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-rw-r--r--source4/libcli/util/asn1.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/source4/libcli/util/asn1.c b/source4/libcli/util/asn1.c
index 7e2d54fcbd..f2098de5c5 100644
--- a/source4/libcli/util/asn1.c
+++ b/source4/libcli/util/asn1.c
@@ -360,6 +360,9 @@ BOOL asn1_load(struct asn1_data *data, DATA_BLOB blob)
/* Peek into an ASN1 buffer, not advancing the pointer */
BOOL asn1_peek(struct asn1_data *data, void *p, int len)
{
+ if (data->has_error)
+ return False;
+
if (len < 0 || data->ofs + len < data->ofs || data->ofs + len < len)
return False;
@@ -405,7 +408,7 @@ BOOL asn1_peek_tag(struct asn1_data *data, uint8_t tag)
return False;
}
- if (!asn1_peek(data, &b, sizeof(b)))
+ if (!asn1_peek_uint8(data, &b))
return False;
return (b == tag);