640e6f3b3b
It fixes many buffer overflow in different protocol parsers, but none of them are critical, even in absense of Capsicum. Security: CVE-2016-7922, CVE-2016-7923, CVE-2016-7924, CVE-2016-7925 Security: CVE-2016-7926, CVE-2016-7927, CVE-2016-7928, CVE-2016-7929 Security: CVE-2016-7930, CVE-2016-7931, CVE-2016-7932, CVE-2016-7933 Security: CVE-2016-7934, CVE-2016-7935, CVE-2016-7936, CVE-2016-7937 Security: CVE-2016-7938, CVE-2016-7939, CVE-2016-7940, CVE-2016-7973 Security: CVE-2016-7974, CVE-2016-7975, CVE-2016-7983, CVE-2016-7984 Security: CVE-2016-7985, CVE-2016-7986, CVE-2016-7992, CVE-2016-7993 Security: CVE-2016-8574, CVE-2016-8575, CVE-2017-5202, CVE-2017-5203 Security: CVE-2017-5204, CVE-2017-5205, CVE-2017-5341, CVE-2017-5342 Security: CVE-2017-5482, CVE-2017-5483, CVE-2017-5484, CVE-2017-5485 Security: CVE-2017-5486
340 lines
11 KiB
C
340 lines
11 KiB
C
/* Copyright (c) 2013, The TCPDUMP project
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
|
|
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
/* \summary: Message Transfer Part 3 (MTP3) User Adaptation Layer (M3UA) printer */
|
|
|
|
/* RFC 4666 */
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <netdissect-stdinc.h>
|
|
|
|
#include "netdissect.h"
|
|
#include "extract.h"
|
|
|
|
static const char tstr[] = " [|m3ua]";
|
|
|
|
#define M3UA_REL_1_0 1
|
|
|
|
struct m3ua_common_header {
|
|
uint8_t v;
|
|
uint8_t reserved;
|
|
uint8_t msg_class;
|
|
uint8_t msg_type;
|
|
uint32_t len;
|
|
};
|
|
|
|
struct m3ua_param_header {
|
|
uint16_t tag;
|
|
uint16_t len;
|
|
};
|
|
|
|
/* message classes */
|
|
#define M3UA_MSGC_MGMT 0
|
|
#define M3UA_MSGC_TRANSFER 1
|
|
#define M3UA_MSGC_SSNM 2
|
|
#define M3UA_MSGC_ASPSM 3
|
|
#define M3UA_MSGC_ASPTM 4
|
|
/* reserved values */
|
|
#define M3UA_MSGC_RKM 9
|
|
|
|
static const struct tok MessageClasses[] = {
|
|
{ M3UA_MSGC_MGMT, "Management" },
|
|
{ M3UA_MSGC_TRANSFER, "Transfer" },
|
|
{ M3UA_MSGC_SSNM, "SS7" },
|
|
{ M3UA_MSGC_ASPSM, "ASP" },
|
|
{ M3UA_MSGC_ASPTM, "ASP" },
|
|
{ M3UA_MSGC_RKM, "Routing Key Managment" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* management messages */
|
|
#define M3UA_MGMT_ERROR 0
|
|
#define M3UA_MGMT_NOTIFY 1
|
|
|
|
static const struct tok MgmtMessages[] = {
|
|
{ M3UA_MGMT_ERROR, "Error" },
|
|
{ M3UA_MGMT_NOTIFY, "Notify" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* transfer messages */
|
|
#define M3UA_TRANSFER_DATA 1
|
|
|
|
static const struct tok TransferMessages[] = {
|
|
{ M3UA_TRANSFER_DATA, "Data" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* SS7 Signaling Network Management messages */
|
|
#define M3UA_SSNM_DUNA 1
|
|
#define M3UA_SSNM_DAVA 2
|
|
