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$NetBSD: patch-CVE-2012-6085,v 1.1 2013/01/15 11:21:50 drochner Exp $
upstream rev. 498882296ffac7987c644aaf2a0aa108a2925471
--- g10/import.c.orig 2012-03-27 08:00:37.000000000 +0000
+++ g10/import.c
@@ -347,6 +347,27 @@ import_print_stats (void *hd)
}
+/* Return true if PKTTYPE is valid in a keyblock. */
+static int
+valid_keyblock_packet (int pkttype)
+{
+ switch (pkttype)
+ {
+ case PKT_PUBLIC_KEY:
+ case PKT_PUBLIC_SUBKEY:
+ case PKT_SECRET_KEY:
+ case PKT_SECRET_SUBKEY:
+ case PKT_SIGNATURE:
+ case PKT_USER_ID:
+ case PKT_ATTRIBUTE:
+ case PKT_RING_TRUST:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+
/****************
* Read the next keyblock from stream A.
* PENDING_PKT should be initialzed to NULL
@@ -424,7 +445,7 @@ read_block( IOBUF a, PACKET **pending_pk
}
in_cert = 1;
default:
- if( in_cert ) {
+ if (in_cert && valid_keyblock_packet (pkt->pkttype)) {
if( !root )
root = new_kbnode( pkt );
else
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