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| author | Nikos Mavrogiannopoulos <nmav@redhat.com> | 2017-04-07 14:33:29 +0200 |
|---|---|---|
| committer | Nikos Mavrogiannopoulos <nmav@redhat.com> | 2017-04-07 14:33:29 +0200 |
| commit | 54dc00cbd2d28239a345a948269b277a4f4aab13 (patch) | |
| tree | 3242ca7e5afd59410c4ea6f3800a1eacf73afd45 | |
| parent | 5ec7e6442f92a75f1d987739174e22394d373de8 (diff) | |
| download | gnutls-54dc00cbd2d28239a345a948269b277a4f4aab13.tar.gz | |
x509/time: reject invalid dates in local mktime()
Resolves #135
Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
| -rw-r--r-- | lib/x509/time.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/x509/time.c b/lib/x509/time.c index 39f47a85f3..4d2b789268 100644 --- a/lib/x509/time.c +++ b/lib/x509/time.c @@ -85,6 +85,10 @@ static time_t mktime_utc(const struct fake_tm *tm) if (tm->tm_mon < 0 || tm->tm_mon > 11 || tm->tm_year < 1970) return (time_t) - 1; + /* Check for "obvious" mistakes in dates */ + if (tm->tm_sec > 60 || tm->tm_min > 59 || tm->tm_mday > 31 || tm->tm_mday < 1 || tm->tm_hour > 23) + return (time_t) - 1; + /* Convert to a time_t. */ for (i = 1970; i < tm->tm_year; i++) |