Photoshop CS2 and CS3 updates to address security vulnerabilities

Release date: July 10, 2007

Vulnerability identifier: APSB07-13

CVE number: CVE-2007-2244, CVE-2007-2365

Platform: All Platforms

Affected software versions: Photoshop CS2 and Photoshop CS3

Summary

Critical
vulnerabilities have been identified in Photoshop CS2 and CS3 that
could allow an attacker who successfully exploits these potential
vulnerabilities to take control of the affected system. A malicious
BMP, DIB, RLE, or PNG must be opened in Photoshop by the user for an
attacker to exploit these potential vulnerabilities. Users are
recommended to update their installations with the patches provided
below, and Adobe encourages all customers to be cautious before opening
any unknown file, regardless of which application they may be using.

Solution

Adobe recommends all Photoshop CS2 and Photoshop CS3 users update their installations using the instructions below:

Photoshop CS3 Updaters:

Photoshop CS3 customers can use the Macintosh or Windows updaters to update their installations:

• CS3 Update for Macintosh


• CS3 Update for Windows

Photoshop
CS3 users can also utilize the product's automatic update facility. The
default installation configuration runs automatic updates on a regular
schedule, and can be manually activated by choosing Help > Check For
Updates Now.

Manual update instructions for Photoshop CS2 and Photoshop CS3 Macintosh:

1. Download the updated file ps_security_update.dmg


2. Exit Photoshop CS2 and/or CS3.


3. In the Finder, navigate to the following location(s):
   
   
   
   
   • For CS3: Applications//Adobe Photoshop CS3/Plug-Ins/File Formats
   
   
   • For
     CS2: BMP & TARGA: Applications/Adobe Photoshop CS3/Plug-Ins/File
     Formats;  PNG: Applications/Adobe Photoshop CS2/Plug-Ins/Adobe
     Photoshop Only/File Formats
   
   
   
   


4. Move the
   existing plug-ins to another location (for example, a new folder on
   your desktop). Ensure you keep these original versions in case you need
   to revert back.


5. Copy the BMP, PNG, and Targa plug-ins from the download into the same folder as in Step 3.


6. Launch Photoshop CS2 or Photoshop CS3.

Manual update instructions for Photoshop CS2 and Photoshop CS3 Windows:

1. Download the updated file ps_security_update.zip


2. Exit Photoshop.


3. In Windows Explorer, navigate to the following location(s):
   
   
   
   
   • For CS3: Crogram FilesAdobeAdobe Photoshop CS3Plug-InsFile Formats;
   
   
   • For
     CS2: BMP & TARGA: Crogram FilesAdobeAdobe Photoshop
     CS2Plug-InsFile Formats; PNG: Crogram FilesAdobeAdobe Photoshop
     CS2Plug-InsAdobe Photoshop OnlyFile Formats
   
   
   
   


4. Move
   the existing plug-ins to another location (for example, a new folder on
   your desktop). Ensure you keep these original versions in case you need
   to revert back.


5. Copy the BMP, PNG, and Targa plug-ins from the download into the same folder as in Step 3.


6. Launch Photoshop CS2 or Photoshop CS3.

Severity rating

Adobe categorizes this as a critical update and recommends affected users update their software installations.

Details

Multiple input validation errors have been
identified in Photoshop CS2 and Photoshop CS3 which could lead to the
potential execution of arbitrary code. These vulnerabilities are not
remotely exploitable, but could, for instance, be triggered by opening
a malicious BMP, DIB, RLE or PNG file delivered to a user via their
e-mail client. Users are recommended to update their installations with
the patches provided below, and Adobe encourages all customers to be
cautious before opening any unknown file, regardless of which
application they may be using. These issues were previously publicly
disclosed by a third party (CVE-2007-2244 and CVE-2007-2365).

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