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- added security fixes from Bugtraq (patch prepared by Vincent Danen)
[packages/openssl.git] / openssl-0.9.6c-security.patch
CommitLineData
9920e6ec
JB		 1--- crypto/cryptlib.c.orig Fri Nov 23 13:57:59 2001
2+++ crypto/cryptlib.c Fri Jul 26 10:43:56 2002
3@@ -491,3 +491,11 @@
4 #endif
5
6 #endif
7+
8+void OpenSSLDie(const char *file,int line,const char *assertion)
9+ {
10+ fprintf(stderr,"%s(%d): OpenSSL internal error, assertion failed: %s\n",
11+ file,line,assertion);
12+ abort();
13+ }
14+
15--- crypto/cryptlib.h.orig Tue May 2 06:35:04 2000
16+++ crypto/cryptlib.h Fri Jul 26 10:43:56 2002
17@@ -89,6 +89,14 @@
18 #define X509_CERT_DIR_EVP "SSL_CERT_DIR"
19 #define X509_CERT_FILE_EVP "SSL_CERT_FILE"
20
21+/* size of string represenations */
22+#define DECIMAL_SIZE(type) ((sizeof(type)*8+2)/3+1)
23+#define HEX_SIZE(type) ((sizeof(type)*2)
24+
25+/* die if we have to */
26+void OpenSSLDie(const char *file,int line,const char *assertion);
27+#define die(e) ((e) ? (void)0 : OpenSSLDie(__FILE__, __LINE__, #e))
28+
29 #ifdef __cplusplus
30 }
31 #endif
32--- crypto/asn1/asn1_lib.c.orig Fri Mar 30 06:42:32 2001
33+++ crypto/asn1/asn1_lib.c Fri Jul 26 10:43:56 2002
34@@ -407,7 +407,7 @@
35
36 void asn1_add_error(unsigned char *address, int offset)
37 {
38- char buf1[16],buf2[16];
39+ char buf1[DECIMAL_SIZE(address)+1],buf2[DECIMAL_SIZE(offset)+1];
40
41 sprintf(buf1,"%lu",(unsigned long)address);
42 sprintf(buf2,"%d",offset);
43--- crypto/conf/conf_def.c.orig Tue Jun 6 09:21:12 2000
44+++ crypto/conf/conf_def.c Fri Jul 26 10:43:56 2002
45@@ -67,6 +67,7 @@
46 #include "conf_def.h"
47 #include <openssl/buffer.h>
48 #include <openssl/err.h>
49+#include "cryptlib.h"
50
51 static char *eat_ws(CONF *conf, char *p);
52 static char *eat_alpha_numeric(CONF *conf, char *p);
53@@ -180,12 +181,12 @@
54 static int def_load(CONF *conf, BIO *in, long *line)
55 {
56 #define BUFSIZE 512
57- char btmp[16];
58 int bufnum=0,i,ii;
59 BUF_MEM *buff=NULL;
60 char *s,*p,*end;
61 int again,n;
62 long eline=0;
63+ char btmp[DECIMAL_SIZE(eline)+1];
64 CONF_VALUE *v=NULL,*tv;
65 CONF_VALUE *sv=NULL;
66 char *section=NULL,*buf;
67--- crypto/objects/obj_dat.c.orig Mon Sep 4 09:34:35 2000
68+++ crypto/objects/obj_dat.c Fri Jul 26 10:43:56 2002
69@@ -428,7 +428,7 @@
70 unsigned long l;
71 unsigned char *p;
72 const char *s;
73- char tbuf[32];
74+ char tbuf[DECIMAL_SIZE(i)+DECIMAL_SIZE(l)+2];
75
76 if (buf_len <= 0) return(0);
77
78--- ssl/s2_clnt.c.orig Sat Nov 10 03:43:51 2001
79+++ ssl/s2_clnt.c Fri Jul 26 10:43:56 2002
80@@ -116,6 +116,7 @@
81 #include <openssl/buffer.h>
82 #include <openssl/objects.h>
83 #include <openssl/evp.h>
84+#include "cryptlib.h"
85
86 static SSL_METHOD *ssl2_get_client_method(int ver);
87 static int get_server_finished(SSL *s);
88@@ -517,6 +518,7 @@
89 }
90
91 s->s2->conn_id_length=s->s2->tmp.conn_id_length;
92+ die(s->s2->conn_id_length <= sizeof s->s2->conn_id);
93 memcpy(s->s2->conn_id,p,s->s2->tmp.conn_id_length);
94 return(1);
95 }
96@@ -618,6 +620,7 @@
97 /* make key_arg data */
98 i=EVP_CIPHER_iv_length(c);
99 sess->key_arg_length=i;
100+ die(i <= SSL_MAX_KEY_ARG_LENGTH);
101 if (i > 0) RAND_pseudo_bytes(sess->key_arg,i);
102
103 /* make a master key */
104@@ -625,6 +628,7 @@
105 sess->master_key_length=i;
106 if (i > 0)
107 {
108+ die(i <= sizeof sess->master_key);
