viewrq.php in nweb2fax 0.2.7 and earlier allows remote attackers to execute arbitrary code via shell metacharacters in the var_filename parameter in a (1) tif or (2) pdf format action.
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
Link | Tags |
---|---|
https://www.exploit-db.com/exploits/5856 | exploit |
http://www.securityfocus.com/bid/29804 | vdb entry |
https://exchange.xforce.ibmcloud.com/vulnerabilities/43174 | vdb entry |