CVE-2013-5656

7.8 HIGH

📋 TL;DR

CVE-2013-5656 is a local buffer overflow vulnerability in FuzeZip 1.0.0.131625 that allows attackers to execute arbitrary code by exploiting improper bounds checking. This affects users running the vulnerable version of FuzeZip on their systems. Successful exploitation could lead to complete system compromise.

💻 Affected Systems

Products:
  • FuzeZip
Versions: 1.0.0.131625
Operating Systems: Windows
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects the specific version 1.0.0.131625 of FuzeZip on Windows systems.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise with attacker gaining full control, data theft, and persistent backdoor installation.

🟠

Likely Case

Local privilege escalation leading to unauthorized access to sensitive files and system resources.

🟢

If Mitigated

Limited impact with proper application sandboxing and user privilege restrictions in place.

🌐 Internet-Facing: LOW - This is a local vulnerability requiring user interaction or local access.
🏢 Internal Only: MEDIUM - Internal users could exploit this for privilege escalation within the network.

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: CONFIRMED
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploit code is publicly available in exploit databases and security advisories.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Later versions after 1.0.0.131625

Vendor Advisory: http://realpentesting.blogspot.com.es/p/advisories.html

Restart Required: Yes

Instructions:

1. Uninstall FuzeZip 1.0.0.131625. 2. Download and install the latest version from official sources. 3. Restart the system to ensure complete removal of vulnerable components.

🔧 Temporary Workarounds

Remove vulnerable software

windows

Uninstall FuzeZip 1.0.0.131625 completely from the system

Control Panel > Programs > Uninstall a program > Select FuzeZip > Uninstall

Restrict user privileges

windows

Run FuzeZip with limited user privileges to reduce impact

🧯 If You Can't Patch

  • Discontinue use of FuzeZip and switch to alternative archiving software
  • Implement application whitelisting to prevent execution of FuzeZip

🔍 How to Verify

Check if Vulnerable:

Check FuzeZip version in Help > About or Programs and Features in Control Panel

Check Version:

wmic product where name="FuzeZip" get version

Verify Fix Applied:

Verify FuzeZip is uninstalled or version is updated to a later release

📡 Detection & Monitoring

Log Indicators:

  • Application crashes of FuzeZip
  • Unusual process creation from FuzeZip

Network Indicators:

  • No network indicators - local vulnerability only

SIEM Query:

EventID=1000 AND SourceName="FuzeZip" OR ProcessName="FuzeZip.exe" AND CommandLine contains suspicious patterns

🔗 References

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