KF Web Server NULL byte character could allow an attacker to view directory contents
| kfwebserver-null-view-dir (9500) |  Medium Risk |
Description:
KF (KeyFocus) Web Server could allow a remote attacker to obtain sensitive information. A remote attacker could append a hexadecimal URL encoded NULL byte character (%00) to a directory name in a URL request to cause the Web server to show all files within that directory.
Platforms Affected:
- Key Focus, KF Web Server 1.0.2
Remedy:
Upgrade to the latest version of KF Web Server (1.0.3 or later), available from the KF Web Server Web page. See References.
Consequences:
Obtain Information
References:
- KF Web Server Web site, KeyFocus - KF Web Server - High performance HTTP Server at http://www.keyfocus.net/kfws/.
- VulnWatch Mailing List, Sun Jul 07 2002 - 14:42:47 CDT, KF Web Server version 1.0.2 shows file and directory content at http://archives.neohapsis.com/archives/vulnwatch/2002-q3/0007.html.
- BID-5177: Key Focus KF Web Server Directory Contents Disclosure Vulnerability
- CVE-2002-1031: KeyFocus (KF) web server 1.0.2 allows remote attackers to list directories and read restricted files via an HTTP request containing a %00 (null) character.
Reported:
Jul 07, 2002
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