CVE-2012-10033: Command Injection

Description

Narcissus is vulnerable to remote code execution via improper input handling in its image configuration workflow. Specifically, the backend.php script fails to sanitize the release parameter before passing it to the configure_image() function. This function invokes PHP’s passthru() with the unsanitized input, allowing attackers to inject arbitrary system commands. Exploitation occurs via a crafted POST request, resulting in command execution under the web server’s context.

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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/unix/webapp/narcissus_backend_exec.rb https://web.archive.org/web/20101127002623/https://narcissus.angstrom-distribution.org/ https://www.exploit-db.com/exploits/22709 https://www.exploit-db.com/exploits/22856 https://www.vulncheck.com/advisories/narcissus-image-config-command-injection https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/unix/webapp/narcissus_backend_exec.rb https://www.exploit-db.com/exploits/22709 https://www.exploit-db.com/exploits/22856

Frequently Asked Questions

What is CVE-2012-10033? +

Narcissus is vulnerable to remote code execution via improper input handling in its image configuration workflow. Specifically, the backend.php script fails to sanitize the release parameter before passing it to the configure_image() function. This function invokes PHP’s passthru() with the unsanitized input, allowing attackers to inject arbitrary system commands. Exploitation occurs via a crafted POST request, resulting in command execution under the web server’s context.

How do I check if I'm vulnerable to CVE-2012-10033? +

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-2012-10033