diff -up openssl-1.0.2k/crypto/asn1/asn1_err.c.null-dereference openssl-1.0.2k/crypto/asn1/asn1_err.c
--- openssl-1.0.2k/crypto/asn1/asn1_err.c.null-dereference 2020-12-04 10:08:08.506247597 +0100
+++ openssl-1.0.2k/crypto/asn1/asn1_err.c 2020-12-04 10:12:31.901956486 +0100
@@ -1,6 +1,6 @@
/* crypto/asn1/asn1_err.c */
/* ====================================================================
- * Copyright (c) 1999-2014 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 1999-2020 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -103,6 +103,7 @@ static ERR_STRING_DATA ASN1_str_functs[]
{ERR_FUNC(ASN1_F_ASN1_ITEM_DUP), "ASN1_item_dup"},
{ERR_FUNC(ASN1_F_ASN1_ITEM_EX_COMBINE_NEW), "ASN1_ITEM_EX_COMBINE_NEW"},
{ERR_FUNC(ASN1_F_ASN1_ITEM_EX_D2I), "ASN1_ITEM_EX_D2I"},
+ {ERR_PACK(ERR_LIB_ASN1, ASN1_F_ASN1_ITEM_EX_I2D, 0), "ASN1_item_ex_i2d"},
{ERR_FUNC(ASN1_F_ASN1_ITEM_I2D_BIO), "ASN1_item_i2d_bio"},
{ERR_FUNC(ASN1_F_ASN1_ITEM_I2D_FP), "ASN1_item_i2d_fp"},
{ERR_FUNC(ASN1_F_ASN1_ITEM_PACK), "ASN1_item_pack"},
@@ -202,6 +203,7 @@ static ERR_STRING_DATA ASN1_str_reasons[
{ERR_REASON(ASN1_R_AUX_ERROR), "aux error"},
{ERR_REASON(ASN1_R_BAD_CLASS), "bad class"},
{ERR_REASON(ASN1_R_BAD_OBJECT_HEADER), "bad object header"},
+ {ERR_PACK(ERR_LIB_ASN1, 0, ASN1_R_BAD_TEMPLATE), "bad template"},
{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),
diff -up openssl-1.0.2k/crypto/asn1/asn1.h.null-dereference openssl-1.0.2k/crypto/asn1/asn1.h
--- openssl-1.0.2k/crypto/asn1/asn1.h.null-dereference 2020-12-04 11:00:06.896637900 +0100
+++ openssl-1.0.2k/crypto/asn1/asn1.h 2020-12-04 11:04:47.079562987 +0100
@@ -1202,6 +1202,7 @@ void ERR_load_ASN1_strings(void);
# define ASN1_F_ASN1_ITEM_DUP 191
# define ASN1_F_ASN1_ITEM_EX_COMBINE_NEW 121
# define ASN1_F_ASN1_ITEM_EX_D2I 120
+# define ASN1_F_ASN1_ITEM_EX_I2D 231
# define ASN1_F_ASN1_ITEM_I2D_BIO 192
# define ASN1_F_ASN1_ITEM_I2D_FP 193
# define ASN1_F_ASN1_ITEM_PACK 198
@@ -1298,6 +1299,7 @@ void ERR_load_ASN1_strings(void);
# define ASN1_R_AUX_ERROR 100
# define ASN1_R_BAD_CLASS 101
# define ASN1_R_BAD_OBJECT_HEADER 102
+# define ASN1_R_BAD_TEMPLATE 230
# define ASN1_R_BAD_PASSWORD_READ 103
# define ASN1_R_BAD_TAG 104
# define ASN1_R_BMPSTRING_IS_WRONG_LENGTH 214
diff -up openssl-1.0.2k/crypto/asn1/tasn_dec.c.null-dereference openssl-1.0.2k/crypto/asn1/tasn_dec.c
--- openssl-1.0.2k/crypto/asn1/tasn_dec.c.null-dereference 2020-12-04 10:12:42.036057323 +0100
+++ openssl-1.0.2k/crypto/asn1/tasn_dec.c 2020-12-04 10:17:45.685035333 +0100
@@ -223,6 +223,15 @@ static int asn1_item_ex_d2i(ASN1_VALUE *
break;
case ASN1_ITYPE_MSTRING:
+ /*
+ * It never makes sense for multi-strings to have implicit tagging, so
+ * if tag != -1, then this looks like an error in the template.
