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Date: Fri, 11 Jan 2019 23:43:46 +0530
From: Dhiraj Mishra <mishra.dhiraj95@...il.com>
To: oss-security@...ts.openwall.com
Subject: Memory leak in libiec61850 protocol
Hi List,
## Summary:
An issue has been found in libIEC61850 v1.3.1. Memory_malloc in
hal/memory/lib_memory.c has a memory leak when called from
Asn1PrimitiveValue_create in mms/asn1/asn1_ber_primitive_value.c, as
demonstrated by goose_publisher_example.c and iec61850_9_2_LE_example.c.
## Snip code from goose_publisher_example.c#L30 :
LinkedList_add(dataSetValues, MmsValue_newIntegerFromInt32(1234));
LinkedList_add(dataSetValues, MmsValue_newBinaryTime(false));
LinkedList_add(dataSetValues, MmsValue_newIntegerFromInt32(5678));
## Memory leak:
==1276==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 10 byte(s) in 1 object(s) allocated from:
#0 0x7f98bdabdb50 in __interceptor_malloc
(/usr/lib/x86_64-linux-gnu/libasan.so.4+0xdeb50)
#1 0x55c2071bac8b in Memory_malloc
/home/input0/Desktop/libiec61850/hal/memory/lib_memory.c:47
#2 0x55c2071abca3 in Asn1PrimitiveValue_create
/home/input0/Desktop/libiec61850/src/mms/asn1/asn1_ber_primitive_value.c:31
#3 0x55c2071ac49b in BerInteger_createInt32
/home/input0/Desktop/libiec61850/src/mms/asn1/ber_integer.c:49
#4 0x55c2071ac8e3 in BerInteger_createFromInt32
/home/input0/Desktop/libiec61850/src/mms/asn1/ber_integer.c:97
#5 0x55c2071a27e1 in MmsValue_newIntegerFromInt32
/home/input0/Desktop/libiec61850/src/mms/iso_mms/common/mms_value.c:827
#6 0x55c20719c192 in main
/home/input0/Desktop/libiec61850/examples/goose_publisher/goose_publisher_example.c:30
#7 0x7f98bd3f0b96 in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
Direct leak of 10 byte(s) in 1 object(s) allocated from:
#0 0x7f98bdabdb50 in __interceptor_malloc
(/usr/lib/x86_64-linux-gnu/libasan.so.4+0xdeb50)
#1 0x55c2071bac8b in Memory_malloc
/home/input0/Desktop/libiec61850/hal/memory/lib_memory.c:47
#2 0x55c2071abca3 in Asn1PrimitiveValue_create
/home/input0/Desktop/libiec61850/src/mms/asn1/asn1_ber_primitive_value.c:31
#3 0x55c2071ac49b in BerInteger_createInt32
/home/input0/Desktop/libiec61850/src/mms/asn1/ber_integer.c:49
#4 0x55c2071ac8e3 in BerInteger_createFromInt32
/home/input0/Desktop/libiec61850/src/mms/asn1/ber_integer.c:97
#5 0x55c2071a27e1 in MmsValue_newIntegerFromInt32
/home/input0/Desktop/libiec61850/src/mms/iso_mms/common/mms_value.c:827
#6 0x55c20719c1d0 in main
/home/input0/Desktop/libiec61850/examples/goose_publisher/goose_publisher_example.c:32
#7 0x7f98bd3f0b96 in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
Direct leak of 5 byte(s) in 1 object(s) allocated from:
#0 0x7f98bdabdd38 in __interceptor_calloc
(/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded38)
#1 0x55c2071bacc4 in Memory_calloc
/home/input0/Desktop/libiec61850/hal/memory/lib_memory.c:59
#2 0x55c2071abd39 in Asn1PrimitiveValue_create
/home/input0/Desktop/libiec61850/src/mms/asn1/asn1_ber_primitive_value.c:35
#3 0x55c2071ac49b in BerInteger_createInt32
/home/input0/Desktop/libiec61850/src/mms/asn1/ber_integer.c:49
#4 0x55c2071ac8e3 in BerInteger_createFromInt32
/home/input0/Desktop/libiec61850/src/mms/asn1/ber_integer.c:97
#5 0x55c2071a27e1 in MmsValue_newIntegerFromInt32
/home/input0/Desktop/libiec61850/src/mms/iso_mms/common/mms_value.c:827
#6 0x55c20719c1d0 in main
/home/input0/Desktop/libiec61850/examples/goose_publisher/goose_publisher_example.c:32
#7 0x7f98bd3f0b96 in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
Direct leak of 5 byte(s) in 1 object(s) allocated from:
#0 0x7f98bdabdd38 in __interceptor_calloc
(/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded38)
#1 0x55c2071bacc4 in Memory_calloc
/home/input0/Desktop/libiec61850/hal/memory/lib_memory.c:59
#2 0x55c2071abd39 in Asn1PrimitiveValue_create
/home/input0/Desktop/libiec61850/src/mms/asn1/asn1_ber_primitive_value.c:35
#3 0x55c2071ac49b in BerInteger_createInt32
/home/input0/Desktop/libiec61850/src/mms/asn1/ber_integer.c:49
#4 0x55c2071ac8e3 in BerInteger_createFromInt32
/home/input0/Desktop/libiec61850/src/mms/asn1/ber_integer.c:97
#5 0x55c2071a27e1 in MmsValue_newIntegerFromInt32
/home/input0/Desktop/libiec61850/src/mms/iso_mms/common/mms_value.c:827
#6 0x55c20719c192 in main
/home/input0/Desktop/libiec61850/examples/goose_publisher/goose_publisher_example.c:30
#7 0x7f98bd3f0b96 in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
SUMMARY: AddressSanitizer: 30 byte(s) leaked in 4 allocation(s).
Later CVE-2019-6135 was assigned to this issue.
Thank you
@mishradhiraj_
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