I feel like it would better use svn to commit to head, stable/7, releng/7,
stable/6, etc... seperately.
I tried to diff -rPREV or grab a patch and it didn't help much cause it had
all the different versions in it.
Thoughts, RTFM ?
Colin Percival wrote:
Author: cperciva
Date: Wed Apr 22 14:07:14 2009
New Revision: 191381
URL: http://svn.freebsd.org/changeset/base/191381
Log:
Don't leak information via uninitialized space in db(3) records. [09:07]
Sanity-check string lengths in order to stop OpenSSL crashing
when printing corrupt BMPString or UniversalString objects. [09:08]
Security: FreeBSD-SA-09:07.libc
Security: FreeBSD-SA-09:08.openssl
Security: CVE-2009-0590
Approved by: re (kensmith)
Approved by: so (cperciva)
Modified:
stable/7/crypto/openssl/crypto/asn1/asn1.h
stable/7/crypto/openssl/crypto/asn1/asn1_err.c
stable/7/crypto/openssl/crypto/asn1/tasn_dec.c
Changes in other areas also in this revision:
Modified:
head/crypto/openssl/crypto/asn1/asn1.h
head/crypto/openssl/crypto/asn1/asn1_err.c
head/crypto/openssl/crypto/asn1/tasn_dec.c
releng/6.3/UPDATING
releng/6.3/crypto/openssl/crypto/asn1/asn1.h
releng/6.3/crypto/openssl/crypto/asn1/asn1_err.c
releng/6.3/crypto/openssl/crypto/asn1/tasn_dec.c
releng/6.3/lib/libc/db/btree/bt_split.c
releng/6.3/lib/libc/db/hash/hash_buf.c
releng/6.3/lib/libc/db/mpool/mpool.c
releng/6.3/sys/conf/newvers.sh
releng/6.4/UPDATING
releng/6.4/crypto/openssl/crypto/asn1/asn1.h
releng/6.4/crypto/openssl/crypto/asn1/asn1_err.c
releng/6.4/crypto/openssl/crypto/asn1/tasn_dec.c
releng/6.4/lib/libc/db/btree/bt_split.c
releng/6.4/lib/libc/db/hash/hash_buf.c
releng/6.4/lib/libc/db/mpool/mpool.c
releng/6.4/sys/conf/newvers.sh
releng/7.0/UPDATING
releng/7.0/crypto/openssl/crypto/asn1/asn1.h
releng/7.0/crypto/openssl/crypto/asn1/asn1_err.c
releng/7.0/crypto/openssl/crypto/asn1/tasn_dec.c
releng/7.0/lib/libc/db/btree/bt_split.c
releng/7.0/lib/libc/db/hash/hash_buf.c
releng/7.0/lib/libc/db/mpool/mpool.c
releng/7.0/sys/conf/newvers.sh
releng/7.1/UPDATING
releng/7.1/crypto/openssl/crypto/asn1/asn1.h
releng/7.1/crypto/openssl/crypto/asn1/asn1_err.c
releng/7.1/crypto/openssl/crypto/asn1/tasn_dec.c
releng/7.1/lib/libc/db/btree/bt_split.c
releng/7.1/lib/libc/db/hash/hash_buf.c
releng/7.1/lib/libc/db/mpool/mpool.c
releng/7.1/sys/conf/newvers.sh
releng/7.2/UPDATING
releng/7.2/crypto/openssl/crypto/asn1/asn1.h
releng/7.2/crypto/openssl/crypto/asn1/asn1_err.c
releng/7.2/crypto/openssl/crypto/asn1/tasn_dec.c
stable/6/crypto/openssl/crypto/asn1/asn1.h
stable/6/crypto/openssl/crypto/asn1/asn1_err.c
stable/6/crypto/openssl/crypto/asn1/tasn_dec.c
Modified: stable/7/crypto/openssl/crypto/asn1/asn1.h
==============================================================================
--- stable/7/crypto/openssl/crypto/asn1/asn1.h Wed Apr 22 13:31:52 2009
(r191380)
+++ stable/7/crypto/openssl/crypto/asn1/asn1.h Wed Apr 22 14:07:14 2009
