CVE DatabaseCVE-2014-0496
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Adobe Reader and Acrobat Use-After-Free Remote Code Execution Vulnerability (CVE-2014-0496) Technical Advisory

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Affected Vendors
adobe
Affected Components
reader, acrobat
Published Date
2014-01-15
CVSS v3.1
8.8
HIGH
EPSS (30d)
40.0%
FIRST.org
CISA KEV
Exploited

Executive & SecOps Summary

SECOPS ASSESSMENT
Affected Scope

Adobe Reader and Acrobat 10.x before 10.1.9 and 11.x before 11.0.06 on Windows and Mac OS X

Impact

Successful exploitation allows remote attackers to execute arbitrary code and gain full control of the target system via crafted PDF files

Mitigation

Immediately upgrade Adobe Reader and Acrobat to version 10.1.9, 11.0.06, or later to mitigate the vulnerability

Affected Products & Version Scope

Adobe Reader and Acrobat 10.x before 10.1.9 and 11.x before 11.0.06 on Windows and Mac OS X operating systems

Remediation & Live Workaround Commands

PATCH & WORKAROUND

1. Official Patch & Version Upgrade Commands

Administrators must deploy the official security updates provided in Adobe Security Bulletin APSB14-01. Use the following commands to automate the deployment of the patch in enterprise environments.

powershell
# PowerShell script to silently apply the Adobe Reader MSP patch
$patchPath = 'C:\Patches\AcroReadUpd11006.msp'
if (Test-Path $patchPath) {
    Write-Host 'Applying Adobe Reader 11.0.06 Security Update...'
    Start-Process -FilePath 'msiexec.exe' -ArgumentList "/p `"$patchPath`" /qn /norestart" -Wait
    Write-Host 'Patch deployment completed.'
} else {
    Write-Error 'Patch file not found. Please download the MSP file from Adobe official repository.'
}

2. Temporary Workaround & Hardening Configuration

If immediate patching is not feasible, enforce Adobe's sandbox features (Protected Mode and Protected View) via Group Policy or Registry modifications to restrict the impact of potential exploitation.

registry
Windows Registry Editor Version 5.00

; Force Enable Protected Mode in Adobe Reader 11.0
[HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\11.0\Privileged]
'bProtectedMode'=dword:00000001

; Enable Protected View for all files from untrusted locations
[HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\11.0\TrustManager]
'iProtectedView'=dword:00000002

3. Log Audit & IoC Verification Commands

Run the following script to audit endpoints and identify vulnerable installations of Adobe Reader or Acrobat.

powershell
# Audit script to detect vulnerable Adobe Reader/Acrobat versions
$uninstallKeys = @(
    'HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\*',
    'HKLM:\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*'
)

Get-ItemProperty -Path $uninstallKeys -ErrorAction SilentlyContinue | 
    Where-Object { $_.DisplayName -like '*Adobe Reader*' -or $_.DisplayName -like '*Adobe Acrobat*' } | 
    Select-Object DisplayName, DisplayVersion | 
    ForEach-Object {
        $ver = $_.DisplayVersion
        if (($ver -like '10.*' -and [version]$ver -lt [version]'10.1.9') -or 
            ($ver -like '11.*' -and [version]$ver -lt [version]'11.0.06')) {
            Write-Host "[VULNERABLE] Found: $($_.DisplayName) (Version: $ver)" -ForegroundColor Red
        } else {
            Write-Host "[SECURE] Found: $($_.DisplayName) (Version: $ver)" -ForegroundColor Green
        }
    }
Interactive SecOps Remediation Checklist
0/4 (0%)
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Technical Root Cause & Exploitation Mechanics

1. Vulnerability Overview & Root Cause

This vulnerability (CVE-2014-0496) is a critical Use-After-Free (UAF) flaw in Adobe Reader and Acrobat. The root cause lies in the improper management of dynamic memory allocation. When the application deallocates a memory object but fails to clear the associated pointer, a 'dangling pointer' is created. If the application subsequently attempts to reference this pointer after the memory has been reallocated with new data, it leads to memory corruption and arbitrary code execution.

2. Exploitation Mechanics & Attack Scenario

An attacker exploits this vulnerability by constructing a malicious PDF document containing specifically crafted objects or scripts designed to trigger the premature release of a memory object. The victim is typically targeted via spear-phishing emails containing the malicious PDF attachment. Upon opening the document, the vulnerability is triggered, and the attacker utilizes heap spraying techniques to populate the freed memory space with shellcode. When the application attempts to call a virtual method on the freed object, control flow is hijacked and redirected to the attacker's payload.

3. Infrastructure & Business Impact

As a vulnerability listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, CVE-2014-0496 has been actively exploited in the wild. Successful exploitation compromises the confidentiality, integrity, and availability of the endpoint. Attackers can execute arbitrary commands with the privileges of the logged-in user, allowing them to establish a foothold in the corporate network, exfiltrate sensitive data, or deploy ransomware.

Official Vendor Advisories & References

Frequently Asked SecOps Questions (CVE-2014-0496)

FAQ

Q1. How critical is CVE-2014-0496 and is it actively exploited in the wild?

CVE-2014-0496 is rated CVSS 8.8 (HIGH) with a 30-day EPSS exploitation probability of 40.0%. It is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, requiring immediate emergency remediation.

Q2. Which vendors and products are affected by CVE-2014-0496?

Primary impacted vendors include adobe across reader, acrobat. Scope summary: Adobe Reader and Acrobat 10.x before 10.1.9 and 11.x before 11.0.06 on Windows and Mac OS X operating systems

Q3. What temporary mitigations or workarounds exist for CVE-2014-0496 before patching?

[Mitigation] Immediately upgrade Adobe Reader and Acrobat to version 10.1.9, 11.0.06, or later to mitigate the vulnerability Follow the CLI remediation commands and interactive SecOps checklist on this page to restrict exposure prior to your maintenance window.

SECOPS WORKBENCH INTEGRATION

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CVE-2014-0496 Adobe Reader and Acrobat Use-After-Free Remote Code Execution Vulnerability (CVE-2014-0496) Technical Advisory (CVSS 8.8) - Patch & Workaround | CVE Pulse