Comments (4)
I can confirm this. I think there are some iDevice management tools out there that do restores of a master profile to multiple (different) devices and it is duplicating the OpenUDID. I noticed this with bulk Educational purchases.
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is this still happening ?
from openudid.
Yes, it still happenning. It is the major security hole. Applications using OpenUDID can't be sure that device identificator is uniqie.
Is it on the roadmap to fix?
from openudid.
The strength of the system is that it is standalone and decentralised. Its weakness is that it is decentralized, and therefore no repository can ensure uniqueness. The system is as strong as it gets at scale (i.e. many apps using it across a large user base). The OpenUDID is very close to being unique, really. Collisions are as unlikely as one winning the lottery 10 times in a row...
That being said, going forward, I urge all to start using the more than desirable IDfA (identifier for advertising) and/or Vendor Identifier. They fulfill all requirements going forward.
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Related Issues (20)
- openUDID location
- Update podspec to current head HOT 2
- EXC_BAD_ACCESS on iOS6
- is OpenUDID support for IOS7 HOT 1
- OpenUDID doesn't work on iOS 7 HOT 1
- OpenUDID Crashed: com.apple.root.default-overcommit-priority,EXC_BAD_ACCESS KERN_INVALID_ADDRESS at 0xf16ea5a6
- OpenUDID Crashed
- Cannot remove OpenUDID from project HOT 1
- Why deprecate OpenUDID ? HOT 1
- 64-bit Apple recommendation HOT 1
- OpenUDID UIPasteboard in ios8 crashed HOT 2
- Crash In iOS 8.4.1
- NSUserDefaults has not been synchronized.
- crash in ios9.0、9.1、9.2 HOT 1
- [OpenUDID value] get value is NULL,I do not know why HOT 1
- crash with methed initWithErr
- Crashed with method +[OpenUDID valueWithError:], on iPhone 5s, iOS 10.1.1 HOT 5
- apple allow to get UDID after deployment?
- kOpenUDIDRedundancySlots=100
- I found that the appUID was not stored
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