CVE-2012-10041: Command Injection

Description

WAN Emulator v2.3 contains two unauthenticated command execution vulnerabilities. The result.php script calls shell_exec() with unsanitized input from the pc POST parameter, allowing remote attackers to execute arbitrary commands as the www-data user. The system also includes a SUID-root binary named dosu, which is vulnerable to command injection via its first argument. An attacker can exploit both flaws in sequence to achieve full remote code execution and escalate privileges to root.

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Weakness Type (CWE)

CWE-78 OS Command Injection

References

Other References

https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/http/wanem_exec.rb https://sourceforge.net/projects/wanem/ https://www.exploit-db.com/exploits/21190 https://www.vulncheck.com/advisories/wan-emulator-command-execution https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/http/wanem_exec.rb https://www.exploit-db.com/exploits/21190

Frequently Asked Questions

What is CVE-2012-10041? +

WAN Emulator v2.3 contains two unauthenticated command execution vulnerabilities. The result.php script calls shell_exec() with unsanitized input from the pc POST parameter, allowing remote attackers to execute arbitrary commands as the www-data user. The system also includes a SUID-root binary named dosu, which is vulnerable to command injection via its first argument. An attacker can exploit both flaws in sequence to achieve full remote code execution and escalate privileges to root.

How do I check if I'm vulnerable to CVE-2012-10041? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2012-10041