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When creating an AFP resource using AFP Manager in Navigator for i, the temporary file used to create the resource on the IBM i is stored in the
/QIBM/UserData/OS400/Navigator/config/data directory. The temporary files are not cleared after the AFP resource is successfully created on the IBM i.
Since the temporary files are not cleaned up, some may experience an authority issue if attempting to upload a file with the same name as an existing file after applying the PTF for APAR SE68845.
In addition, this is a potential security risk. Page segments and overlays may include signatures or other personal information (PI) or sensitive personal information (SPI). Someone knowledgeable with the process of creating AFP resources on the IBM i can use the temporary file in the
/QIBM/UserData/OS400/Navigator/config/data directory to create a new resource and use it for other purposes.
- Overlay or page segment is created using Windows AFP print driver
- Overlay or page segment is imported through AFP Manager in Navigator for i
- After a period of time, the overlay or page segment is changed
- The updated object has the same name as the old object
- The import through AFP Manager in Navigator for i fails due to an authority failure
- The existing object in the /QIBM/UserData/OS400/Navigator/config/data directory has *PUBLIC *EXCLUDE as it was created before the PTF for APAR SE68845 was applied
- After clearing the directory or file, or renaming the file, the resource is successfully imported and created on the IBM i
Security exposure:
- Dr. Evil knows the newly created overlay or page segment includes a signature
- Dr. Evil doesn't have authority to the final AFP resource on the IBM i, but does have authority to /QIBM/UserData/OS400/Navigator/config/data directory
- Dr. Evil follows well known, published instructions for creating a new AFP resource using the temporary file
- Dr. Evil now has a second copy of the AFP resource and authority to use it
Idea priority | Low |
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IBM understands this requirement and will consider this in a future delivery
The CEAC has reviewed this requirement and recommends that IBM view this as a MEDIUM priority requirement that should be addressed.
Background: The COMMON Europe Advisory Council (CEAC) members have a broad range of experience in working with small and medium-sized IBM i customers. CEAC has a crucial role in working with IBM i development to help assess the value and impact of individual RFEs on the broader IBM i community and has therefore reviewed your RFE.
To find out how CEAC help to shape the future of IBM i, see CEAC @ ibm.biz/BdYSYj and the article "The Five Hottest IBM i RFEs Of The Quarter" at ibm.biz/BdYSZT
Therese Eaton – CEAC Program Manager, IBM
Due to processing by IBM, this request was reassigned to have the following updated attributes:
Brand - Servers and Systems Software
Product family - Power Systems
Product - IBM i
Component - System Management
Operating system - IBM i
Source - Client
For recording keeping, the previous attributes were:
Brand - Servers and Systems Software
Product family - Power Systems
Product - IBM i
Component - IBM i Access Family
Operating system - IBM i
Source - Client