Buffer Overflow Vulnerability in gAlan Audio Processing Software by gAlan
CVE-2009-20004

8.4HIGH

Key Information:

Vendor

Galan

Status
Galan
Vendor
CVE Published:
21 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2009-20004?

gAlan 0.2.1, a modular audio processing environment for Windows, is susceptible to a stack-based buffer overflow due to improper validation of input lengths when parsing .galan files. This vulnerability allows attackers to craft malicious files that could overwrite the stack, potentially enabling the execution of arbitrary code. Exploitation necessitates local interaction, usually compelling a user to open a crafted .galan file.

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Affected Version(s)

gAlan * <= 0.2.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2009-20004 - Proof of Concept

CVE-2009-20004 - Proof of Concept

CVE-2009-20004 - Proof of Concept

References

https://raw.githubusercontent.com/rapid7/metasploit-frame...
exploit
https://www.exploit-db.com/exploits/16664
exploit
https://www.exploit-db.com/exploits/10345
exploit

CVSS V4

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jeremy Brown
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