+ */
+ if (tag != -1) {
+ ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_BAD_TEMPLATE);
+ goto err;
+ }
+
p = *in;
/* Just read in tag and class */
ret = asn1_check_tlen(NULL, &otag, &oclass, NULL, NULL,
@@ -240,6 +249,7 @@ static int asn1_item_ex_d2i(ASN1_VALUE *
ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_MSTRING_NOT_UNIVERSAL);
goto err;
}
+
/* Check tag matches bit map */
if (!(ASN1_tag2bit(otag) & it->utype)) {
/* If OPTIONAL, assume this is OK */
@@ -316,6 +326,15 @@ static int asn1_item_ex_d2i(ASN1_VALUE *
goto err;
case ASN1_ITYPE_CHOICE:
+ /*
+ * It never makes sense for CHOICE types to have implicit tagging, so
+ * if tag != -1, then this looks like an error in the template.
+ */
+ if (tag != -1) {
+ ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_BAD_TEMPLATE);
+ goto err;
+ }
+
if (asn1_cb && !asn1_cb(ASN1_OP_D2I_PRE, pval, it, NULL))
goto auxerr;
if (*pval) {
diff -up openssl-1.0.2k/crypto/asn1/tasn_enc.c.null-dereference openssl-1.0.2k/crypto/asn1/tasn_enc.c
--- openssl-1.0.2k/crypto/asn1/tasn_enc.c.null-dereference 2020-12-04 10:18:30.261472002 +0100
+++ openssl-1.0.2k/crypto/asn1/tasn_enc.c 2020-12-04 10:21:14.310078987 +0100
@@ -151,9 +151,25 @@ int ASN1_item_ex_i2d(ASN1_VALUE **pval,
break;
case ASN1_ITYPE_MSTRING:
+ /*
+ * It never makes sense for multi-strings to have implicit tagging, so
+ * if tag != -1, then this looks like an error in the template.
+ */
+ if (tag != -1) {
+ ASN1err(ASN1_F_ASN1_ITEM_EX_I2D, ASN1_R_BAD_TEMPLATE);
+ return -1;
+ }
return asn1_i2d_ex_primitive(pval, out, it, -1, aclass);
case ASN1_ITYPE_CHOICE:
+ /*
+ * It never makes sense for CHOICE types to have implicit tagging, so
+ * if tag != -1, then this looks like an error in the template.
+ */
+ if (tag != -1) {
+ ASN1err(ASN1_F_ASN1_ITEM_EX_I2D, ASN1_R_BAD_TEMPLATE);
+ return -1;
+ }
if (asn1_cb && !asn1_cb(ASN1_OP_I2D_PRE, pval, it, NULL))
return 0;
i = asn1_get_choice_selector(pval, it);
diff -up openssl-1.0.2k/crypto/x509v3/v3_genn.c.null-dereference openssl-1.0.2k/crypto/x509v3/v3_genn.c
--- openssl-1.0.2k/crypto/x509v3/v3_genn.c.null-dereference 2020-12-04 10:28:02.374237945 +0100
+++ openssl-1.0.2k/crypto/x509v3/v3_genn.c 2020-12-04 10:36:51.156138263 +0100
@@ -72,8 +72,9 @@ ASN1_SEQUENCE(OTHERNAME) = {
IMPLEMENT_ASN1_FUNCTIONS(OTHERNAME)
ASN1_SEQUENCE(EDIPARTYNAME) = {
- ASN1_IMP_OPT(EDIPARTYNAME, nameAssigner, DIRECTORYSTRING, 0),
- ASN1_IMP_OPT(EDIPARTYNAME, partyName, DIRECTORYSTRING, 1)
+ /* DirectoryString is a CHOICE type so use explicit tagging */
+ ASN1_EXP_OPT(EDIPARTYNAME, nameAssigner, DIRECTORYSTRING, 0),
+ ASN1_EXP(EDIPARTYNAME, partyName, DIRECTORYSTRING, 1)
} ASN1_SEQUENCE_END(EDIPARTYNAME)
IMPLEMENT_ASN1_FUNCTIONS(EDIPARTYNAME)
@@ -107,6 +108,37 @@ GENERAL_NAME *GENERAL_NAME_dup(GENERAL_N
(char *)a);
}
+static int edipartyname_cmp(const EDIPARTYNAME *a, const EDIPARTYNAME *b)
+{
+ int res;
+