(r191381)
@@ -1134,6 +1134,7 @@ void ERR_load_ASN1_strings(void);
#define ASN1_R_BAD_OBJECT_HEADER 102
#define ASN1_R_BAD_PASSWORD_READ 103
#define ASN1_R_BAD_TAG 104
+#define ASN1_R_BMPSTRING_IS_WRONG_LENGTH 210
#define ASN1_R_BN_LIB 105
#define ASN1_R_BOOLEAN_IS_WRONG_LENGTH 106
#define ASN1_R_BUFFER_TOO_SMALL 107
@@ -1213,6 +1214,7 @@ void ERR_load_ASN1_strings(void);
#define ASN1_R_UNABLE_TO_DECODE_RSA_KEY 157
#define ASN1_R_UNABLE_TO_DECODE_RSA_PRIVATE_KEY 158
#define ASN1_R_UNEXPECTED_EOC 159
+#define ASN1_R_UNIVERSALSTRING_IS_WRONG_LENGTH 211
#define ASN1_R_UNKNOWN_FORMAT 160
#define ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM 161
#define ASN1_R_UNKNOWN_OBJECT_TYPE 162
Modified: stable/7/crypto/openssl/crypto/asn1/asn1_err.c
==============================================================================
--- stable/7/crypto/openssl/crypto/asn1/asn1_err.c Wed Apr 22 13:31:52
2009 (r191380)
+++ stable/7/crypto/openssl/crypto/asn1/asn1_err.c Wed Apr 22 14:07:14
2009 (r191381)
@@ -188,6 +188,7 @@ static ERR_STRING_DATA ASN1_str_reasons[
{ERR_REASON(ASN1_R_BAD_OBJECT_HEADER) ,"bad object header"},
{ERR_REASON(ASN1_R_BAD_PASSWORD_READ) ,"bad password read"},
{ERR_REASON(ASN1_R_BAD_TAG) ,"bad tag"},
+{ERR_REASON(ASN1_R_BMPSTRING_IS_WRONG_LENGTH),"bmpstring is wrong length"},
{ERR_REASON(ASN1_R_BN_LIB) ,"bn lib"},
{ERR_REASON(ASN1_R_BOOLEAN_IS_WRONG_LENGTH),"boolean is wrong length"},
{ERR_REASON(ASN1_R_BUFFER_TOO_SMALL) ,"buffer too small"},
@@ -267,6 +268,7 @@ static ERR_STRING_DATA ASN1_str_reasons[
{ERR_REASON(ASN1_R_UNABLE_TO_DECODE_RSA_KEY),"unable to decode rsa key"},
{ERR_REASON(ASN1_R_UNABLE_TO_DECODE_RSA_PRIVATE_KEY),"unable to decode rsa private
key"},
{ERR_REASON(ASN1_R_UNEXPECTED_EOC) ,"unexpected eoc"},
+{ERR_REASON(ASN1_R_UNIVERSALSTRING_IS_WRONG_LENGTH),"universalstring is wrong
length"},
{ERR_REASON(ASN1_R_UNKNOWN_FORMAT) ,"unknown format"},
{ERR_REASON(ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM),"unknown message digest
algorithm"},
{ERR_REASON(ASN1_R_UNKNOWN_OBJECT_TYPE) ,"unknown object type"},
Modified: stable/7/crypto/openssl/crypto/asn1/tasn_dec.c
==============================================================================
--- stable/7/crypto/openssl/crypto/asn1/tasn_dec.c Wed Apr 22 13:31:52
2009 (r191380)
+++ stable/7/crypto/openssl/crypto/asn1/tasn_dec.c Wed Apr 22 14:07:14
2009 (r191381)
@@ -1012,6 +1012,18 @@ int asn1_ex_c2i(ASN1_VALUE **pval, const
case V_ASN1_SET:
case V_ASN1_SEQUENCE:
default:
+ if (utype == V_ASN1_BMPSTRING && (len & 1))
+ {
+ ASN1err(ASN1_F_ASN1_EX_C2I,
+ ASN1_R_BMPSTRING_IS_WRONG_LENGTH);
+ goto err;
+ }
+ if (utype == V_ASN1_UNIVERSALSTRING && (len & 3))
+ {
+ ASN1err(ASN1_F_ASN1_EX_C2I,
+ ASN1_R_UNIVERSALSTRING_IS_WRONG_LENGTH);
+ goto err;
+ }
/* All based on ASN1_STRING and handled the same */
if (!*pval)
{
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