CVE-2018-1123

procps-ng en versiones anteriores a la 3.3.15 es vulnerable a una denegación de servicio (DoS) en ps mediante un desbordamiento de búfer en mmap. La protección incluida en ps mapea una página guard al final del búfer desbordado, asegurando que el impacto de este error se limita a un cierre inesperado (denegación de servicio temporal).

It was discovered that the procps-ng top utility incorrectly read its configuration file from the current working directory. A local attacker could possibly use this issue to escalate privileges. It was discovered that the procps-ng ps tool incorrectly handled memory. A local user could possibly use this issue to cause a denial of service. It was discovered that libprocps incorrectly handled the file2strvec function. A local attacker could possibly use this to execute arbitrary code. Various other issues were also addressed.