CVE-2024-39551

published 2024-07-11

CVE-2024-39551: An Uncontrolled Resource Consumption vulnerability in the H.323 ALG (Application Layer Gateway) of Juniper Networks Junos OS on SRX Series and MX Series with…

high 8.7 CVSS 4.0

AV N AC L AT N PR N UI N VC N VI N VA H SC N SI N SA L E X CR X IR X AR X MAV X MAC X MAT X MPR X MUI X MVC X MVI X MVA X MSC X MSI X MSA X S X AU X R X V X RE X U X

An Uncontrolled Resource Consumption vulnerability in the H.323 ALG (Application Layer Gateway) of Juniper Networks Junos OS on SRX Series and MX Series with SPC3 and MS-MPC/MIC, allows an unauthenticated network-based attacker to send specific packets causing traffic loss leading to Denial of Service (DoS).

Continued receipt and processing of these specific packets will sustain the Denial of Service condition.

The memory usage can be monitored using the below command.

user@host> show usp memory segment sha data objcache jsf
This issue affects SRX Series and MX Series with SPC3 and MS-MPC/MIC:

* 20.4 before 20.4R3-S10,
* 21.2 before 21.2R3-S6,
* 21.3 before 21.3R3-S5,
* 21.4 before 21.4R3-S6,
* 22.1 before 22.1R3-S4,
* 22.2 before 22.2R3-S2,
* 22.3 before 22.3R3-S1,
* 22.4 before 22.4R3,
* 23.2 before 23.2R2.

Affected

21 ranges

Vendor	Product	Version range	Fixed in
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos_os	—	—
juniper	mx_series	—	—
juniper	srx_series	—	—
juniper_networks	junos_os	>= 20.4 < 20.4R3-S10	20.4R3-S10
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-S6	21.4R3-S6
juniper_networks	junos_os	>= 22.1 < 22.1R3-S4	22.1R3-S4
juniper_networks	junos_os	>= 22.2 < 22.2R3-S2	22.2R3-S2
juniper_networks	junos_os	>= 22.3 < 22.3R3-S1	22.3R3-S1
juniper_networks	junos_os	>= 22.4 < 22.4R3	22.4R3
juniper_networks	junos_os	>= 23.2 < 23.2R2	23.2R2

CWE-400