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Apache UserDir Directive Username Enumeration |
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| This script is Copyright (C) 2005-2010 Tenable Network Security, Inc. |
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| Family | Web Servers |
| Nessus Plugin ID | 10766 (apache_username.nasl) |
| Bugtraq ID | 3335
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| CVE ID | CVE-2001-1013
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| Description: |
Synopsis :
The remote Apache server can be used to guess the presence of a given
user name on the remote host.
Description :
When configured with the 'UserDir' option, requests to URLs containing
a tilde followed by a username will redirect the user to a given
subdirectory in the user home.
For instance, by default, requesting /~root/ displays the HTML
contents from /root/public_html/.
If the username requested does not exist, then Apache will reply with
a different error code. Therefore, an attacker may exploit this
vulnerability to guess the presence of a given user name on the remote
host.
Solution :
In httpd.conf, set the 'UserDir' to 'disabled'.
Risk factor :
Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N)
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