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Bug #72048 No way to disable peer name verification
Submitted: 2016-04-18 14:11 UTC Modified: -
Votes:17
Avg. Score:3.5 ± 0.8
Reproduced:8 of 8 (100.0%)
Same Version:5 (62.5%)
Same OS:3 (37.5%)
From: michal at cihar dot com Assigned:
Status: Open Package: MySQLi related
PHP Version: 7.0Git-2016-04-18 (Git) OS:
Private report: No CVE-ID: None
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 [2016-04-18 14:11 UTC] michal at cihar dot com
Description:
------------
Currently the MySQLi driver only allows to validate SSL certificate and whether it matches provided CN or skip both of these. This leads to insecure setup in many cases as you have to disable SSL verification in order to workaround CN/hostname mismatch (which is quite usual with cloud providers as CN contains name of the instance and you connect using IP address, this is true for example for Google Cloud SQL), what makes using SSL pretty much useless as you're open to MITM attacks.

What is missing is separate control to disable only ssl.verify_peer_name as you still want to verify the server certificate.

See also https://bugs.php.net/bug.php?id=68344


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