CVE-2021-31871

Se detectó un problema en klibc versiones anteriores a 2.0.9. Un desbordamiento de enteros en el comando cpio puede resultar en una desreferencia del puntero NULL en sistemas de 64 bits.

It was discovered that klibc did not properly perform some mathematical operations, leading to an integer overflow. An attacker could possibly use this issue to cause a crash, resulting in a denial of service, or possibly execute arbitrary code. It was discovered that klibc did not properly handled some memory allocations on 64 bit systems. An attacker could possibly use this issue to cause a crash, resulting in a denial of service, or possibly execute arbitrary code.