BID:5445

Macromedia Flash Malformed SWF Denial Of Service Vulnerability

Info

Macromedia Flash Malformed SWF Denial Of Service Vulnerability

Bugtraq ID:	5445
Class:	Failure to Handle Exceptional Conditions
CVE:
Remote:	Yes
Local:	No
Published:	Aug 12 2002 12:00AM
Updated:	Aug 12 2002 12:00AM
Credit:	Discovery of this issue is credited to Carlos Laviola <[email protected]>.
Vulnerable:	Macromedia Flash 6.0.47 .0 Macromedia Flash 6.0.40 .0 Macromedia Flash 6.0.29 .0 Macromedia Flash 6.0 + Microsoft Internet Explorer 5.0.1 SP2 + Microsoft Internet Explorer 5.0.1 SP2 + Microsoft Internet Explorer 5.0.1 SP1 + Microsoft Internet Explorer 5.0.1 SP1 + Microsoft Internet Explorer 5.0.1 + Microsoft Internet Explorer 5.0.1 + Microsoft Internet Explorer 6.0 + Microsoft Internet Explorer 6.0 + Microsoft Internet Explorer 5.5 SP2 + Microsoft Internet Explorer 5.5 SP2 + Microsoft Internet Explorer 5.5 SP1 + Microsoft Internet Explorer 5.5 SP1 + Microsoft Internet Explorer 5.5 preview + Microsoft Internet Explorer 5.5 preview + Microsoft Internet Explorer 5.5 + Microsoft Internet Explorer 5.5 + Microsoft Internet Explorer 5.0 + Microsoft Internet Explorer 5.0 + Microsoft Windows XP Embedded SP3 + Microsoft Windows XP Embedded SP2 + Microsoft Windows XP Home SP3 + Microsoft Windows XP Home SP2 + Microsoft Windows XP Media Center Edition SP3 + Microsoft Windows XP Media Center Edition SP2 + Microsoft Windows XP Professional SP3 + Microsoft Windows XP Professional SP2 + Microsoft Windows XP Professional x64 Edition SP2 + Microsoft Windows XP Tablet PC Edition SP3 + Microsoft Windows XP Tablet PC Edition SP2 + Netscape Communicator 6.1 + Netscape Communicator 6.1 + Netscape Communicator 4.78 + Netscape Communicator 4.78 + Netscape Communicator 4.77 + Netscape Communicator 4.77 + Netscape Communicator 4.76 + Netscape Communicator 4.76 + Netscape Communicator 4.75 + Netscape Communicator 4.75 + Netscape Communicator 4.74 + Netscape Communicator 4.74 + Netscape Communicator 4.73 + Netscape Communicator 4.73 + Netscape Communicator 4.72 + Netscape Communicator 4.72 + Netscape Communicator 4.61 + Netscape Communicator 4.61 + Netscape Communicator 4.51 + Netscape Communicator 4.51 + Netscape Communicator 4.7 + Netscape Communicator 4.7 + Netscape Communicator 4.6 + Netscape Communicator 4.6 + Redhat netscape-common-4.76-11.i386.rpm + Redhat netscape-common-4.78-2.i386.rpm + Redhat netscape-common-4.79-1.i386.rpm + Redhat netscape-communicator-4.76-11.i386.rpm + Redhat netscape-communicator-4.78-2.i386.rpm + Redhat netscape-communicator-4.79-1.i386.rpm + Redhat netscape-navigator-4.76-11.i386.rpm + Redhat netscape-navigator-4.78-2.i386.rpm + Redhat netscape-navigator-4.79-1.i386.rpm Macromedia Flash 5.0 r50 Macromedia Flash 5.0 - Microsoft Windows 2000 Advanced Server SP2 - Microsoft Windows 2000 Advanced Server SP1 - Microsoft Windows 2000 Advanced Server - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows 2000 Server SP2 - Microsoft Windows 2000 Server SP1 - Microsoft Windows 2000 Server - Microsoft Windows 95 SR2 - Microsoft Windows 95 - Microsoft Windows 98 - Microsoft Windows 98SE - Microsoft Windows ME - Microsoft Windows NT Enterprise Server 4.0 SP6a - Microsoft Windows NT Enterprise Server 4.0 SP6 - Microsoft Windows NT Enterprise Server 4.0 SP5 - Microsoft Windows NT Enterprise Server 4.0 SP4 - Microsoft Windows NT Enterprise Server 4.0 SP3 - Microsoft Windows NT Enterprise Server 4.0 SP2 - Microsoft Windows NT Enterprise Server 4.0 SP1 - Microsoft Windows NT Enterprise Server 4.0 - Microsoft Windows NT Server 4.0 SP6a - Microsoft Windows NT Server 4.0 SP6 - Microsoft Windows NT Server 4.0 SP5 - Microsoft Windows NT Server 4.0 SP4 - Microsoft Windows NT Server 4.0 SP3 - Microsoft Windows NT Server 4.0 SP2 - Microsoft Windows NT Server 4.0 SP1 - Microsoft Windows NT Server 4.0 - Microsoft Windows NT Workstation 4.0 SP6a - Microsoft Windows NT Workstation 4.0 SP6 - Microsoft Windows NT Workstation 4.0 SP5 - Microsoft Windows NT Workstation 4.0 SP4 - Microsoft Windows NT Workstation 4.0 SP3 - Microsoft Windows NT Workstation 4.0 SP2 - Microsoft Windows NT Workstation 4.0 SP1 - Microsoft Windows NT Workstation 4.0 - Microsoft Windows XP Home - Microsoft Windows XP Professional Macromedia Flash 4.0 r12

Not Vulnerable:

Discussion

Macromedia Flash Malformed SWF Denial Of Service Vulnerability

Macromedia Flash Player is prone to a denial of service condition when attempting to handle Flash Shockwave (.SWF) movie files with a malformed body. It has been reported that to reproduce this condition, the header data in the .SWF file must be intact.

The Macromedia Flash plug-in is included in a number of web browsers. Successful exploitation will cause the browser to crash.

Exploit / POC

Macromedia Flash Malformed SWF Denial Of Service Vulnerability

A proof-of-concept can be found at the following location:

http://alternex.com.br/~claviola/sample1.swf (unmodified movie file)
http://alternex.com.br/~claviola/sample2.swf (modified proof-of-concept movie file)

Solution / Fix

Macromedia Flash Malformed SWF Denial Of Service Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.

References

Macromedia Flash Malformed SWF Denial Of Service Vulnerability

References:

Macromedia Homepage (Macromedia)