| Title | Linux Foundation Projects Magma 5G v1.9.0 Exposure of Private Personal Information to an Unauthorized Acto |
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| Description | Capability 5GMM is a non clear text IE and should not be accepted as InitialUEMessage. AMF accepts it and proceeds. Possible chance of leaking device capability information and potential finger-printing if a man in the middle adversary is involved.
To Reproduce
Start Magma Core with 5G support enabled and default configuration
Send an InitialUEMessage with Capability 5GMM in the message.
InitialUEMessage:
00 0f 40 45 00 00 05 00 55 00 02 00 02 00 26 00 1b 1a 7e 00 41 79 00 0d 01 00 f1 10 00 00 00 00 00 00 00 00 10 2e 02 80 f0 10 01 00 00 79 00 0f 40 00 f1 10 00 00 00 00 00 00 f1 10 00 00 07 00 5a 40 01 18 00 70 40 01 00 |
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| Source | ⚠️ https://github.com/magma/magma/issues/16022 |
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| User | shovon0203 (UID 96191) |
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| Submission | 07/15/2026 06:47 (2 months ago) |
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| Moderation | 08/29/2026 20:44 (2 months later) |
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| Status | Accepted |
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| VulDB entry | 397064 [Linux Foundation Magma 1.9.0 InitialUEMessage information disclosure] |
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| Points | 20 |
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