#define M3UA_SSNM_DAUD 3
|
|
#define M3UA_SSNM_SCON 4
|
|
#define M3UA_SSNM_DUPU 5
|
|
#define M3UA_SSNM_DRST 6
|
|
|
|
static const struct tok SS7Messages[] = {
|
|
{ M3UA_SSNM_DUNA, "Destination Unavailable" },
|
|
{ M3UA_SSNM_DAVA, "Destination Available" },
|
|
{ M3UA_SSNM_DAUD, "Destination State Audit" },
|
|
{ M3UA_SSNM_SCON, "Signalling Congestion" },
|
|
{ M3UA_SSNM_DUPU, "Destination User Part Unavailable" },
|
|
{ M3UA_SSNM_DRST, "Destination Restricted" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* ASP State Maintenance messages */
|
|
#define M3UA_ASP_UP 1
|
|
#define M3UA_ASP_DN 2
|
|
#define M3UA_ASP_BEAT 3
|
|
#define M3UA_ASP_UP_ACK 4
|
|
#define M3UA_ASP_DN_ACK 5
|
|
#define M3UA_ASP_BEAT_ACK 6
|
|
|
|
static const struct tok ASPStateMessages[] = {
|
|
{ M3UA_ASP_UP, "Up" },
|
|
{ M3UA_ASP_DN, "Down" },
|
|
{ M3UA_ASP_BEAT, "Heartbeat" },
|
|
{ M3UA_ASP_UP_ACK, "Up Acknowledgement" },
|
|
{ M3UA_ASP_DN_ACK, "Down Acknowledgement" },
|
|
{ M3UA_ASP_BEAT_ACK, "Heartbeat Acknowledgement" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* ASP Traffic Maintenance messages */
|
|
#define M3UA_ASP_AC 1
|
|
#define M3UA_ASP_IA 2
|
|
#define M3UA_ASP_AC_ACK 3
|
|
#define M3UA_ASP_IA_ACK 4
|
|
|
|
static const struct tok ASPTrafficMessages[] = {
|
|
{ M3UA_ASP_AC, "Active" },
|
|
{ M3UA_ASP_IA, "Inactive" },
|
|
{ M3UA_ASP_AC_ACK, "Active Acknowledgement" },
|
|
{ M3UA_ASP_IA_ACK, "Inactive Acknowledgement" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* Routing Key Management messages */
|
|
#define M3UA_RKM_REQ 1
|
|
#define M3UA_RKM_RSP 2
|
|
#define M3UA_RKM_DEREQ 3
|
|
#define M3UA_RKM_DERSP 4
|
|
|
|
static const struct tok RoutingKeyMgmtMessages[] = {
|
|
{ M3UA_RKM_REQ, "Registration Request" },
|
|
{ M3UA_RKM_RSP, "Registration Response" },
|
|
{ M3UA_RKM_DEREQ, "Deregistration Request" },
|
|
{ M3UA_RKM_DERSP, "Deregistration Response" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* M3UA Parameters */
|
|
#define M3UA_PARAM_INFO 0x0004
|
|
#define M3UA_PARAM_ROUTING_CTX 0x0006
|
|
#define M3UA_PARAM_DIAGNOSTIC 0x0007
|
|
#define M3UA_PARAM_HB_DATA 0x0009
|
|
#define M3UA_PARAM_TRAFFIC_MODE_TYPE 0x000b
|
|
#define M3UA_PARAM_ERROR_CODE 0x000c
|
|
#define M3UA_PARAM_STATUS 0x000d
|
|
#define M3UA_PARAM_ASP_ID 0x0011
|
|
#define M3UA_PARAM_AFFECTED_POINT_CODE 0x0012
|
|
#define M3UA_PARAM_CORR_ID 0x0013
|
|
|
|
#define M3UA_PARAM_NETWORK_APPEARANCE 0x0200
|
|
#define M3UA_PARAM_USER 0x0204
|
|
#define M3UA_PARAM_CONGESTION_INDICATION 0x0205
|
|
#define M3UA_PARAM_CONCERNED_DST 0x0206
|
|
#define M3UA_PARAM_ROUTING_KEY 0x0207
|
|
#define M3UA_PARAM_REG_RESULT 0x0208
|
|
#define M3UA_PARAM_DEREG_RESULT 0x0209
|
|
