CVE-2023-1654 – This vulnerability in GPAC (Multimedia Framewor... (How to Fix)

Q: What is the severity of CVE-2023-1654?

CVE-2023-1654 has a CVSS score of 7.8 (HIGH). This vulnerability in GPAC (Multimedia Framework) allows remote attackers to cause a denial of service via resource exhaustion. It affects systems running GPAC versions prior to 2.4.0, particularly those processing untrusted media files. The vulnerability stems from improper resource management (CWE-400) that can be triggered through crafted input.

📋 TL;DR

This vulnerability in GPAC (Multimedia Framework) allows remote attackers to cause a denial of service via resource exhaustion. It affects systems running GPAC versions prior to 2.4.0, particularly those processing untrusted media files. The vulnerability stems from improper resource management (CWE-400) that can be triggered through crafted input.

💻 Affected Systems

Products:

GPAC (Multimedia Framework)

Versions: All versions prior to 2.4.0

Operating Systems: Linux, Windows, macOS, BSD variants

Default Config Vulnerable: ⚠️ Yes

Notes: Any application using GPAC libraries to parse media files is potentially vulnerable. Embedded systems and media servers are particularly at risk.

📦 What is this software?

Gpac by Gpac

View all CVEs affecting Gpac →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete service disruption of GPAC-dependent applications, potentially affecting media processing pipelines, streaming services, or embedded systems using GPAC libraries.

🟠

Likely Case

Application crashes or hangs when processing malicious media files, leading to temporary service unavailability.

🟢

If Mitigated

Limited impact with proper input validation and resource monitoring in place.

🌐 Internet-Facing: MEDIUM

🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

Exploitation requires feeding a specially crafted media file to the vulnerable GPAC instance. No authentication is needed if the service accepts external input.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.4.0

Vendor Advisory: https://github.com/gpac/gpac/commit/2c055153d401b8c49422971e3a0159869652d3da

Restart Required: Yes

Instructions:

1. Download GPAC 2.4.0 or later from the official repository. 2. Compile and install according to platform instructions. 3. Restart any services using GPAC libraries. 4. For package managers: Use 'apt update && apt upgrade gpac' on Debian/Ubuntu or equivalent on other distributions.

🔧 Temporary Workarounds

Input Validation and Sandboxing

linux

Implement strict input validation for media files and run GPAC in a sandboxed environment with resource limits.

ulimit -v 1000000
firejail --net=none --private=/tmp/gpac-sandbox gpac

🧯 If You Can't Patch

Implement network segmentation to isolate GPAC services from untrusted networks.
Deploy application-level firewalls or WAFs to filter and inspect media file uploads.

🔍 How to Verify

Check if Vulnerable:

Check GPAC version with 'gpac -version' or 'gpac -h' and compare against 2.4.0. Versions below 2.4.0 are vulnerable.

Check Version:

gpac -version 2>&1 | head -1

Verify Fix Applied:

After patching, confirm version is 2.4.0 or higher using 'gpac -version'. Test with known safe media files to ensure functionality.

📡 Detection & Monitoring

Log Indicators:

GPAC process crashes
Resource exhaustion warnings (memory/CPU)
Abnormal termination of media processing services

Network Indicators:

Unusual media file upload patterns
Repeated connection attempts to GPAC services

SIEM Query:

source="*gpac*" AND (event_type="crash" OR "segmentation fault" OR "out of memory")

📊 Metadata

CVE ID: CVE-2023-1654

CVSS v3 Score: 7.8 (HIGH)

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE: CWE-400

Published: March 27, 2023

Last Updated: November 21, 2024

🔗 References

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