The recv_and_process_client_pkt function in networking/ntpd.c in busybox allows remote attackers to cause a denial of service (CPU and bandwidth consumption) via a forged NTP packet, which triggers a communication loop.Referenceshttp://www.openwall.com/lists/oss-security/2016/08/03/7https://bugzilla.redhat.com/show_bug.cgi?id=1363710http://www.securityfocus.com/bid/92277https://security.gentoo.org/glsa/201701-05https://git.busybox.net/busybox/commit/?id=150dc7a2b483b8338a3e185c478b4b23ee884e71http://seclists.org/fulldisclosure/2019/Jun/18https://seclists.org/bugtraq/2019/Jun/14http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.htmlhttp://seclists.org/fulldisclosure/2019/Sep/7https://seclists.org/bugtraq/2019/Sep/7http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.htmlhttp://seclists.org/fulldisclosure/2020/Mar/15http://seclists.org/fulldisclosure/2020/Aug/20