Stack-Based Buffer Overflow in Simple Web Server 2.2 rc2
CVE-2012-10053
Key Information:
- Vendor
Pmsoftware
- Status
- Vendor
- CVE Published:
- 8 August 2025
Badges
What is CVE-2012-10053?
Simple Web Server 2.2 rc2 contains a stack-based buffer overflow vulnerability resulting from improper handling of the Connection HTTP header. When a remote attacker sends a maliciously crafted long string in this header, the server processes it using vsprintf() without adequate bounds checking, which leads to a buffer overflow condition. This vulnerability allows attackers to execute arbitrary code on the server with the same privileges as the web server process, potentially compromising sensitive data and unauthorized access to the system. Importantly, this vulnerability can be exploited without requiring any form of authentication.
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Affected Version(s)
Simple Web Server 2.2 rc2
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.
References
EPSS Score
64% chance of being exploited in the next 30 days.
CVSS V4
Timeline
- 🟡
Public PoC available
- 👾
Exploit known to exist
Vulnerability published
Vulnerability Reserved