+ if (a == NULL || b == NULL) {
+ /*
+ * Shouldn't be possible in a valid GENERAL_NAME, but we handle it
+ * anyway. OTHERNAME_cmp treats NULL != NULL so we do the same here
+ */
+ return -1;
+ }
+ if (a->nameAssigner == NULL && b->nameAssigner != NULL)
+ return -1;
+ if (a->nameAssigner != NULL && b->nameAssigner == NULL)
+ return 1;
+ /* If we get here then both have nameAssigner set, or both unset */
+ if (a->nameAssigner != NULL) {
+ res = ASN1_STRING_cmp(a->nameAssigner, b->nameAssigner);
+ if (res != 0)
+ return res;
+ }
+ /*
+ * partyName is required, so these should never be NULL. We treat it in
+ * the same way as the a == NULL || b == NULL case above
+ */
+ if (a->partyName == NULL || b->partyName == NULL)
+ return -1;
+
+ return ASN1_STRING_cmp(a->partyName, b->partyName);
+}
+
/* Returns 0 if they are equal, != 0 otherwise. */
int GENERAL_NAME_cmp(GENERAL_NAME *a, GENERAL_NAME *b)
{
@@ -116,8 +148,11 @@ int GENERAL_NAME_cmp(GENERAL_NAME *a, GE
return -1;
switch (a->type) {
case GEN_X400:
+ result = ASN1_TYPE_cmp(a->d.x400Address, b->d.x400Address);
+ break;
+
case GEN_EDIPARTY:
- result = ASN1_TYPE_cmp(a->d.other, b->d.other);
+ result = edipartyname_cmp(a->d.ediPartyName, b->d.ediPartyName);
break;
case GEN_OTHERNAME:
@@ -164,8 +199,11 @@ void GENERAL_NAME_set0_value(GENERAL_NAM
{
switch (type) {
case GEN_X400:
+ a->d.x400Address = value;
+ break;
+
case GEN_EDIPARTY:
- a->d.other = value;
+ a->d.ediPartyName = value;
break;
case GEN_OTHERNAME:
@@ -199,8 +237,10 @@ void *GENERAL_NAME_get0_value(GENERAL_NA
*ptype = a->type;
switch (a->type) {
case GEN_X400:
+ return a->d.x400Address;
+
case GEN_EDIPARTY:
- return a->d.other;
+ return a->d.ediPartyName;
case GEN_OTHERNAME:
return a->d.otherName;
diff -up openssl-1.0.2k/crypto/x509v3/v3nametest.c.null-dereference openssl-1.0.2k/crypto/x509v3/v3nametest.c
--- openssl-1.0.2k/crypto/x509v3/v3nametest.c.null-dereference 2020-12-04 10:28:02.374237945 +0100
+++ openssl-1.0.2k/crypto/x509v3/v3nametest.c 2020-12-04 10:36:51.156138263 +0100
@@ -321,6 +321,356 @@ static void run_cert(X509 *crt, const ch
}
}
+struct gennamedata {
+ const unsigned char der[22];
+ size_t derlen;
+} gennames[] = {
+ {
+ /*
+ * [0] {
+ * OBJECT_IDENTIFIER { 1.2.840.113554.4.1.72585.2.1 }
+ * [0] {
+ * SEQUENCE {}
+ * }
+ * }
+ */
+ {
+ 0xa0, 0x13, 0x06, 0x0d, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x12, 0x04,
+ 0x01, 0x84, 0xb7, 0x09, 0x02, 0x01, 0xa0, 0x02, 0x30, 0x00
+ },
+ 21
+ }, {
+ /*
+ * [0] {
+ * OBJECT_IDENTIFIER { 1.2.840.113554.4.1.72585.2.1 }
+ * [0] {
+ * [APPLICATION 0] {}
+ * }
+ * }
+ */
+ {
+ 0xa0, 0x13, 0x06, 0x0d, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x12, 0x04,
+ 0x01, 0x84, 0xb7, 0x09, 0x02, 0x01, 0xa0, 0x02, 0x60, 0x00
+ },
+ 21
+ }, {
+ /*
+ * [0] {
+ * OBJECT_IDENTIFIER { 1.2.840.113554.4.1.72585.2.1 }
+ * [0] {
+ * UTF8String { "a" }
+ * }
+ * }
+ */
+ {
