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Fix potential integer overflow parsing DER CRT

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This patch prevents a potential signed integer overflow during the
certificate version verification checks.
This commit is contained in:
Andres AG 2017-03-09 16:16:11 +00:00 • committed by Simon Butcher
parent eacc616a9c
commit 487b7a9efc
2 changed files with 6 additions and 3 deletions
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@ -212,6 +212,9 @@ Bugfix
digits. Found and fixed by Guido Vranken.
* Fix unlisted DES configuration dependency in some pkparse test cases. Found
by inestlerode. #555
* Fix a potential integer overflow in the version verification for DER
encoded X509 certificates. The overflow would enable maliciously
constructed certificates to bypass the certificate verification check.
= mbed TLS 2.4.1 branch released 2016-12-13