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Fix embarrassing X.509 bug introduced in 9533765

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Manuel Pégourié-Gonnard 2014-04-08 11:55:03 +02:00
parent 95a0d118a9
commit 8c045ef8e4
2 changed files with 7 additions and 0 deletions
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4
ChangeLog
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@ -8,6 +8,10 @@ Changes
Security
* Avoid potential timing leak in ecdsa_sign() by blinding modular division.
(Found by Watson Ladd.)
* The notAfter date of some certificates was no longer checked since 1.3.5.
This affects certificates in the user-supplied chain except the top
certificate. If the user-supplied chain contains only one certificates,
it is not affected (ie, its notAfter date is properly checked).
Bugfix
* The length of various ClientKeyExchange messages was not properly checked.

3
library/x509_crt.c
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@ -1647,6 +1647,9 @@ static int x509_crt_verify_child(
x509_crt *grandparent;
const md_info_t *md_info;
if( x509_time_expired( &child->valid_to ) )
*flags |= BADCERT_EXPIRED;
if( x509_time_future( &child->valid_from ) )
*flags |= BADCERT_FUTURE;