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Summary

Name: OS X 10.6.6 Camera Raw Library Memory Corruption
Release Date: 28 June 2011
Reference: NGS00052
Discoverer: Paul Harrington <[email protected]>
Vendor: Apple
Vendor Reference: 140299872
Systems Affected: OS X 10.6.6 with RawCamera.bundle < 3.6
Risk: High
Status: Published

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TimeLine

Discovered: 22 February 2011
Released: 22 February 2011
Approved: 22 February 2011
Reported: 23 February 2011
Fixed: 21 March 2011
Published: 28 June 2011

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Description

A corrupt Canon Camera RAW file (.CR2) can cause a crash in the RawCamera library. This
affects viewing files in both the Preview.app application or via Quick Look.

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Technical Details

exception=EXC_BAD_ACCESS:signal=10:is_exploitable=yes:instruction_disassembly=movw
%dx,(%rsi,%rax,2):instruction_address=0x00007fff8381efcf:access_type=write:access_address=0x0000000101a83000:
Crash accessing invalid address. Consider running it again with libgmalloc(3) to see if the
log changes.
Test case was SIGBUS.49563.2010-12-18.13.15.15.CR2

Process: qlmanage [71823]
Path:
/System/Library/Frameworks/QuickLook.framework/Versions/A/Resources/quicklookd.app/Contents/MacOS/qlmanage
Identifier: qlmanage
Version: ??? (???)
Code Type: X86-64 (Native)
Parent Process: exc_handler [71821]

Date/Time: 2011-02-03 13:18:36.732 +0000
OS Version: Mac OS X 10.6.6 (10J567)
Report Version: 6

Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000101a83000
Crashed Thread: 3

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Fix Information

Upgrade to Camera Raw update 3.6:-

http://support.apple.com/kb/DL1357

This will only install on systems running iPhone or Aperture. A fix for other systems can be
found here http://support.apple.com/kb/HT4581
Updates can be installed using the "System Update" feature.

NGS Secure Research
http://www.ngssecure.com