Secunia Research: Adobe Photoshop TIFF SGI24LogLum Decompression Buffer Overflow

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                     Secunia Research 03/09/2012

  - Adobe Photoshop TIFF SGI24LogLum Decompression Buffer Overflow -

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Table of Contents

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

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1) Affected Software 

* Adobe Photoshop CS5
* Adobe Photoshop CS5.1
* Adobe Photoshop CS6

NOTE: Other versions may also be affected.

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2) Severity 

Rating: Highly Critical
Impact: System Compromise
Where:  Remote

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3) Vendor's Description of Software 

"Adobe Photoshop CS6 software delivers even more imaging magic, new 
creative options, and the Adobe Mercury Graphics Engine for blazingly
fast performance.".

Product Link:
http://www.adobe.com/products/photoshop.html

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4) Description of Vulnerability

Secunia Research has discovered a vulnerability in Adobe Photoshop, 
which can be exploited by malicious people to compromise a user's 
system.

The vulnerability is caused by insufficient validation in 
Photoshop.exe when decompressing SGI24LogLum-compressed TIFF images. 
This can be exploited via a specially crafted TIFF image to cause a 
heap-based buffer overflow.

Successful exploitation may allow execution of arbitrary code.

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5) Solution 

Update to version 12.0.5, 12.1.1, or 13.0.1.

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6) Time Table 

27/03/2012 - Vendor notified.
27/03/2012 - Vendor response.
08/05/2012 - Vulnerability addressed in CS5 and CS5.1 via APSB12-11.
04/07/2012 - Status update requested.
04/07/2012 - Vendor confirms fix in APSB12-11 and confirms that CS6 
             is still vulnerable. Fix to be included in next update.
30/08/2012 - APSB12-20 released. Vulnerability fixed, but no mention 
             of it in the security bulletin. Vendor contacted for 
             status update.
31/08/2012 - Vendor confirmation that vulnerability was addressed. 
             APSB12-11 and APSB12-20 updated accordingly.
03/09/2012 - Public disclosure.

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7) Credits 

Discovered by Carsten Eiram, Secunia Research.

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8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2012-0275 for the vulnerability.

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9) About Secunia

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10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2012-29/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

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