CVE-2024-27793: Apple iTunes RCE Vulnerability

CVE-2024-27793 Overview

CVE-2024-27793 is a file parsing vulnerability in Apple iTunes for Windows. Parsing a maliciously crafted file may lead to unexpected application termination or arbitrary code execution in the context of the iTunes process. Apple addressed the issue with improved checks in iTunes 12.13.2 for Windows. The flaw is categorized under [CWE-94] Improper Control of Generation of Code (Code Injection) and requires local access with user interaction to exploit.

Critical Impact
Successful exploitation allows arbitrary code execution on Windows systems running vulnerable iTunes versions, with high impact on confidentiality, integrity, and availability.

Affected Products

Apple iTunes for Windows prior to version 12.13.2
Windows endpoints with iTunes installed for media library or device synchronization
Systems where users open or import iTunes-compatible media files

Discovery Timeline

2024-05-14 - CVE-2024-27793 published to the National Vulnerability Database (NVD)
2024-05-14 - Apple publishes security advisory HT214099 covering iTunes 12.13.2 for Windows
2026-04-02 - Last updated in NVD database

Technical Details for CVE-2024-27793

Vulnerability Analysis

The vulnerability resides in the file parsing routines of Apple iTunes for Windows. When iTunes processes a specially crafted file, insufficient validation of input data allows an attacker to trigger memory corruption or code injection conditions. The result is either an unexpected application termination (denial of service) or arbitrary code execution within the iTunes process. The CWE-94 classification indicates the parser fails to properly control how externally supplied content is interpreted as code or control data during processing.

Root Cause

Apple's advisory states the issue was addressed with improved checks, indicating the original code path lacked sufficient validation when parsing untrusted file content. The deficient input validation allowed malformed file structures to influence execution flow inside the parser. Without these checks, attacker-controlled bytes within the crafted file could corrupt program state or be processed as executable instructions.

Attack Vector

Exploitation requires local access and user interaction. An attacker must deliver a crafted file to the victim and convince them to open or import it using iTunes. Common delivery methods include phishing emails with malicious attachments, drive-by downloads, or files staged on removable media. Once the user opens the file in iTunes, the vulnerable parser processes the content and triggers the flaw. The attacker gains code execution under the privileges of the logged-on user running iTunes.

No public proof-of-concept code is available for CVE-2024-27793, and the vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog. Refer to the Apple security advisory HT214099 and the Full Disclosure mailing list post for additional context.

Detection Methods for CVE-2024-27793

Indicators of Compromise

Unexpected iTunes.exe process crashes recorded in Windows Application event logs with faulting module references
Child processes spawned by iTunes.exe such as cmd.exe, powershell.exe, or rundll32.exe indicating post-exploitation activity
Newly written executables or scripts in user-writable directories created shortly after iTunes file open events
Suspicious inbound media files delivered via email, web download, or removable media immediately preceding iTunes activity

Detection Strategies

Monitor endpoint telemetry for iTunes.exe spawning non-standard child processes, which is anomalous for a media player
Alert on Windows Error Reporting (WER) crash events naming iTunes modules, which may indicate exploitation attempts or instability
Inspect file open events targeting iTunes-handled extensions originating from email attachments or browser download folders
Correlate iTunes process activity with subsequent network connections to unknown external hosts

Monitoring Recommendations

Inventory all Windows endpoints with iTunes installed and identify versions below 12.13.2
Forward Sysmon process creation, image load, and file create events from systems running iTunes to a central SIEM
Track user-driven file opens for iTunes-associated MIME types across email and web gateways
Establish baseline behavior for iTunes.exe to detect deviations such as unusual memory regions or injected threads

How to Mitigate CVE-2024-27793

Immediate Actions Required

Update Apple iTunes for Windows to version 12.13.2 or later on all affected systems
Identify and prioritize endpoints where users routinely process media files from untrusted sources
Educate users to avoid opening unsolicited media files in iTunes, particularly those received via email or instant messaging
Remove iTunes from systems where it is no longer required for business functions

Patch Information

Apple released iTunes 12.13.2 for Windows to remediate CVE-2024-27793. The fix introduces improved input validation checks in the affected file parsing routines. Patch details and download links are available in the Apple support article HT214099 and the consolidated Apple security release notes.

Workarounds

Uninstall iTunes from Windows endpoints that do not require it, reducing the attack surface
Restrict file associations so that media files do not automatically open in iTunes from untrusted locations
Apply application allowlisting policies that constrain child process creation from iTunes.exe
Enforce least-privilege user accounts so successful exploitation does not yield administrative access

bash

# Query installed iTunes version on Windows endpoints via PowerShell
Get-ItemProperty HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\* |
  Where-Object { $_.DisplayName -like 'iTunes*' } |
  Select-Object DisplayName, DisplayVersion, Publisher