Stack-Based Buffer Overflow in MyMP3Player by Steinberg
CVE-2010-20123

8.4HIGH

Key Information:

Vendor

Steinberg

Status
Mymp3player
Vendor
CVE Published:
21 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2010-20123?

Steinberg MyMP3Player version 3.0 (build 3.0.0.67) contains a critical vulnerability that results in a stack-based buffer overflow when processing .m3u playlist files. The application inadequately verifies the length of input data, allowing an attacker to craft a malicious .m3u file that, when opened by the user, can overwrite essential memory structures. This weakness can lead to the execution of arbitrary code, posing serious security risks to users.

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Affected Version(s)

MyMP3Player * <= 3.0.0.67

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-2010-20123 - Proof of Concept

CVE-2010-20123 - Proof of Concept

CVE-2010-20123 - Proof of Concept

References

https://www.exploit-db.com/exploits/11791
exploit
https://www.exploit-db.com/exploits/16633
exploit
https://www.exploit-db.com/exploits/14581
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

n3w7u
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