109 if (RAND_bytes(sess->master_key,i) <= 0)
110 {
111 ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
112@@ -668,6 +672,7 @@
113 d+=enc;
114 karg=sess->key_arg_length;
115 s2n(karg,p); /* key arg size */
116+ die(karg <= sizeof sess->key_arg);
117 memcpy(d,sess->key_arg,(unsigned int)karg);
118 d+=karg;
119
120@@ -688,6 +693,7 @@
121 {
122 p=(unsigned char *)s->init_buf->data;
123 *(p++)=SSL2_MT_CLIENT_FINISHED;
124+ die(s->s2->conn_id_length <= sizeof s->s2->conn_id);
125 memcpy(p,s->s2->conn_id,(unsigned int)s->s2->conn_id_length);
126
127 s->state=SSL2_ST_SEND_CLIENT_FINISHED_B;
128@@ -944,6 +950,8 @@
129 {
130 if (!(s->options & SSL_OP_MICROSOFT_SESS_ID_BUG))
131 {
132+ die(s->session->session_id_length
133+ <= sizeof s->session->session_id);
134 if (memcmp(buf,s->session->session_id,
135 (unsigned int)s->session->session_id_length) != 0)
136 {
137--- ssl/s2_lib.c.orig Tue Dec 26 05:06:47 2000
138+++ ssl/s2_lib.c Fri Jul 26 10:52:20 2002
139@@ -62,6 +62,7 @@
140 #include <openssl/rsa.h>
141 #include <openssl/objects.h>
142 #include <openssl/md5.h>
143+#include "cryptlib.h"
144
145 static long ssl2_default_timeout(void );
146 const char *ssl2_version_str="SSLv2" OPENSSL_VERSION_PTEXT;
147@@ -425,10 +426,14 @@
148 #endif
149
150 km=s->s2->key_material;
151+ die(s->s2->key_material_length <= sizeof s->s2->key_material);
152 for (i=0; i<s->s2->key_material_length; i+=MD5_DIGEST_LENGTH)
153 {
154 MD5_Init(&ctx);
155-
156+
157+ die(s->session->master_key_length >= 0
158+ && s->session->master_key_length
159+ < sizeof s->session->master_key);
160 MD5_Update(&ctx,s->session->master_key,s->session->master_key_length);
161 MD5_Update(&ctx,&c,1);
162 c++;
163@@ -463,6 +468,7 @@
164 /* state=s->rwstate;*/
165 error=s->error;
166 s->error=0;
167+ die(error >= 0 && error <= 3);
168 i=ssl2_write(s,&(buf[3-error]),error);
169 /* if (i == error) s->rwstate=state; */
170
171--- ssl/s2_srvr.c.orig Wed Nov 14 14:19:47 2001
172+++ ssl/s2_srvr.c Fri Jul 26 10:43:56 2002
173@@ -116,6 +116,7 @@
174 #include <openssl/rand.h>
175 #include <openssl/objects.h>
176 #include <openssl/evp.h>
177+#include "cryptlib.h"
178
179 static SSL_METHOD *ssl2_get_server_method(int ver);
180 static int get_client_master_key(SSL *s);
181@@ -417,11 +418,18 @@
182 n2s(p,i); s->s2->tmp.clear=i;
183 n2s(p,i); s->s2->tmp.enc=i;
184 n2s(p,i); s->session->key_arg_length=i;
185+ if(s->session->key_arg_length > SSL_MAX_KEY_ARG_LENGTH)
186+ {
187+ SSLerr(SSL_F_GET_CLIENT_MASTER_KEY,
188+ SSL_R_KEY_ARG_TOO_LONG);
189+ return -1;
190+ }
191 s->state=SSL2_ST_GET_CLIENT_MASTER_KEY_B;
192 }
193
194 /* SSL2_ST_GET_CLIENT_MASTER_KEY_B */
195 p=(unsigned char *)s->init_buf->data;
196+ die(s->init_buf->length >= SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER);
197 keya=s->session->key_arg_length;
198 len = 10 + (unsigned long)s->s2->tmp.clear + (unsigned long)s->s2->tmp.enc + (unsigned long)keya;
199 if (len > SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER)
200@@ -502,6 +510,7 @@
201 #endif
202
203 if (is_export) i+=s->s2->tmp.clear;
204+ die(i <= SSL_MAX_MASTER_KEY_LENGTH);
205 s->session->master_key_length=i;
206 memcpy(s->session->master_key,p,(unsigned int)i);
207 return(1);
208@@ -649,6 +658,7 @@
209 p+=s->s2->tmp.session_id_length;
210
211 /* challenge */
212+ die(s->s2->challenge_length <= sizeof s->s2->challenge);
