LiteSpeed Web Server Source Code Information Disclosure

This script is Copyright (C) 2010-2012 Tenable Network Security, Inc.


Synopsis :

The remote web server is affected by a source code disclosure
vulnerability.

Description :

The installed version of the LiteSpeed web server software on the
remote host returns the source of scripts hosted on it when a NULL
byte and '.txt' is appended to the request URL.

A remote attacker may be able to leverage this issue to view a file on
the web server's source code and possibly obtain passwords and other
sensitive information from this host.

See also :

http://archives.neohapsis.com/archives/fulldisclosure/2010-06/0280.html
http://www.litespeedtech.com/litespeed-web-server-release-log.html

Solution :

Upgrade to LiteSpeed version 4.0.15 or later.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N)
CVSS Temporal Score : 4.1
(CVSS2#E:F/RL:OF/RC:C)
Public Exploit Available : true

Family: Web Servers

Nessus Plugin ID: 48246 (litespeed_poison_null_byte.nasl)

Bugtraq ID: 40815

CVE ID: CVE-2010-2333