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VULNERABILITIES - November 5, 2005

by roddy32 / November 5, 2005 7:04 AM PST

TITLE:
Macromedia Flash Player SWF File Handling Arbitrary Code Execution

SECUNIA ADVISORY ID:
SA17430

VERIFY ADVISORY:
http://secunia.com/advisories/17430/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
From remote

SOFTWARE:
Macromedia Flash Player 7.x
http://secunia.com/product/2634/
Macromedia Flash Player 6.x
http://secunia.com/product/773/

DESCRIPTION:
eEye Digital Security has reported a vulnerability in Macromedia
Flash Player, which can be exploited by malicious people to
compromise a user's system.

The vulnerability is caused due to missing validation of the frame
type identifier that is read from a SWF file. This value is used as
an index in Flash.ocx to reference an array of function pointers.
This can be exploited via a specially crafted SWF file to cause the
index to reference memory that are under the attackers control, which
causes Flash Player to use attacker supplied values as function
pointers.

Successful exploitation allows execution of arbitrary code.

The vulnerability has been reported in Flash Player version 7.0.19.0
and prior.

SOLUTION:
Update to Flash Player 8 (8.0.22.0) or apply Flash Player 7 update
(7.0.61.0 or 7.0.60.0).

Flash Player 8 download:
http://www.macromedia.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash

Flast Player 7 update:
http://www.macromedia.com/go/d9c2fe33

PROVIDED AND/OR DISCOVERED BY:
Fang Xing, eEye Digital Security.

The vendor also credits SEC Consult.

ORIGINAL ADVISORY:
Macromedia:
http://www.macromedia.com/devnet/security/security_zone/mpsb05-07.html

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