From 6b8a7f809040eed660f977a2cd4e954931300b50 Mon Sep 17 00:00:00 2001
From: jlam <jlam@pkgsrc.org>
Date: Sun, 10 Apr 2005 07:46:50 +0000
Subject: Patch from
 http://web.mit.edu/kerberos/advisories/2005-001-patch_1.4.txt which fixes
 MITKRB5-SA-2005-001 (CAN-2005-0468 & CAN-2005-0469) relating to buffer
 overflows in the telnet client.  Bump PKGREVISION to 1.

---
 security/mit-krb5/Makefile         |  3 +-
 security/mit-krb5/distinfo         |  3 +-
 security/mit-krb5/patches/patch-al | 96 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 100 insertions(+), 2 deletions(-)
 create mode 100644 security/mit-krb5/patches/patch-al

(limited to 'security/mit-krb5')

diff --git a/security/mit-krb5/Makefile b/security/mit-krb5/Makefile
index 226daf9b79b..86b953e1634 100644
--- a/security/mit-krb5/Makefile
+++ b/security/mit-krb5/Makefile
@@ -1,7 +1,8 @@
-# $NetBSD: Makefile,v 1.17 2005/04/10 07:15:24 jlam Exp $
+# $NetBSD: Makefile,v 1.18 2005/04/10 07:46:50 jlam Exp $
 
 DISTNAME=	krb5-1.4
 PKGNAME=	mit-${DISTNAME:S/-signed$//}
+PKGREVISION=	1
 CATEGORIES=	security
 MASTER_SITES=	http://web.mit.edu/kerberos/dist/krb5/1.4/
 DISTFILES=	${DISTNAME}-signed${EXTRACT_SUFX}
diff --git a/security/mit-krb5/distinfo b/security/mit-krb5/distinfo
index 87c0d5c9fd4..3ad292b8daf 100644
--- a/security/mit-krb5/distinfo
+++ b/security/mit-krb5/distinfo
@@ -1,4 +1,4 @@
-$NetBSD: distinfo,v 1.9 2005/04/10 07:15:24 jlam Exp $
+$NetBSD: distinfo,v 1.10 2005/04/10 07:46:50 jlam Exp $
 
 SHA1 (krb5-1.4-signed.tar) = fa354aaaeb5ac5039653ebd249b1e3f9273a7a29
 RMD160 (krb5-1.4-signed.tar) = 0231e55c56f3d6d20aee3ca1bcb77b0eeaeabaae
@@ -13,3 +13,4 @@ SHA1 (patch-ag) = 52a794b5fa0d1573bb2c9e7c4d233212d767d0e0
 SHA1 (patch-ah) = 59a6bfc341a22234b38db406abe83b0d6d358a9f
 SHA1 (patch-aj) = 5c633571ea932ce349065cbb4c3bf482cc971675
 SHA1 (patch-ak) = 9d95372fd8edddbf0366e83a51d7a0b8a507f218
+SHA1 (patch-al) = dbfae9ee81ba7b0367bc874fe60d1c256f8c5cf1
diff --git a/security/mit-krb5/patches/patch-al b/security/mit-krb5/patches/patch-al
new file mode 100644
index 00000000000..ed9e1ca7a72
--- /dev/null
+++ b/security/mit-krb5/patches/patch-al
@@ -0,0 +1,96 @@
+$NetBSD: patch-al,v 1.1 2005/04/10 07:46:50 jlam Exp $
+
+Patch from http://web.mit.edu/kerberos/advisories/2005-001-patch_1.4.txt
+which fixes MITKRB5-SA-2005-001 (CAN-2005-0468 & CAN-2005-0469) relating
+to buffer overflows in the telnet client.
+
+*** appl/telnet/telnet/telnet.c	15 Nov 2002 20:21:35 -0000	5.18
+--- appl/telnet/telnet/telnet.c	15 Mar 2005 18:59:32 -0000
+***************
+*** 1475,1480 ****
+--- 1475,1482 ----
+  	unsigned char flags;
+  	cc_t value;
+  {
++ 	if ((slc_replyp - slc_reply) + 6 > sizeof(slc_reply))
++ 		return;
+  	if ((*slc_replyp++ = func) == IAC)
+  		*slc_replyp++ = IAC;
+  	if ((*slc_replyp++ = flags) == IAC)
+***************
+*** 1488,1498 ****
+  {
+      register int len;
+  
+-     *slc_replyp++ = IAC;
+-     *slc_replyp++ = SE;
+      len = slc_replyp - slc_reply;
+!     if (len <= 6)
+  	return;
+      if (NETROOM() > len) {
+  	ring_supply_data(&netoring, slc_reply, slc_replyp - slc_reply);
+  	printsub('>', &slc_reply[2], slc_replyp - slc_reply - 2);
+--- 1490,1501 ----
+  {
+      register int len;
+  
+      len = slc_replyp - slc_reply;
+!     if (len <= 4 || (len + 2 > sizeof(slc_reply)))
+  	return;
++     *slc_replyp++ = IAC;
++     *slc_replyp++ = SE;
++     len += 2;
+      if (NETROOM() > len) {
+  	ring_supply_data(&netoring, slc_reply, slc_replyp - slc_reply);
+  	printsub('>', &slc_reply[2], slc_replyp - slc_reply - 2);
+***************
+*** 1645,1650 ****
+--- 1648,1654 ----
+  	register unsigned char *ep;
+  {
+  	register unsigned char *vp, c;
++ 	unsigned int len, olen, elen;
+  
+  	if (opt_reply == NULL)		/*XXX*/
+  		return;			/*XXX*/
+***************
+*** 1662,1680 ****
+  		return;
+  	}
+  	vp = env_getvalue(ep);
+! 	if (opt_replyp + (vp ? strlen((char *)vp) : 0) +
+! 				strlen((char *)ep) + 6 > opt_replyend)
+  	{
+! 		register unsigned int len;
+! 		opt_replyend += OPT_REPLY_SIZE;
+! 		len = opt_replyend - opt_reply;
+  		opt_reply = (unsigned char *)realloc(opt_reply, len);
+  		if (opt_reply == NULL) {
+  /*@*/			printf("env_opt_add: realloc() failed!!!\n");
+  			opt_reply = opt_replyp = opt_replyend = NULL;
+  			return;
+  		}
+! 		opt_replyp = opt_reply + len - (opt_replyend - opt_replyp);
+  		opt_replyend = opt_reply + len;
+  	}
+  	if (opt_welldefined((char *) ep))
+--- 1666,1684 ----
+  		return;
+  	}
+  	vp = env_getvalue(ep);
+! 	elen = 2 * (vp ? strlen((char *)vp) : 0) +
+! 		2 * strlen((char *)ep) + 6;
+! 	if ((opt_replyend - opt_replyp) < elen)
+  	{
+! 		len = opt_replyend - opt_reply + elen;
+! 		olen = opt_replyp - opt_reply;
+  		opt_reply = (unsigned char *)realloc(opt_reply, len);
+  		if (opt_reply == NULL) {
+  /*@*/			printf("env_opt_add: realloc() failed!!!\n");
+  			opt_reply = opt_replyp = opt_replyend = NULL;
+  			return;
+  		}
+! 		opt_replyp = opt_reply + olen;
+  		opt_replyend = opt_reply + len;
+  	}
+  	if (opt_welldefined((char *) ep))
-- 
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