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-rw-r--r--debian/patches/0505-fix_CVE-2020-5208.patch299
1 files changed, 299 insertions, 0 deletions
diff --git a/debian/patches/0505-fix_CVE-2020-5208.patch b/debian/patches/0505-fix_CVE-2020-5208.patch
new file mode 100644
index 0000000..1295180
--- /dev/null
+++ b/debian/patches/0505-fix_CVE-2020-5208.patch
@@ -0,0 +1,299 @@
+Description: Fix CVE-2020-5208
+Origin: backport from
+ https://github.com/ipmitool/ipmitool/commit/e824c23316ae50beb7f7488f2055ac65e8b341f2
+ https://github.com/ipmitool/ipmitool/commit/840fb1cbb4fb365cb9797300e3374d4faefcdb10
+ https://github.com/ipmitool/ipmitool/commit/41d7026946fafbd4d1ec0bcaca3ea30a6e8eed22
+ https://github.com/ipmitool/ipmitool/commit/9452be87181a6e83cfcc768b3ed8321763db50e4
+ https://github.com/ipmitool/ipmitool/commit/d45572d71e70840e0d4c50bf48218492b79c1a10
+ https://github.com/ipmitool/ipmitool/commit/7ccea283dd62a05a320c1921e3d8d71a87772637
+Bug: https://github.com/ipmitool/ipmitool/security/advisories/GHSA-g659-9qxw-p7cp
+Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=950761
+Forwarded: not-needed
+Last-Update: 2021-01-03
+---
+This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
+Index: trunk/lib/ipmi_fru.c
+===================================================================
+--- trunk.orig/lib/ipmi_fru.c
++++ trunk/lib/ipmi_fru.c
+@@ -615,7 +615,10 @@ int
+ read_fru_area(struct ipmi_intf * intf, struct fru_info *fru, uint8_t id,
+ uint32_t offset, uint32_t length, uint8_t *frubuf)
+ {
+- uint32_t off = offset, tmp, finish;
++ uint32_t off = offset;
++ uint32_t tmp;
++ uint32_t finish;
++ uint32_t size_left_in_buffer;
+ struct ipmi_rs * rsp;
+ struct ipmi_rq req;
+ uint8_t msg_data[4];
+@@ -628,10 +631,12 @@ read_fru_area(struct ipmi_intf * intf, s
+
+ finish = offset + length;
+ if (finish > fru->size) {
++ memset(frubuf + fru->size, 0, length - fru->size);
+ finish = fru->size;
+ lprintf(LOG_NOTICE, "Read FRU Area length %d too large, "
+ "Adjusting to %d",
+ offset + length, finish - offset);
++ length = finish - offset;
+ }
+
+ memset(&req, 0, sizeof(req));
+@@ -667,6 +672,7 @@ read_fru_area(struct ipmi_intf * intf, s
+ }
+ }
+
++ size_left_in_buffer = length;
+ do {
+ tmp = fru->access ? off >> 1 : off;
+ msg_data[0] = id;
+@@ -707,9 +713,18 @@ read_fru_area(struct ipmi_intf * intf, s
+ }
+
+ tmp = fru->access ? rsp->data[0] << 1 : rsp->data[0];
++ if(rsp->data_len < 1
++ || tmp > rsp->data_len - 1
++ || tmp > size_left_in_buffer)
++ {
++ printf(" Not enough buffer size");
++ return -1;
++ }
++
+ memcpy(frubuf, rsp->data + 1, tmp);
+ off += tmp;
+ frubuf += tmp;
++ size_left_in_buffer -= tmp;
+ /* sometimes the size returned in the Info command
+ * is too large. return 0 so higher level function
+ * still attempts to parse what was returned */
+@@ -742,7 +757,9 @@ read_fru_area_section(struct ipmi_intf *
+ uint32_t offset, uint32_t length, uint8_t *frubuf)
+ {
+ static uint32_t fru_data_rqst_size = 20;
+- uint32_t off = offset, tmp, finish;
++ uint32_t off = offset;
++ uint32_t tmp, finish;
++ uint32_t size_left_in_buffer;
+ struct ipmi_rs * rsp;
+ struct ipmi_rq req;
+ uint8_t msg_data[4];
+@@ -755,10 +772,12 @@ read_fru_area_section(struct ipmi_intf *
+
+ finish = offset + length;
+ if (finish > fru->size) {
++ memset(frubuf + fru->size, 0, length - fru->size);
