVE-2024-21606: A Double Free vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on SRX Series allows a network-based, unauthenticated attacker…

Priority P3 45 high 7.5 CVSS 3.1

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

A Double Free vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on SRX Series allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS).

In a remote access VPN scenario, if a "tcp-encap-profile" is configured and a sequence of specific packets is received, a flowd crash and restart will be observed.

This issue affects Juniper Networks Junos OS on SRX Series:

* All versions earlier than 20.4R3-S8;
* 21.2 versions earlier than 21.2R3-S6;
* 21.3 versions earlier than 21.3R3-S5;
* 21.4 versions earlier than 21.4R3-S5;
* 22.1 versions earlier than 22.1R3-S3;
* 22.2 versions earlier than 22.2R3-S3;
* 22.3 versions earlier than 22.3R3-S1;
* 22.4 versions earlier than 22.4R2-S2, 22.4R3.

Affected

19 ranges

Vendor	Product	Version range	Fixed in
juniper	junos	< 20.4	20.4
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos_os	—	—
juniper	srx_series	—	—
juniper_networks	junos_os	< 20.4R3-S8	20.4R3-S8
juniper_networks	junos_os	>= 21.2 < 21.2R3-S6	21.2R3-S6
juniper_networks	junos_os	>= 21.3 < 21.3R3-S5	21.3R3-S5
juniper_networks	junos_os	>= 21.4 < 21.4R3-S5	21.4R3-S5
juniper_networks	junos_os	>= 22.1 < 22.1R3-S3	22.1R3-S3
juniper_networks	junos_os	>= 22.2 < 22.2R3-S3	22.2R3-S3
juniper_networks	junos_os	>= 22.3 < 22.3R3-S1	22.3R3-S1
juniper_networks	junos_os	>= 22.4 < 22.4R2-S2, 22.4R3	22.4R2-S2, 22.4R3

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