#define M3UA_PARAM_LOCAL_ROUTING_KEY_ID 0x020a
|
|
#define M3UA_PARAM_DST_POINT_CODE 0x020b
|
|
#define M3UA_PARAM_SI 0x020c
|
|
#define M3UA_PARAM_ORIGIN_POINT_CODE_LIST 0x020e
|
|
#define M3UA_PARAM_PROTO_DATA 0x0210
|
|
#define M3UA_PARAM_REG_STATUS 0x0212
|
|
#define M3UA_PARAM_DEREG_STATUS 0x0213
|
|
|
|
static const struct tok ParamName[] = {
|
|
{ M3UA_PARAM_INFO, "INFO String" },
|
|
{ M3UA_PARAM_ROUTING_CTX, "Routing Context" },
|
|
{ M3UA_PARAM_DIAGNOSTIC, "Diagnostic Info" },
|
|
{ M3UA_PARAM_HB_DATA, "Heartbeat Data" },
|
|
{ M3UA_PARAM_TRAFFIC_MODE_TYPE, "Traffic Mode Type" },
|
|
{ M3UA_PARAM_ERROR_CODE, "Error Code" },
|
|
{ M3UA_PARAM_STATUS, "Status" },
|
|
{ M3UA_PARAM_ASP_ID, "ASP Identifier" },
|
|
{ M3UA_PARAM_AFFECTED_POINT_CODE, "Affected Point Code" },
|
|
{ M3UA_PARAM_CORR_ID, "Correlation ID" },
|
|
{ M3UA_PARAM_NETWORK_APPEARANCE, "Network Appearance" },
|
|
{ M3UA_PARAM_USER, "User/Cause" },
|
|
{ M3UA_PARAM_CONGESTION_INDICATION, "Congestion Indications" },
|
|
{ M3UA_PARAM_CONCERNED_DST, "Concerned Destination" },
|
|
{ M3UA_PARAM_ROUTING_KEY, "Routing Key" },
|
|
{ M3UA_PARAM_REG_RESULT, "Registration Result" },
|
|
{ M3UA_PARAM_DEREG_RESULT, "Deregistration Result" },
|
|
{ M3UA_PARAM_LOCAL_ROUTING_KEY_ID, "Local Routing Key Identifier" },
|
|
{ M3UA_PARAM_DST_POINT_CODE, "Destination Point Code" },
|
|
{ M3UA_PARAM_SI, "Service Indicators" },
|
|
{ M3UA_PARAM_ORIGIN_POINT_CODE_LIST, "Originating Point Code List" },
|
|
{ M3UA_PARAM_PROTO_DATA, "Protocol Data" },
|
|
{ M3UA_PARAM_REG_STATUS, "Registration Status" },
|
|
{ M3UA_PARAM_DEREG_STATUS, "Deregistration Status" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static void
|
|
tag_value_print(netdissect_options *ndo,
|
|
const u_char *buf, const uint16_t tag, const uint16_t size)
|
|
{
|
|
switch (tag) {
|
|
case M3UA_PARAM_NETWORK_APPEARANCE:
|
|
case M3UA_PARAM_ROUTING_CTX:
|
|
case M3UA_PARAM_CORR_ID:
|
|
/* buf and size don't include the header */
|
|
if (size < 4)
|
|
goto invalid;
|
|
ND_TCHECK2(*buf, size);
|
|
ND_PRINT((ndo, "0x%08x", EXTRACT_32BITS(buf)));
|
|
break;
|
|
/* ... */
|
|
default:
|
|
ND_PRINT((ndo, "(length %u)", size + (u_int)sizeof(struct m3ua_param_header)));
|
|
ND_TCHECK2(*buf, size);
|
|
}
|
|
return;
|
|
|
|
invalid:
|
|
ND_PRINT((ndo, "%s", istr));
|
|
ND_TCHECK2(*buf, size);
|
|
return;
|
|
trunc:
|
|
ND_PRINT((ndo, "%s", tstr));
|
|
}
|
|
|
|
/*
|
|
* 0 1 2 3
|
|
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Parameter Tag | Parameter Length |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* \ \
|
|
* / Parameter Value /
|
|
* \ \
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
*/
|
|
static void
|
|
m3ua_tags_print(netdissect_options *ndo,