+ 0xa0, 0x14, 0x06, 0x0d, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x12, 0x04,
+ 0x01, 0x84, 0xb7, 0x09, 0x02, 0x01, 0xa0, 0x03, 0x0c, 0x01, 0x61
+ },
+ 22
+ }, {
+ /*
+ * [0] {
+ * OBJECT_IDENTIFIER { 1.2.840.113554.4.1.72585.2.2 }
+ * [0] {
+ * UTF8String { "a" }
+ * }
+ * }
+ */
+ {
+ 0xa0, 0x14, 0x06, 0x0d, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x12, 0x04,
+ 0x01, 0x84, 0xb7, 0x09, 0x02, 0x02, 0xa0, 0x03, 0x0c, 0x01, 0x61
+ },
+ 22
+ }, {
+ /*
+ * [0] {
+ * OBJECT_IDENTIFIER { 1.2.840.113554.4.1.72585.2.1 }
+ * [0] {
+ * UTF8String { "b" }
+ * }
+ * }
+ */
+ {
+ 0xa0, 0x14, 0x06, 0x0d, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x12, 0x04,
+ 0x01, 0x84, 0xb7, 0x09, 0x02, 0x01, 0xa0, 0x03, 0x0c, 0x01, 0x62
+ },
+ 22
+ }, {
+ /*
+ * [0] {
+ * OBJECT_IDENTIFIER { 1.2.840.113554.4.1.72585.2.1 }
+ * [0] {
+ * BOOLEAN { TRUE }
+ * }
+ * }
+ */
+ {
+ 0xa0, 0x14, 0x06, 0x0d, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x12, 0x04,
+ 0x01, 0x84, 0xb7, 0x09, 0x02, 0x01, 0xa0, 0x03, 0x01, 0x01, 0xff
+ },
+ 22
+ }, {
+ /*
+ * [0] {
+ * OBJECT_IDENTIFIER { 1.2.840.113554.4.1.72585.2.1 }
+ * [0] {
+ * BOOLEAN { FALSE }
+ * }
+ * }
+ */
+ {
+ 0xa0, 0x14, 0x06, 0x0d, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x12, 0x04,
+ 0x01, 0x84, 0xb7, 0x09, 0x02, 0x01, 0xa0, 0x03, 0x01, 0x01, 0x00
+ },
+ 22
+ }, {
+ /* [1 PRIMITIVE] { "a" } */
+ {
+ 0x81, 0x01, 0x61
+ },
+ 3
+ }, {
+ /* [1 PRIMITIVE] { "b" } */
+ {
+ 0x81, 0x01, 0x62
+ },
+ 3
+ }, {
+ /* [2 PRIMITIVE] { "a" } */
+ {
+ 0x82, 0x01, 0x61
+ },
+ 3
+ }, {
+ /* [2 PRIMITIVE] { "b" } */
+ {
+ 0x82, 0x01, 0x62
+ },
+ 3
+ }, {
+ /*
+ * [4] {
+ * SEQUENCE {
+ * SET {
+ * SEQUENCE {
+ * # commonName
+ * OBJECT_IDENTIFIER { 2.5.4.3 }
+ * UTF8String { "a" }
+ * }
+ * }
+ * }
+ * }
+ */
+ {
+ 0xa4, 0x0e, 0x30, 0x0c, 0x31, 0x0a, 0x30, 0x08, 0x06, 0x03, 0x55,
+ 0x04, 0x03, 0x0c, 0x01, 0x61
+ },
+ 16
+ }, {
+ /*
+ * [4] {
+ * SEQUENCE {
+ * SET {
+ * SEQUENCE {
+ * # commonName
+ * OBJECT_IDENTIFIER { 2.5.4.3 }
+ * UTF8String { "b" }
+ * }
+ * }
+ * }
+ * }
+ */
+ {
+ 0xa4, 0x0e, 0x30, 0x0c, 0x31, 0x0a, 0x30, 0x08, 0x06, 0x03, 0x55,
+ 0x04, 0x03, 0x0c, 0x01, 0x62
+ },
+ 16
+ }, {
+ /*
+ * [5] {
+ * [1] {
+ * UTF8String { "a" }
+ * }
+ * }
+ */
+ {
+ 0xa5, 0x05, 0xa1, 0x03, 0x0c, 0x01, 0x61
+ },
+ 7
+ }, {
+ /*
+ * [5] {
+ * [1] {
+ * UTF8String { "b" }
+ * }
+ * }
+ */
+ {
+ 0xa5, 0x05, 0xa1, 0x03, 0x0c, 0x01, 0x62
+ },
+ 7
+ }, {
+ /*
+ * [5] {
+ * [0] {
+ * UTF8String {}
+ * }
+ * [1] {
+ * UTF8String { "a" }
+ * }
+ * }
+ */
+ {
+ 0xa5, 0x09, 0xa0, 0x02, 0x0c, 0x00, 0xa1, 0x03, 0x0c, 0x01, 0x61
+ },
+ 11
+ }, {
+ /*
+ * [5] {
+ * [0] {
+ * UTF8String { "a" }
+ * }
+ * [1] {
+ * UTF8String { "a" }
+ * }
+ * }
+ */
+ {
+ 0xa5, 0x0a, 0xa0, 0x03, 0x0c, 0x01, 0x61, 0xa1, 0x03, 0x0c, 0x01,
+ 0x61
+ },
+ 12
+ }, {
+ /*
+ * [5] {
+ * [0] {
+ * UTF8String { "b" }
+ * }
+ * [1] {
+ * UTF8String { "a" }
