MirrorNetworking / MirrorNetworking/Mirror

maxconnections exploit maybe

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#2,626 2 comments 0 reactions 0 assignees View on GitHub

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bug security
Dominant language
C#
Stars
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Forks
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Description

copy paste from discord:

"here's an exploit: connect maxConnection clients, send ping/pong (low performance cost) but not ready/addplayer. boom no new clients can join the server"

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No file, test, or entry point is identified. Start by reproducing the reported case: fill maxConnection slots, then send ping/pong without sending ready or AddPlayer; trace where those connections remain eligible to consume capacity. Done should include a decided mitigation and a regression test for new clients joining afterward.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp, unity
Domain
networking, security
Issue type
Bug
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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