Zero-day Vulnerability Database

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Zero-day vulnerabilities discovered: 1

Directory traversal in nBill
CVE-2010-4270

Directory traversal

The vulnerability allows a remote attacker to view contents of arbitrary files on the server.

The vulnerability exists due to insufficient filtration of user-supplied input in "/administrator/components/com_nbill/admin.nbill.php" and "/components/com_nbill/nbill.php" scripts. A remote attacker can send specially crafted HTTP request, containing directory traversal sequences (e.g. тАЬ../тАЭ) and view contents of arbitrary file on vulnerable server.

Successful exploitation of the vulnerability may allow an attacker to gain unauthorized access to potentially sensitive information.

Note: this vulnerability is being actively exploited against Joomla! installations.


Software: nBill

Links:

http://www.nbill.co.uk/forum/index.php/topic,2158.0.html

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About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.