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Secunia Advisory:	SA26942
Release Date:	2007-09-27
Critical:	Moderately critical
Impact:	DoS System access
Where:	From remote
Solution Status:	Vendor Patch
Software:	Tcl/Tk 8.x

:
A vulnerability has been reported in Tk, which can potentially be exploited by malicious people to compromise an application using the library.

The vulnerability is caused due to a boundary error within the "ReadImage()" function in generic/tkImgGIF.c. This can be exploited to cause a buffer overflow via interlaced GIF files containing multiple smaller frames following the first frame.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is reported in versions prior to 8.4.16.
Solution:
Update to version 8.4.16.
http://www.tcl.tk/software/tcltk/downloadnow84.tml

Provided and/or discovered by:
Reported by the vendor.

Original Advisory:
http://sourceforge.net/project/shownotes.php?release_id=541207

資料來源 Secunia