+ * }
+ * }
+ */
+ {
+ 0xa5, 0x0a, 0xa0, 0x03, 0x0c, 0x01, 0x62, 0xa1, 0x03, 0x0c, 0x01,
+ 0x61
+ },
+ 12
+ }, {
+ /* [6 PRIMITIVE] { "a" } */
+ {
+ 0x86, 0x01, 0x61
+ },
+ 3
+ }, {
+ /* [6 PRIMITIVE] { "b" } */
+ {
+ 0x86, 0x01, 0x62
+ },
+ 3
+ }, {
+ /* [7 PRIMITIVE] { `11111111` } */
+ {
+ 0x87, 0x04, 0x11, 0x11, 0x11, 0x11
+ },
+ 6
+ }, {
+ /* [7 PRIMITIVE] { `22222222`} */
+ {
+ 0x87, 0x04, 0x22, 0x22, 0x22, 0x22
+ },
+ 6
+ }, {
+ /* [7 PRIMITIVE] { `11111111111111111111111111111111` } */
+ {
+ 0x87, 0x10, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
+ 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11
+ },
+ 18
+ }, {
+ /* [7 PRIMITIVE] { `22222222222222222222222222222222` } */
+ {
+ 0x87, 0x10, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22,
+ 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22
+ },
+ 18
+ }, {
+ /* [8 PRIMITIVE] { 1.2.840.113554.4.1.72585.2.1 } */
+ {
+ 0x88, 0x0d, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x12, 0x04, 0x01, 0x84,
+ 0xb7, 0x09, 0x02, 0x01
+ },
+ 15
+ }, {
+ /* [8 PRIMITIVE] { 1.2.840.113554.4.1.72585.2.2 } */
+ {
+ 0x88, 0x0d, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x12, 0x04, 0x01, 0x84,
+ 0xb7, 0x09, 0x02, 0x02
+ },
+ 15
+ }
+};
+
+#define OSSL_NELEM(x) (sizeof(x)/sizeof((x)[0]))
+
+static int test_GENERAL_NAME_cmp(void)
+{
+ size_t i, j;
+ GENERAL_NAME **namesa = OPENSSL_malloc(sizeof(*namesa)
+ * OSSL_NELEM(gennames));
+ GENERAL_NAME **namesb = OPENSSL_malloc(sizeof(*namesb)
+ * OSSL_NELEM(gennames));
+ int testresult = 0;
+
+ if (namesa == NULL || namesb == NULL)
+ goto end;
+
+ for (i = 0; i < OSSL_NELEM(gennames); i++) {
+ const unsigned char *derp = gennames[i].der;
+
+ /*
+ * We create two versions of each GENERAL_NAME so that we ensure when
+ * we compare them they are always different pointers.
+ */
+ namesa[i] = d2i_GENERAL_NAME(NULL, &derp, gennames[i].derlen);
+ derp = gennames[i].der;
+ namesb[i] = d2i_GENERAL_NAME(NULL, &derp, gennames[i].derlen);
+ if (namesa[i] == NULL || namesb[i] == NULL)
+ goto end;
+ }
+
+ /* Every name should be equal to itself and not equal to any others. */
+ for (i = 0; i < OSSL_NELEM(gennames); i++) {
+ for (j = 0; j < OSSL_NELEM(gennames); j++) {
+ if (i == j) {
+ if (GENERAL_NAME_cmp(namesa[i], namesb[j]) != 0)
+ goto end;
+ } else {
+ if (GENERAL_NAME_cmp(namesa[i], namesb[j]) == 0)
+ goto end;
+ }
+ }
+ }
+ testresult = 1;
+
+ end:
+ for (i = 0; i < OSSL_NELEM(gennames); i++) {
+ if (namesa != NULL)
+ GENERAL_NAME_free(namesa[i]);
+ if (namesb != NULL)
+ GENERAL_NAME_free(namesb[i]);
+ }
+ OPENSSL_free(namesa);
+ OPENSSL_free(namesb);
+
+ if (!testresult)
+ fprintf(stderr, "test of GENERAL_NAME_cmp failed\n");
+
+ return testresult;
+}
+
+
+
int main(void)
{
const struct set_name_fn *pfn = name_fns;
@@ -342,5 +692,8 @@ int main(void)
}
++pfn;
}
+
+ errors += !test_GENERAL_NAME_cmp();
+
return errors > 0 ? 1 : 0;
}