CVE-2021-42382

Un uso de memoria previamente liberada en el applet awk de Busybox conduce a la denegación de servicio y posiblemente a una ejecución de código cuando es procesado un patrón awk diseñado en la función getvar_s

It was discovered that BusyBox incorrectly handled certain malformed gzip archives. If a user or automated system were tricked into processing a specially crafted gzip archive, a remote attacker could use this issue to cause BusyBox to crash, resulting in a denial of service, or possibly execute arbitrary code. It was discovered that BusyBox incorrectly handled certain malformed LZMA archives. If a user or automated system were tricked into processing a specially crafted LZMA archive, a remote attacker could use this issue to cause BusyBox to crash, resulting in a denial of service, or possibly leak sensitive information. Various other issues were also addressed.