Synopsis: SMS handling OpenSER remote code executing Product: OpenSER Version: <=1.1.0 Issue: ====== A critical security vulnerability has been found in OpenSER SMS handling module. The vulnerable function should read the SMS from the SIM-memory. Details: ======== int fetchsms(struct modem *mdm, int sim, char* pdu) The usage of this fuction might lead to memory corruption conditions. Due to memory corruption conditions remote code execution is possible. It happens when "beginning" is copied to functions argument PDU (char*). Affected Versions ================= OpenSER <= 1.1.0 Solution ========= Proper boundary checking. Exploitation ============ Exploitation might be conducted by preparing a specially crafted SMS message.
