Integer overflow in the DHCP client (udhcpc) in BusyBox before 1.25.0 allows remote attackers to cause a denial of service (crash) via a malformed RFC1035-encoded domain name, which triggers an out-of-bounds heap write.Referenceshttps://git.busybox.net/busybox/commit/?id=d474ffc68290e0a83651c4432eeabfa62cd51e87http://www.openwall.com/lists/oss-security/2016/03/11/16https://security.gentoo.org/glsa/201612-04https://lists.debian.org/debian-lts-announce/2018/07/msg00037.htmlhttps://busybox.net/news.htmlhttps://usn.ubuntu.com/3935-1/http://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/Aug/20https://lists.debian.org/debian-lts-announce/2021/02/msg00020.html
