Critical severityNVD Advisory· Published Aug 8, 2025· Updated Apr 15, 2026
CVE-2012-10053
CVE-2012-10053
Description
Simple Web Server 2.2 rc2 contains a stack-based buffer overflow vulnerability in its handling of the Connection HTTP header. When a remote attacker sends an overly long string in this header, the server uses vsprintf() without proper bounds checking, leading to a buffer overflow on the stack. This flaw allows remote attackers to execute arbitrary code with the privileges of the web server process. The vulnerability is triggered before authentication.
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Affected products
1- Range: = 2.2 rc2
Patches
Vulnerability mechanics
References
6- ghostinthelab.wordpress.com/2012/07/19/simplewebserver-2-2-rc2-remote-buffer-overflow-exploit/nvd
- www.pmx.it/software/sws.aspnvd
- raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/http/sws_connection_bof.rbnvd
- www.exploit-db.com/exploits/19937nvd
- www.exploit-db.com/exploits/20028nvd
- www.vulncheck.com/advisories/simple-web-server-connection-header-buffer-overflownvd
News mentions
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