bugtraq - [CAL-2011-0054]Adobe Shockwave Player Director File Parsing data of rcsl chunk multiple DOS vulnerabilities

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Date: Wed, 09 Nov 2011 11:01:36 +0800
From: Code Audit Labs <vulnhunt@...il.com>
To: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Subject: [CAL-2011-0054]Adobe Shockwave Player Director File Parsing data
 of rcsl chunk multiple DOS vulnerabilities

[CAL-2011-0054]Adobe Shockwave Player Director File Parsing data of rcsl
chunk multiple DOS vulnerabilities

CAL_ID: CAL-2011-0054
CVE ID: CVE-2011-2448
Discover: instruder of code audit labs of vulnhunt.com
http://www.adobe.com/support/security/bulletins/apsb11-27.html

1 Affected Products
=================
Test Version：Adobe Shockwave Player 11.6.1.629(last version)

2 Vulnerability Details
=====================

When adobe shockwave player parsing data of rcsl chunk of Director File,
because of the wrong Calculate, you can bypass the check.This will cause a
crash,In the handle of rcsl chunk,this problem exists in dispatcher for
case 0xD2,0xCB,0xcc,0xD1  .

3 Exploitable?
============

Successfully exploiting this issue cause denial-of-service conditions.
but according to adobe security Bulletins they mark it as could lead to
code execution.

4 Crash info:
===============
(3cc.1e0): Access violation - code c0000005 (first chance)
First chance exceptions are reported before any exception handling.
This exception may be expected and handled.
eax=0319f7c0 ebx=7ffffff8 ecx=026101fc edx=0319f7b0 esi=032b2fd4
edi=0310c34b
eip=68109402 esp=0012d684 ebp=0319f81c iopl=0         nv up ei pl nz na
pe nc
cs=001b  ss=0023  ds=0023  es=0023  fs=003b  gs=0000
efl=00210206
DIRAPI+0x109402:
68109402 8b1418          mov     edx,dword ptr [eax+ebx]
ds:0023:8319f7b8=????????
0:000> KB
ChildEBP RetAddr  Args to Child
WARNING: Stack unwind information not available. Following frames may be
wrong.
0012d69c 6810bad5 026101fc 00000003 001d554c DIRAPI+0x109402
00000000 00000000 00000000 00000000 00000000 DIRAPI+0x10bad5

5 Timeline
=========
2011-9-27 report to adobe
2011-9-28 vendor ask poc file
2011-9-28 we sent the poc file.
2011-9-30 vendor comfirm the issue.
2011-11-8 Coordinated public release of advisory.

6 About Code Audit Labs:
=====================
Code Audit Labs secure your software,provide Professional include source
code audit and binary code audit service.
Code Audit Labs:" You create value for customer,We protect your value"
http://www.VulnHunt.com