213 memcpy(s->s2->challenge,p,(unsigned int)s->s2->challenge_length);
214 return(1);
215 mem_err:
216@@ -800,6 +810,7 @@
217 }
218
219 /* SSL2_ST_GET_CLIENT_FINISHED_B */
220+ die(s->s2->conn_id_length <= sizeof s->s2->conn_id);
221 len = 1 + (unsigned long)s->s2->conn_id_length;
222 n = (int)len - s->init_num;
223 i = ssl2_read(s,(char *)&(p[s->init_num]),n);
224@@ -825,6 +836,7 @@
225 {
226 p=(unsigned char *)s->init_buf->data;
227 *(p++)=SSL2_MT_SERVER_VERIFY;
228+ die(s->s2->challenge_length <= sizeof s->s2->challenge);
229 memcpy(p,s->s2->challenge,(unsigned int)s->s2->challenge_length);
230 /* p+=s->s2->challenge_length; */
231
232@@ -844,6 +856,8 @@
233 p=(unsigned char *)s->init_buf->data;
234 *(p++)=SSL2_MT_SERVER_FINISHED;
235
236+ die(s->session->session_id_length
237+ <= sizeof s->session->session_id);
238 memcpy(p,s->session->session_id,
239 (unsigned int)s->session->session_id_length);
240 /* p+=s->session->session_id_length; */
241--- ssl/s3_clnt.c.orig Thu Oct 25 02:18:54 2001
242+++ ssl/s3_clnt.c Fri Jul 26 10:56:23 2002
243@@ -64,6 +64,7 @@
244 #include <openssl/sha.h>
245 #include <openssl/evp.h>
246 #include "ssl_locl.h"
247+#include "cryptlib.h"
248
249 static SSL_METHOD *ssl3_get_client_method(int ver);
250 static int ssl3_client_hello(SSL *s);
251@@ -492,6 +493,7 @@
252 *(p++)=i;
253 if (i != 0)
254 {
255+ die(i <= sizeof s->session->session_id);
256 memcpy(p,s->session->session_id,i);
257 p+=i;
258 }
259@@ -572,6 +574,14 @@
260
261 /* get the session-id */
262 j= *(p++);
263+
264+ if(j > sizeof s->session->session_id)
265+ {
266+ al=SSL_AD_ILLEGAL_PARAMETER;
267+ SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,
268+ SSL_R_SSL3_SESSION_ID_TOO_LONG);
269+ goto f_err;
270+ }
271
272 if ((j != 0) && (j != SSL3_SESSION_ID_SIZE))
273 {
274--- ssl/ssl.h.orig Mon Dec 17 12:24:39 2001
275+++ ssl/ssl.h Fri Jul 26 11:36:19 2002
276@@ -1423,6 +1423,7 @@
277 #define SSL_R_INVALID_COMMAND 280
278 #define SSL_R_INVALID_PURPOSE 278
279 #define SSL_R_INVALID_TRUST 279
280+#define SSL_R_KEY_ARG_TOO_LONG 1112
281 #define SSL_R_LENGTH_MISMATCH 159
282 #define SSL_R_LENGTH_TOO_SHORT 160
283 #define SSL_R_LIBRARY_BUG 274
284@@ -1491,6 +1492,7 @@
285 #define SSL_R_SHORT_READ 219
286 #define SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE 220
287 #define SSL_R_SSL23_DOING_SESSION_ID_REUSE 221
288+#define SSL_R_SSL3_SESSION_ID_TOO_LONG 1113
289 #define SSL_R_SSL3_SESSION_ID_TOO_SHORT 222
290 #define SSL_R_SSLV3_ALERT_BAD_CERTIFICATE 1042
291 #define SSL_R_SSLV3_ALERT_BAD_RECORD_MAC 1020
292--- ssl/ssl_asn1.c.orig Thu Jun 1 16:19:19 2000
293+++ ssl/ssl_asn1.c Fri Jul 26 11:37:53 2002
294@@ -62,6 +62,7 @@
295 #include <openssl/objects.h>
296 #include <openssl/x509.h>
297 #include "ssl_locl.h"
298+#include "cryptlib.h"
299
300 typedef struct ssl_session_asn1_st
301 {
302@@ -275,6 +276,7 @@
303 os.length=i;
304
305 ret->session_id_length=os.length;
306+ die(os.length <= sizeof ret->session_id);
307 memcpy(ret->session_id,os.data,os.length);
308
309 M_ASN1_D2I_get(osp,d2i_ASN1_OCTET_STRING);
310--- ssl/ssl_err.c.orig Fri Nov 9 18:15:29 2001
311+++ ssl/ssl_err.c Fri Jul 26 11:39:21 2002
312@@ -1,6 +1,6 @@
313 /* ssl/ssl_err.c */
314 /* ====================================================================
315- * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
316+ * Copyright (c) 1999-2002 The OpenSSL Project. All rights reserved.
