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Correct client_renego timing bug. #2470

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merged 2 commits into from
Feb 21, 2024
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OpenSSL will buffer only the first command till the establishment of the session.
In case of slow session establishment, we could:

  • loose some renego trys missing proper mitigation implementation
  • loose some renego trys missing a real vulnerable host if 2/3 of the tries are lost during session establishment (very slow startup).

Wait for the session to be fully established before starting the renego loop.

Fix #2469

Emmanuel Fusté added 2 commits February 13, 2024 14:40
OpenSSL will buffer only the first command till the establishment of the
session.
In case of slow session establishment, we could:
  * loose some renego trys missing proper mitigation implementation
  * loose some renego trys missing a real vulnerable host if 2/3 of the
    tries are lost during session establishment (very slow startup).

Wait for the session to be fully establised before starting the renego
loop.
@drwetter drwetter merged commit f84e8c0 into testssl:3.2 Feb 21, 2024
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[BUG] Secure client initiated renegotiation timing bug
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