CVE-2025-31200 Overview
A memory corruption issue was addressed with improved bounds checking. This issue is fixed in tvOS 18.4.1, visionOS 2.4.1, iOS 18.4.1 and iPadOS 18.4.1, macOS Sequoia 15.4.1. Processing an audio stream in a maliciously crafted media file may result in code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on iOS.
Critical Impact
Memory corruption leading to potential remote code execution in Apple devices.
Affected Products
- apple macos
- apple tvos
- apple visionos
Discovery Timeline
- Not Available - Vulnerability discovered by Not Available
- Not Available - Responsible disclosure to apple
- Not Available - CVE CVE-2025-31200 assigned
- Not Available - apple releases security patch
- 2025-04-16 - CVE CVE-2025-31200 published to NVD
- 2025-11-04 - Last updated in NVD database
Technical Details for CVE-2025-31200
Vulnerability Analysis
The vulnerability is a result of improper bounds checking that leads to memory corruption when processing audio streams in specific Apple OS versions. This can be exploited by attackers to execute arbitrary code remotely.
Root Cause
The root cause lies in insufficient bounds checking of audio stream data which leads to out-of-bounds memory writes, a typical memory corruption pattern.
Attack Vector
The attack vector for this vulnerability is over the network, where an attacker could deliver a maliciously crafted media file to exploit the vulnerability.
// Simulated exploitation structure
void process_audio_stream(char *input) {
char buffer[256];
strcpy(buffer, input); // Lack of bounds checking
}
Detection Methods for CVE-2025-31200
Indicators of Compromise
- Unusual media file accesses
- Crash reports related to audio processing
- System instability when processing received media
Detection Strategies
Monitoring for anomalies in media file processing and unusual behavior within Apple's media frameworks could indicate exploitation attempts.
Monitoring Recommendations
Deploy extended logging for media processing applications and analyze crash logs for patterns relating to audio file manipulations.
How to Mitigate CVE-2025-31200
Immediate Actions Required
- Update to the latest OS versions: tvOS 18.4.1, visionOS 2.4.1, iOS 18.4.1, iPadOS 18.4.1, macOS 15.4.1
- Audit applications for large or unexpected media streams being processed
- Implement additional network filtering to detect anomalies
Patch Information
Apple has released patches that address this vulnerability in their latest OS versions, detailed at Apple Support.
Workarounds
Restrict execution of media files from untrusted sources and employ network-level defenses to filter potentially malicious content.
# Example of network firewall rule
echo 'Blocking malicious media delivery'
iptables -A INPUT -p tcp --dport 80 -m string --string "malicious_signature" --algo kmp -j DROP
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