317 *
318 * Redistribution and use in source and binary forms, with or without
319 * modification, are permitted provided that the following conditions
320@@ -275,6 +275,7 @@
321 {SSL_R_INVALID_COMMAND ,"invalid command"},
322 {SSL_R_INVALID_PURPOSE ,"invalid purpose"},
323 {SSL_R_INVALID_TRUST ,"invalid trust"},
324+{SSL_R_KEY_ARG_TOO_LONG ,"key arg too long"},
325 {SSL_R_LENGTH_MISMATCH ,"length mismatch"},
326 {SSL_R_LENGTH_TOO_SHORT ,"length too short"},
327 {SSL_R_LIBRARY_BUG ,"library bug"},
328@@ -343,6 +344,7 @@
329 {SSL_R_SHORT_READ ,"short read"},
330 {SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE,"signature for non signing certificate"},
331 {SSL_R_SSL23_DOING_SESSION_ID_REUSE ,"ssl23 doing session id reuse"},
332+{SSL_R_SSL3_SESSION_ID_TOO_LONG ,"ssl3 session id too long"},
333 {SSL_R_SSL3_SESSION_ID_TOO_SHORT ,"ssl3 session id too short"},
334 {SSL_R_SSLV3_ALERT_BAD_CERTIFICATE ,"sslv3 alert bad certificate"},
335 {SSL_R_SSLV3_ALERT_BAD_RECORD_MAC ,"sslv3 alert bad record mac"},
336--- ssl/ssl_sess.c.orig Wed Nov 29 11:12:32 2000
337+++ ssl/ssl_sess.c Fri Jul 26 10:43:56 2002
338@@ -60,6 +60,7 @@
339 #include <openssl/lhash.h>
340 #include <openssl/rand.h>
341 #include "ssl_locl.h"
342+#include "cryptlib.h"
343
344 static void SSL_SESSION_list_remove(SSL_CTX *ctx, SSL_SESSION *s);
345 static void SSL_SESSION_list_add(SSL_CTX *ctx,SSL_SESSION *s);
346@@ -199,6 +200,7 @@
347 ss->session_id_length=0;
348 }
349
350+ die(s->sid_ctx_length <= sizeof ss->sid_ctx);
351 memcpy(ss->sid_ctx,s->sid_ctx,s->sid_ctx_length);
352 ss->sid_ctx_length=s->sid_ctx_length;
353 s->session=ss;
354--- ssl/s3_srvr.c.orig Thu Oct 25 02:18:56 2001
355+++ ssl/s3_srvr.c Fri Jul 26 11:27:08 2002
356@@ -122,6 +122,7 @@
357 #include <openssl/evp.h>
358 #include <openssl/x509.h>
359 #include "ssl_locl.h"
360+#include "cryptlib.h"
361
362 static SSL_METHOD *ssl3_get_server_method(int ver);
363 static int ssl3_get_client_hello(SSL *s);
364@@ -942,6 +943,7 @@
365 s->session->session_id_length=0;
366
367 sl=s->session->session_id_length;
368+ die(sl <= sizeof s->session->session_id);
369 *(p++)=sl;
370 memcpy(p,s->session->session_id,sl);
371 p+=sl;
OpenSSL Toolkit libraries for the "Secure Sockets Layer" (SSL v2/v3)
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