|
|
const u_char *buf, const u_int size)
|
|
{
|
|
const u_char *p = buf;
|
|
int align;
|
|
uint16_t hdr_tag;
|
|
uint16_t hdr_len;
|
|
|
|
while (p < buf + size) {
|
|
if (p + sizeof(struct m3ua_param_header) > buf + size)
|
|
goto invalid;
|
|
ND_TCHECK2(*p, sizeof(struct m3ua_param_header));
|
|
/* Parameter Tag */
|
|
hdr_tag = EXTRACT_16BITS(p);
|
|
ND_PRINT((ndo, "\n\t\t\t%s: ", tok2str(ParamName, "Unknown Parameter (0x%04x)", hdr_tag)));
|
|
/* Parameter Length */
|
|
hdr_len = EXTRACT_16BITS(p + 2);
|
|
if (hdr_len < sizeof(struct m3ua_param_header))
|
|
goto invalid;
|
|
/* Parameter Value */
|
|
align = (p + hdr_len - buf) % 4;
|
|
align = align ? 4 - align : 0;
|
|
ND_TCHECK2(*p, hdr_len + align);
|
|
tag_value_print(ndo, p, hdr_tag, hdr_len - sizeof(struct m3ua_param_header));
|
|
p += hdr_len + align;
|
|
}
|
|
return;
|
|
|
|
invalid:
|
|
ND_PRINT((ndo, "%s", istr));
|
|
ND_TCHECK2(*buf, size);
|
|
return;
|
|
trunc:
|
|
ND_PRINT((ndo, "%s", tstr));
|
|
}
|
|
|
|
/*
|
|
* 0 1 2 3
|
|
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Version | Reserved | Message Class | Message Type |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | Message Length |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* \ \
|
|
* / /
|
|
*/
|
|
void
|
|
m3ua_print(netdissect_options *ndo,
|
|
const u_char *buf, const u_int size)
|
|
{
|
|
const struct m3ua_common_header *hdr = (const struct m3ua_common_header *) buf;
|
|
const struct tok *dict;
|
|
|
|
/* size includes the header */
|
|
if (size < sizeof(struct m3ua_common_header))
|
|
goto invalid;
|
|
ND_TCHECK(*hdr);
|
|
if (hdr->v != M3UA_REL_1_0)
|
|
return;
|
|
|
|
dict =
|
|
hdr->msg_class == M3UA_MSGC_MGMT ? MgmtMessages :
|
|
hdr->msg_class == M3UA_MSGC_TRANSFER ? TransferMessages :
|
|
hdr->msg_class == M3UA_MSGC_SSNM ? SS7Messages :
|
|
hdr->msg_class == M3UA_MSGC_ASPSM ? ASPStateMessages :
|
|
hdr->msg_class == M3UA_MSGC_ASPTM ? ASPTrafficMessages :
|
|
hdr->msg_class == M3UA_MSGC_RKM ? RoutingKeyMgmtMessages :
|
|
NULL;
|
|
|
|
ND_PRINT((ndo, "\n\t\t%s", tok2str(MessageClasses, "Unknown message class %i", hdr->msg_class)));
|
|
if (dict != NULL)
|
|
ND_PRINT((ndo, " %s Message", tok2str(dict, "Unknown (0x%02x)", hdr->msg_type)));
|
|
|
|
if (size != EXTRACT_32BITS(&hdr->len))
|
|
ND_PRINT((ndo, "\n\t\t\t@@@@@@ Corrupted length %u of message @@@@@@", EXTRACT_32BITS(&hdr->len)));
|
|
else
|
|
m3ua_tags_print(ndo, buf + sizeof(struct m3ua_common_header), EXTRACT_32BITS(&hdr->len) - sizeof(struct m3ua_common_header));
|
|
return;
|
|
|
|
invalid:
|
|
ND_PRINT((ndo, "%s", istr));
|
|
ND_TCHECK2(*buf, size);
|
|
return;
|
|
trunc:
|
|
ND_PRINT((ndo, "%s", tstr));
|
|
}
|
|
|