Patch

CVE-2023-24055

with vRx

Vulnerability Overview

CVE Name

CVE-2023-24055

Severity

5.5

Medium

CVE Description

KeePass through 2.53 (in a default installation) allows an attacker, who has write access to the XML configuration file, to obtain the cleartext passwords by adding an export trigger. NOTE: the vendor's position is that the password database is not intended...

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Latest Patch info

There is no patch available at the moment, but you can use our script.

Patch Name

https://sourceforge.net/p/keepass/discussion/329220/thread/a146e5cf6b/

Date

22.01.2023

Script

Script Type

Remediation script

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The following PowerShell script is a remediation script for CVE-2023-24055 - KeePass vulnerability that lead to the theft of the password database and this vulnerability is caused by a feature that allows exporting data to a file and sending it via a simple PowerShell command as explained in the analysis and to mitigate this bug by editing the Enforced Configuration needs to be configured to disable the default-enabled trigger feature to this attack.

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if (-not ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
    Write-Host "Please run this script as an administrator."
    Exit
}

$keepassExePath = "C:\Program Files\KeePass Password Safe 2\KeePass.exe"

if (Test-Path $keepassExePath) {
    
    $versionInfo = (Get-ItemProperty -Path $keepassExePath).VersionInfo
    $version = $versionInfo.FileVersion
    
    Write-Host "KeePass version: $version"
    
        if ([version]$version -le [version]"2.53") {
        
        $enforcedConfigFile = "C:\Program Files\KeePass Password Safe 2\KeePass.config.enforced.xml"

$configContent = @"
<?xml version="1.0" encoding="utf-8"?>
<Configuration xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
   <Application>
      <TriggerSystem>
         <Enabled>false</Enabled>
      </TriggerSystem>
   </Application>
</Configuration>
"@

$configContent | Out-File -FilePath $enforcedConfigFile -Encoding UTF8

Write-Host "Enforced configuration file has been updated successfully to mitigate the vulnerability (CVE-2023-240550)."
    } else {
        Write-Host "No need to mitigate. KeePass version is not vulnerable."
    }
} else {
    Write-Host "KeePass is not installed or could not be found."
}

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Affected OS & Apps

Keepass

4.8

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