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Fix NULL deref in apps/pkcs7

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Thanks to Brian Carpenter for finding and reporting this.

Reviewed-by: Emilia Käsper <emilia@openssl.org>
(cherry picked from commit 79356a83b78a2d936dcd022847465d9ebf6c67b1)
This commit is contained in:
Rich Salz 2016-04-25 08:56:54 -04:00
parent 697283ba41
commit 184ebf0fca
1 changed files with 8 additions and 4 deletions
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12
apps/pkcs7.c
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@ -235,12 +235,16 @@ int MAIN(int argc, char **argv)
i = OBJ_obj2nid(p7->type);
switch (i) {
case NID_pkcs7_signed:
certs = p7->d.sign->cert;
crls = p7->d.sign->crl;
if (p7->d.sign != NULL) {
certs = p7->d.sign->cert;
crls = p7->d.sign->crl;
}
break;
case NID_pkcs7_signedAndEnveloped:
certs = p7->d.signed_and_enveloped->cert;
crls = p7->d.signed_and_enveloped->crl;
if (p7->d.signed_and_enveloped != NULL) {
certs = p7->d.signed_and_enveloped->cert;
crls = p7->d.signed_and_enveloped->crl;
}
break;
default:
break;