1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
From 26a59d9b46574e457870197dffa802871b4c8fc7 Mon Sep 17 00:00:00 2001
From: Geoff Thorpe <geoff@openssl.org>
Date: Wed, 15 Oct 2014 03:25:50 -0400
Subject: [PATCH] Fix no-ssl3 configuration option
CVE-2014-3568
Reviewed-by: Emilia Kasper <emilia@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
Signed-off-by: Catalin Popeanga <catalin.popeanga@enea.com>
---
ssl/s23_clnt.c | 9 +++++++--
ssl/s23_srvr.c | 18 +++++++++---------
2 files changed, 16 insertions(+), 11 deletions(-)
diff --git a/ssl/s23_clnt.c b/ssl/s23_clnt.c
index d4e43c3..86ab3de 100644
--- a/ssl/s23_clnt.c
+++ b/ssl/s23_clnt.c
@@ -125,9 +125,11 @@ static const SSL_METHOD *ssl23_get_client_method(int ver)
if (ver == SSL2_VERSION)
return(SSLv2_client_method());
#endif
+#ifndef OPENSSL_NO_SSL3
if (ver == SSL3_VERSION)
return(SSLv3_client_method());
- else if (ver == TLS1_VERSION)
+#endif
+ if (ver == TLS1_VERSION)
return(TLSv1_client_method());
else if (ver == TLS1_1_VERSION)
return(TLSv1_1_client_method());
@@ -698,6 +700,7 @@ static int ssl23_get_server_hello(SSL *s)
{
/* we have sslv3 or tls1 (server hello or alert) */
+#ifndef OPENSSL_NO_SSL3
if ((p[2] == SSL3_VERSION_MINOR) &&
!(s->options & SSL_OP_NO_SSLv3))
{
@@ -712,7 +715,9 @@ static int ssl23_get_server_hello(SSL *s)
s->version=SSL3_VERSION;
s->method=SSLv3_client_method();
}
- else if ((p[2] == TLS1_VERSION_MINOR) &&
+ else
+#endif
+ if ((p[2] == TLS1_VERSION_MINOR) &&
!(s->options & SSL_OP_NO_TLSv1))
{
s->version=TLS1_VERSION;
diff --git a/ssl/s23_srvr.c b/ssl/s23_srvr.c
index 567a6b1..93ca7d5 100644
--- a/ssl/s23_srvr.c
+++ b/ssl/s23_srvr.c
@@ -127,9 +127,11 @@ static const SSL_METHOD *ssl23_get_server_method(int ver)
if (ver == SSL2_VERSION)
return(SSLv2_server_method());
#endif
+#ifndef OPENSSL_NO_SSL3
if (ver == SSL3_VERSION)
return(SSLv3_server_method());
- else if (ver == TLS1_VERSION)
+#endif
+ if (ver == TLS1_VERSION)
return(TLSv1_server_method());
else if (ver == TLS1_1_VERSION)
return(TLSv1_1_server_method());
@@ -600,6 +602,12 @@ int ssl23_get_client_hello(SSL *s)
if ((type == 2) || (type == 3))
{
/* we have SSLv3/TLSv1 (type 2: SSL2 style, type 3: SSL3/TLS style) */
+ s->method = ssl23_get_server_method(s->version);
+ if (s->method == NULL)
+ {
+ SSLerr(SSL_F_SSL23_GET_CLIENT_HELLO,SSL_R_UNSUPPORTED_PROTOCOL);
+ goto err;
+ }
if (!ssl_init_wbio_buffer(s,1)) goto err;
@@ -627,14 +635,6 @@ int ssl23_get_client_hello(SSL *s)
s->s3->rbuf.left=0;
s->s3->rbuf.offset=0;
}
- if (s->version == TLS1_2_VERSION)
- s->method = TLSv1_2_server_method();
- else if (s->version == TLS1_1_VERSION)
- s->method = TLSv1_1_server_method();
- else if (s->version == TLS1_VERSION)
- s->method = TLSv1_server_method();
- else
- s->method = SSLv3_server_method();
#if 0 /* ssl3_get_client_hello does this */
s->client_version=(v[0]<<8)|v[1];
#endif
--
1.7.9.5
|
