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- PGP Freeware Version 7.0.3 Hotfix 1
- for Windows 95, 98, Millenium, NT, and Windows 2000
- Copyright (c) 1990-2001 by Networks Associates
- Technology, Inc., and its Affiliated Companies.
- All Rights Reserved.
-
- ----------------------------------------------
- - HOTFIX 1 -
- ----------------------------------------------
-
-
- Thank you for using PGP Freeware Version 7.0.3. This Hotfix.txt
- file contains important information regarding this hotfix release.
- Network Associates strongly recommends that you read this
- entire document. Network Associates welcomes your comments and
- suggestions. Please use the information provided in this file to
- contact us.
-
- Warning: Export of this software may be restricted by the U.S.
- Government.
-
- ___________________
- WHAT'S IN THIS FILE
-
- - About this Hotfix
- - Issues resolved in this Hotfix
- - Installating the Hotfix
- - Contacting Network Associates
-
-
- _________________
- ABOUT THIS HOTFIX
-
- This hotfix consists of a single compressed file
- (PGPfreeware703Hotfix1.zip) which you decompress using an
- extraction utility such as Winzip. The zip file contains three
- files, PGPexch.dll, PGPsc.dll and PGPhotfix.exe.
-
- ______________________________
- ISSUES RESOLVED IN THIS HOTFIX
-
- PGP allows the user to verify signed files from the Explorer
- window by double-clicking on the .sig file that represents
- the signature on the original file. It is possible for an attacker
- to create a .sig file that contains an arbitrary binary file. When
- the user double-clicks on the .sig file, the binary file will be
- extracted and written to the current directory.
-
- If the extracted file is a PGP component DLL, it is possible
- that a PGP program could load the new DLL instead of the installed
- DLL, replacing the normal functionality with the new DLL that the
- attacker created.
-
- This hotfix will force the PGP component DLLs to always load
- from the directory they were installed in. Additionally, it will
- force a "Save As" dialog for any extracted files with a .dll,
- .sys, or .vxd extension.
-
-
- ______________________________
- INSTALLATING THE HOTFIX
-
- 1. Extract the files from PGPfreeware703Hotfix1.zip
- into a folder.
-
- 2. Run the program PGPhotfix.exe. This will replace the existing
- PGPexch.dll and PGPsc.dll on your machine with new versions of
- these dll's.
-
- 3. Reboot the machine.
-
- 4. You can verify that the hotfix was installed by looking
- for PGPsc.dll in your Windows\System directory
- (for Windows 95/98/ME) or Winnt\System32 directory
- (for Windows NT/2000). Right-click on the file, PGPsc.dll and
- choose "Properties". Click on the Version tab. The file
- version should be "7.0.3 Hotfix 1".
-
-
-
-