CVE-2018-17825 – This CVE describes a double-free vulnerability ... (How to Fix)

Q: What is the severity of CVE-2018-17825?

CVE-2018-17825 has a CVSS score of 9.8 (CRITICAL). This CVE describes a double-free vulnerability in AdPlug 2.3.1's CEmuopl class that can lead to memory corruption. Attackers could exploit this to execute arbitrary code or cause denial of service. Any system using the vulnerable AdPlug library for audio file playback is affected.

📋 TL;DR

This CVE describes a double-free vulnerability in AdPlug 2.3.1's CEmuopl class that can lead to memory corruption. Attackers could exploit this to execute arbitrary code or cause denial of service. Any system using the vulnerable AdPlug library for audio file playback is affected.

💻 Affected Systems

Products:

AdPlug

Versions: 2.3.1 and possibly earlier versions

Operating Systems: Linux, Windows, macOS, BSD

Default Config Vulnerable: ⚠️ Yes

Notes: Any application using AdPlug library for audio playback (games, media players, etc.) is vulnerable

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution with SYSTEM/root privileges leading to complete system compromise

🟠

Likely Case

Application crash or denial of service when processing malicious audio files

🟢

If Mitigated

Application crash without privilege escalation if memory protections are enabled

🌐 Internet-Facing: MEDIUM - Requires processing malicious audio files, which could be delivered via web applications or email

🏢 Internal Only: LOW - Requires user interaction to open malicious audio files

🎯 Exploit Status

Public PoC: ⚠️ Yes

Weaponized: LIKELY

Unauthenticated Exploit: ⚠️ Yes

Complexity: MEDIUM

Exploitation requires crafting malicious audio files; proof-of-concept exists in GitHub issue

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.3.2 or later

Vendor Advisory: https://github.com/adplug/adplug/issues/67

Restart Required: Yes

Instructions:

1. Update AdPlug to version 2.3.2 or later. 2. Rebuild any applications using AdPlug. 3. Restart affected services.

🔧 Temporary Workarounds

Disable AdPlug processing

all

Temporarily disable AdPlug library usage in applications

# For Linux: Remove or rename libadplug.so
# For Windows: Remove adplug.dll from application directories

🧯 If You Can't Patch

Implement strict file upload validation to block potentially malicious audio files
Run applications with minimal privileges and memory protection features (ASLR, DEP)

🔍 How to Verify

Check if Vulnerable:

Check if AdPlug version 2.3.1 or earlier is installed: 'adplug-config --version' or check package manager

Check Version:

adplug-config --version || dpkg -l | grep adplug || rpm -qa | grep adplug

Verify Fix Applied:

Verify AdPlug version is 2.3.2 or later: 'adplug-config --version'

📡 Detection & Monitoring

Log Indicators:

Application crashes with memory access violations
Segmentation faults in audio processing components

Network Indicators:

Unusual audio file uploads to web applications
Suspicious file transfers with .adl, .amd, .bam, .cff, .cmf, .d00, .dfm, .dmo, .dro, .dtm, .hsc, .hsp, .imf, .ksm, .laa, .lds, .m, .mad, .mid, .mkj, .mtk, .rad, .raw, .rol, .s3m, .sa2, .sat, .sng, .xad, .xsm extensions

SIEM Query:

process_name:adplug AND (event_type:crash OR exit_code:139 OR exit_code:0xC0000005)

📊 Metadata

CVE ID: CVE-2018-17825

CVSS v3 Score: 9.8 (CRITICAL)

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

CWE: CWE-415

Published: October 1, 2018

Last Updated: November 21, 2024

🔗 References

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🔗 Related Vulnerabilities

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