diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2015-07-19 18:26:00 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2015-07-19 18:26:00 +0000 |
| commit | eafe1f0cacc5cfeb27ada3c8b89411a0a8ad7e29 (patch) | |
| tree | 543e6d28df1500c9fca23aa107f31d4ebd82af8d /lib/libcrypto/pkcs7/pk7_doit.c | |
| parent | b8ced6fbcc8ba749dd1630246443d23f46b7c8ec (diff) | |
Verify ASN1 objects types before attempting to access them as a particular
type.
ok guenther@ doug@
Diffstat (limited to 'lib/libcrypto/pkcs7/pk7_doit.c')
| -rw-r--r-- | lib/libcrypto/pkcs7/pk7_doit.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/libcrypto/pkcs7/pk7_doit.c b/lib/libcrypto/pkcs7/pk7_doit.c index d6fcaca745a..2c69edf4997 100644 --- a/lib/libcrypto/pkcs7/pk7_doit.c +++ b/lib/libcrypto/pkcs7/pk7_doit.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pk7_doit.c,v 1.34 2015/07/18 14:40:59 miod Exp $ */ +/* $OpenBSD: pk7_doit.c,v 1.35 2015/07/19 18:25:59 miod Exp $ */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * @@ -1187,6 +1187,8 @@ PKCS7_digest_from_attributes(STACK_OF(X509_ATTRIBUTE) *sk) if (!(astype = get_attribute(sk, NID_pkcs9_messageDigest))) return NULL; + if (astype->type != V_ASN1_OCTET_STRING) + return NULL; return astype->value.octet_string; } |