+ finish = fru->size;
+ lprintf(LOG_NOTICE, "Read FRU Area length %d too large, "
+ "Adjusting to %d",
+ offset + length, finish - offset);
++ length = finish - offset;
+ }
+
+ memset(&req, 0, sizeof(req));
+@@ -773,6 +792,8 @@ read_fru_area_section(struct ipmi_intf *
+ if (fru->access && fru_data_rqst_size > 16)
+ #endif
+ fru_data_rqst_size = 16;
++
++ size_left_in_buffer = length;
+ do {
+ tmp = fru->access ? off >> 1 : off;
+ msg_data[0] = id;
+@@ -804,8 +825,16 @@ read_fru_area_section(struct ipmi_intf *
+ }
+
+ tmp = fru->access ? rsp->data[0] << 1 : rsp->data[0];
++ if(rsp->data_len < 1
++ || tmp > rsp->data_len - 1
++ || tmp > size_left_in_buffer)
++ {
++ printf(" Not enough buffer size");
++ return -1;
++ }
+ memcpy((frubuf + off)-offset, rsp->data + 1, tmp);
+ off += tmp;
++ size_left_in_buffer -= tmp;
+
+ /* sometimes the size returned in the Info command
+ * is too large. return 0 so higher level function
+@@ -3033,7 +3062,7 @@ ipmi_fru_print(struct ipmi_intf * intf,
+ return 0;
+
+ memset(desc, 0, sizeof(desc));
+- memcpy(desc, fru->id_string, fru->id_code & 0x01f);
++ memcpy(desc, fru->id_string, __min(fru->id_code & 0x01f, sizeof(desc)));
+ desc[fru->id_code & 0x01f] = 0;
+ printf("FRU Device Description : %s (ID %d)\n", desc, fru->device_id);
+
+Index: trunk/lib/ipmi_sdr.c
+===================================================================
+--- trunk.orig/lib/ipmi_sdr.c
++++ trunk/lib/ipmi_sdr.c
+@@ -2084,7 +2084,7 @@ ipmi_sdr_print_sensor_eventonly(struct i
+ return -1;
+
+ memset(desc, 0, sizeof (desc));
+- snprintf(desc, (sensor->id_code & 0x1f) + 1, "%s", sensor->id_string);
++ snprintf(desc, sizeof(desc), "%.*s", (sensor->id_code & 0x1f) + 1, sensor->id_string);
+
+ if (verbose) {
+ printf("Sensor ID : %s (0x%x)\n",
+@@ -2135,7 +2135,7 @@ ipmi_sdr_print_sensor_mc_locator(struct
+ return -1;
+
+ memset(desc, 0, sizeof (desc));
+- snprintf(desc, (mc->id_code & 0x1f) + 1, "%s", mc->id_string);
++ snprintf(desc, sizeof(desc), "%.*s", (mc->id_code & 0x1f) + 1, mc->id_string);
+
+ if (verbose == 0) {
+ if (csv_output)
+@@ -2228,7 +2228,7 @@ ipmi_sdr_print_sensor_generic_locator(st
+ char desc[17];
+
+ memset(desc, 0, sizeof (desc));
+- snprintf(desc, (dev->id_code & 0x1f) + 1, "%s", dev->id_string);
++ snprintf(desc, sizeof(desc), "%.*s", (dev->id_code & 0x1f) + 1, dev->id_string);
+
+ if (!verbose) {
+ if (csv_output)
+@@ -2285,7 +2285,7 @@ ipmi_sdr_print_sensor_fru_locator(struct
+ char desc[17];
+
+ memset(desc, 0, sizeof (desc));
+- snprintf(desc, (fru->id_code & 0x1f) + 1, "%s", fru->id_string);
++ snprintf(desc, sizeof(desc), "%.*s", (fru->id_code & 0x1f) + 1, fru->id_string);
+
+ if (!verbose) {
+ if (csv_output)
+@@ -2489,35 +2489,43 @@ ipmi_sdr_print_name_from_rawentry(struct
+
+ int rc =0;
+ char desc[17];
++ const char *id_string;
++ uint8_t id_code;
+ memset(desc, ' ', sizeof (desc));
+
+ switch ( type) {
+ case SDR_RECORD_TYPE_FULL_SENSOR:
+ record.full = (struct sdr_record_full_sensor *) raw;
+- snprintf(desc, (record.full->id_code & 0x1f) +1, "%s",
+- (const char *)record.full->id_string);
++ id_code = record.full->id_code;
++ id_string = record.full->id_string;
+ break;
++
+ case SDR_RECORD_TYPE_COMPACT_SENSOR:
+ record.compact = (struct sdr_record_compact_sensor *) raw ;
+- snprintf(desc, (record.compact->id_code & 0x1f) +1, "%s",
