On Mon, 15 Jan 2001 18:10:10 +0200
Georgi Guninski <[EMAIL PROTECTED]> wrote:
> There is a security vulnerability in Windows Media Player 7
> exploitable thru IE and java which allows reading local files and
> browsing directories which in turn allows executing arbitratrary
> programs. This may lead to taking full control over user's computer.
> <APPLET CODEBASE="file://c:/" ARCHIVE="Program files/Windows Media
>Player/SKINS/wmp2.wmz"
> CODE="gjavacodebase.class" WIDTH=700 HEIGHT=300>
I think it does not allow execution of arbitrary programs.
My understanding is that Java applet launched with file: codebase will
be executed under the sandbox security restrictions. So this
vulnerability allows only reading of local files but not writing to
files nor executing external programs.
http://java.sun.com/sfaq/#diff
| What is the difference between applets loaded over the net and applets
| loaded via the file system?
| :
| Java-enabled browsers use the applet class loader to load applets
| specified with file: URLs. So, the restrictions and protections that
| accrue from the class loader and its associated security manager are
| now in effect for applets loaded via file: URLs.
--
Hiromitsu Takagi
Electrotechnical Laboratory
http://www.etl.go.jp/~takagi/