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diff -up openssl-1.0.1e/ssl/s2_srvr.c.ssl2-ciphers openssl-1.0.1e/ssl/s2_srvr.c
--- openssl-1.0.1e/ssl/s2_srvr.c.ssl2-ciphers 2016-01-14 17:38:50.000000000 +0100
+++ openssl-1.0.1e/ssl/s2_srvr.c 2016-02-16 16:18:59.790225008 +0100
@@ -392,7 +392,7 @@ static int get_client_master_key(SSL *s)
}
cp=ssl2_get_cipher_by_char(p);
- if (cp == NULL)
+ if (cp == NULL || sk_SSL_CIPHER_find(s->session->ciphers, cp) < 0)
{
ssl2_return_error(s,SSL2_PE_NO_CIPHER);
SSLerr(SSL_F_GET_CLIENT_MASTER_KEY, SSL_R_NO_CIPHER_MATCH);
@@ -692,9 +692,13 @@ static int get_client_hello(SSL *s)
prio = cs;
allow = cl;
}
+
+ /* Generate list of SSLv2 ciphers shared between client and server */
for (z=0; z<sk_SSL_CIPHER_num(prio); z++)
{
- if (sk_SSL_CIPHER_find(allow,sk_SSL_CIPHER_value(prio,z)) < 0)
+ const SSL_CIPHER *cp = sk_SSL_CIPHER_value(prio, z);
+ if ((cp->algorithm_ssl & SSL_SSLV2) == 0 ||
+ sk_SSL_CIPHER_find(allow,cp) < 0)
{
(void)sk_SSL_CIPHER_delete(prio,z);
z--;
@@ -705,6 +709,14 @@ static int get_client_hello(SSL *s)
sk_SSL_CIPHER_free(s->session->ciphers);
s->session->ciphers = prio;
}
+
+ /* Make sure we have at least one cipher in common */
+ if (sk_SSL_CIPHER_num(s->session->ciphers) == 0)
+ {
+ ssl2_return_error(s, SSL2_PE_NO_CIPHER);
+ SSLerr(SSL_F_GET_CLIENT_HELLO, SSL_R_NO_CIPHER_MATCH);
+ return -1;
+ }
/* s->session->ciphers should now have a list of
* ciphers that are on both the client and server.
* This list is ordered by the order the client sent