22 lines
No EOL
802 B
Text
22 lines
No EOL
802 B
Text
1. ASMAX 804 gu router is a SOHO class device. It provides ADSL / WiFi / Ethernet interfaces.
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2. There is an *unauthenticated* maintenance script (named 'script') in /cgi-bin/ directory of the web management interface.
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3. When 'system' paramether is passed to the script it allows running OS shell commands (as root).
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4. PoC:
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GET request to:
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http://192.168.1.1/cgi-bin/script?system%20whoami
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Returns:
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root
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5. Using CSRF attack one could remotely own a router using for example simple <img> html tags pointing to http://192.168.1.1/...
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6. The issue was tested on firmware: 66.34.1
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7. The vendor was notified on 30.12.08, but we got no reasonable response till now (the bug remains unpatched).
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8. More information: http://www.securitum.pl/dh/asmax-ar-804-gu-compromise
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# milw0rm.com [2009-06-01] |