+- (const char *)record.compact->id_string);
++ id_code = record.compact->id_code;
++ id_string = record.compact->id_string;
+ break;
++
+ case SDR_RECORD_TYPE_EVENTONLY_SENSOR:
+ record.eventonly = (struct sdr_record_eventonly_sensor *) raw ;
+- snprintf(desc, (record.eventonly->id_code & 0x1f) +1, "%s",
+- (const char *)record.eventonly->id_string);
+- break;
++ id_code = record.eventonly->id_code;
++ id_string = record.eventonly->id_string;
++ break;
++
+ case SDR_RECORD_TYPE_MC_DEVICE_LOCATOR:
+ record.mcloc = (struct sdr_record_mc_locator *) raw ;
+- snprintf(desc, (record.mcloc->id_code & 0x1f) +1, "%s",
+- (const char *)record.mcloc->id_string);
++ id_code = record.mcloc->id_code;
++ id_string = record.mcloc->id_string;
+ break;
++
+ default:
+ rc = -1;
+- break;
+- }
++ }
++ if (!rc) {
++ snprintf(desc, sizeof(desc), "%.*s", (id_code & 0x1f) + 1, id_string);
++ }
+
+- lprintf(LOG_INFO, "ID: 0x%04x , NAME: %-16s", id, desc);
++ lprintf(LOG_INFO, "ID: 0x%04x , NAME: %-16s", id, desc);
+ return rc;
+ }
+
+Index: trunk/lib/ipmi_channel.c
+===================================================================
+--- trunk.orig/lib/ipmi_channel.c
++++ trunk/lib/ipmi_channel.c
+@@ -378,7 +378,10 @@ ipmi_get_channel_cipher_suites(struct ip
+ lprintf(LOG_ERR, "Unable to Get Channel Cipher Suites");
+ return -1;
+ }
+- if (rsp->ccode > 0) {
++ if (rsp->ccode
++ || rsp->data_len < 1
++ || rsp->data_len > sizeof(uint8_t) + MAX_CIPHER_SUITE_DATA_LEN)
++ {
+ lprintf(LOG_ERR, "Get Channel Cipher Suites failed: %s",
+ val2str(rsp->ccode, completion_code_vals));
+ return -1;
+Index: trunk/lib/ipmi_session.c
+===================================================================
+--- trunk.orig/lib/ipmi_session.c
++++ trunk/lib/ipmi_session.c
+@@ -309,8 +309,10 @@ ipmi_get_session_info(struct ipmi_intf
+ }
+ else
+ {
+- memcpy(&session_info, rsp->data, rsp->data_len);
+- print_session_info(&session_info, rsp->data_len);
++ memcpy(&session_info, rsp->data,
++ __min(rsp->data_len, sizeof(session_info)));
++ print_session_info(&session_info,
++ __min(rsp->data_len, sizeof(session_info)));
+ }
+ break;
+
+@@ -341,9 +343,10 @@ ipmi_get_session_info(struct ipmi_intf
+ break;
+ }
+
+- memcpy(&session_info, rsp->data, rsp->data_len);
+- print_session_info(&session_info, rsp->data_len);
+-
++ memcpy(&session_info, rsp->data,
++ __min(rsp->data_len, sizeof(session_info)));
++ print_session_info(&session_info,
++ __min(rsp->data_len, sizeof(session_info)));
+ } while (i <= session_info.session_slot_count);
+ break;
+ }
+Index: trunk/lib/dimm_spd.c
+===================================================================
+--- trunk.orig/lib/dimm_spd.c
++++ trunk/lib/dimm_spd.c
+@@ -1621,7 +1621,7 @@ ipmi_spd_print_fru(struct ipmi_intf * in
+ struct ipmi_rq req;
+ struct fru_info fru;
+ uint8_t *spd_data, msg_data[4];
+- int len, offset;
++ uint32_t len, offset;
+
+ msg_data[0] = id;
+
+@@ -1697,6 +1697,13 @@ ipmi_spd_print_fru(struct ipmi_intf * in
+ }
+
+ len = rsp->data[0];
++ if(rsp->data_len < 1
++ || len > rsp->data_len - 1
++ || len > fru.size - offset)
++ {
++ printf(" Not enough buffer size");
++ return -1;
++ }
+ memcpy(&spd_data[offset], rsp->data + 1, len);
+ offset += len;
+ } while (offset < fru.size);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-13 15:51:40 +0000