Stack-based Buffer Overflow in yTree Application by yTree
CVE-2016-20038

8.6HIGH

Key Information:

Vendor

Werner

Status
Ytree
Vendor
CVE Published:
28 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2016-20038?

The yTree application version 1.94-1.1 suffers from a stack-based buffer overflow vulnerability. This flaw allows local attackers to execute arbitrary code by providing an excessively long command-line argument. Such an argument can be crafted to include shellcode and manipulate the stack's return address, allowing the attacker to overwrite the stack and execute commands within the application's context, posing a significant security risk.

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Affected Version(s)

yTree 1.94-1.1

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-2016-20038 - Proof of Concept

References

https://www.exploit-db.com/exploits/39406
exploit
http://www.han.de/~werner/ytree.html
product
https://www.vulncheck.com/advisories/ytree-stack-based-bu...
third-party-advisory

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Juan Sacco - http://www.exploitpack.com -jsacco@exploitpack.com
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