NULL Pointer Dereference Vulnerability in PHP COM Extension

CVE-2018-19395 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:N/A:P

ext/standard/var.c in PHP 5.x through 7.1.24 on Windows allows attackers to cause a denial of service (NULL pointer dereference and application crash) because com and com_safearray_proxy return NULL in com_properties_get in ext/com_dotnet/com_handlers.c, as demonstrated by a serialize call on COM("WScript.Shell").

Learn more about our Web Application Penetration Testing UK.