busybox: Fix of 4 CVEs

CVE-2018-1000517: fix heap buffer overflow in wget chunked decoding - CVE-2017-16544: reject terminal control sequences in shell tab completion - CVE-2018-20679: reject zero-length DHCP options and validate 4-byte option lengths - CVE-2019-5747: validate DHCPSUBNET option length before decoding...

SUSE CVE-2019-5747

An issue was discovered in BusyBox through 1.30.0. An out of bounds read in udhcp components consumed by the DHCP client, server, and/or relay might allow a remote attacker to leak sensitive information from the stack by sending a crafted DHCP message. This is related to assurance of a 4-byte...

ALPINE-CVE-2019-5747

An issue was discovered in BusyBox through 1.30.0. An out of bounds read in udhcp components consumed by the DHCP client, server, and/or relay might allow a remote attacker to leak sensitive information from the stack by sending a crafted DHCP message. This is related to assurance of a 4-byte...

UBUNTU-CVE-2019-5747

An issue was discovered in BusyBox through 1.30.0. An out of bounds read in udhcp components consumed by the DHCP client, server, and/or relay might allow a remote attacker to leak sensitive information from the stack by sending a crafted DHCP message. This is related to assurance of a 4-byte...