Juniper Junos OS: 2023-01 Security Bulletin: Junos OS: MX Series and SRX Series: The flow processing daemon (flowd) will crash when a specific H.323 packet is received (JSA70211) (CVE-2023-22415)

Juniper Junos OS: 2023-01 Security Bulletin: Junos OS: MX Series and SRX Series: The flow processing daemon (flowd) will crash when a specific H.323 packet is received (JSA70211) (CVE-2023-22415)

Severity

5

CVSS

(AV:N/AC:L/Au:N/C:N/I:N/A:P)

Published

01/13/2023

Created

03/23/2023

Added

03/22/2023

Modified

12/06/2023

Description

An Out-of-Bounds Write vulnerability in the H.323 ALG of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause Denial of Service (DoS). On all MX Series and SRX Series platform, when H.323 ALG is enabled and specific H.323 packets are received simultaneously, a flow processing daemon (flowd) crash will occur. Continued receipt of these specific packets will cause a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS on MX Series and SRX Series All versions prior to 19.4R3-S10; 20.2 versions prior to 20.2R3-S6; 20.3 versions prior to 20.3R3-S6; 20.4 versions prior to 20.4R3-S5; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S3; 21.3 versions prior to 21.3R3-S3; 21.4 versions prior to 21.4R3; 22.1 versions prior to 22.1R2-S1, 22.1R3; 22.2 versions prior to 22.2R1-S2, 22.2R2.

Solution(s)

• juniper-junos-os-upgrade-latest

References

• https://attackerkb.com/topics/cve-2023-22415
• CVE - 2023-22415
• JSA70211