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SecurityAlert : 3651 CVE : CVE-2008-0775 SecurityRisk : Low  (About) Remote Exploit : Yes Local Exploit : No Exploit Available : Yes Credit : enterth3dragon Published : 14.02.2008
Advisory Content : Simple Machines Forum "SMF Shoutbox" Mod 1.16b-1.14 Reference: http://custom.simplemachines.org/mods/index.php?mod=412 Bug:Persistent XSS SMF Shoutbox is a popular shoutbox mod for Simple Machines Forum.The content of a post variable used to hold the user shout is stored in the database and then displayed to the visitors without being properly filtered.So we can insert HTML or Javascript code in the database which is then displayed in the shoutbox (which is usually at the index page of the forum). Note:the content of this variable is also stored in an html file (sbox.history.html)residing in the main folder where SMF is installed so it is possible to insert and then execute php code under some server configurations. Vulnerable versions: 1.16b down to 1.14 Search Engines query: "powered by smf 1.1" "SMF Shoutbox" Vuln code -In sboxDB.php function missinghtmlentities() fails to sanitize input passed to the shoutbox form Exploit All we have to do is pass to the shoutbox form a string starting with '&#' and ending with ';' Most sites configuration doesnt enable guest visitors to post comments so you should create an account and login in order to exploit.SMF Shoutbox is usually in the index page of the forum so you could easily exploit this issue to collect Admins and user cookies,hijack sessions,etc Pass this string to the shoutbox &#<script>alert(String.fromCharCode(88,83,83))</script>; If successful every visitor of the page should see an alert saying 'XSS' Note: We can inject php code but the output file (sbox.history.html)has an .html extension so in order for the code to execute the server must be configured to parse .html files for php code which is not the default configuration.  Feedback : If you have additional information or notice any errors regarding this security advisory, please use contact form or email us at info()securityreason()com. |
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libc:fts_*() Multiple Denial of Service
The fts functions are provided for traversing UNIX file hierarchies... |
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