gdb-peda$ r < poc
Starting program: /home/casper/targets/struct/libiec61850/dbg/fuzzrun/test < poc
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
=================================================================
==25413==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x602000000079 at pc 0x000000491f90 bp 0x7fffffffdb10 sp 0x7fffffffd2d8
WRITE of size 18 at 0x602000000079 thread T0
[New process 25894]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
process 25894 is executing new program: /home/casper/fuzz/fuzzdeps/llvm9/bin/llvm-symbolizer
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
#0 0x491f8f in __asan_memcpy /tmp/final/llvm.src/projects/compiler-rt/lib/asan/asan_interceptors_memintrinsics.cc:22:3
#1 0x7ffff7a00519 in MmsValue_decodeMmsData /home/casper/targets/struct/libiec61850/dbg/SRC/src/mms/iso_mms/server/mms_access_result.c:239:9
#2 0x7ffff79ff9b3 in MmsValue_decodeMmsData /home/casper/targets/struct/libiec61850/dbg/SRC/src/mms/iso_mms/server/mms_access_result.c:194:38
#3 0x4c21df in main /home/casper/targets/struct/libiec61850/dbg/../fuzzsrc/fuzzmmsdata.c:12:21
#4 0x7ffff6969b96 in __libc_start_main /build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:310
#5 0x41ab99 in _start (/home/casper/targets/struct/libiec61850/dbg/fuzzrun/test+0x41ab99)
0x602000000079 is located 0 bytes to the right of 9-byte region [0x602000000070,0x602000000079)
allocated by thread T0 here:
#0 0x492c12 in calloc /tmp/final/llvm.src/projects/compiler-rt/lib/asan/asan_malloc_linux.cc:154:3
#1 0x7ffff7b6f15c in Memory_calloc /home/casper/targets/struct/libiec61850/dbg/SRC/hal/memory/lib_memory.c:59:20
#2 0x7ffff7a25724 in Asn1PrimitiveValue_create /home/casper/targets/struct/libiec61850/dbg/SRC/src/mms/asn1/asn1_ber_primitive_value.c:35:28
#3 0x7ffff7a29cfd in BerInteger_createInt64 /home/casper/targets/struct/libiec61850/dbg/SRC/src/mms/asn1/ber_integer.c:174:12
#4 0x7ffff79891ac in MmsValue_newUnsigned /home/casper/targets/struct/libiec61850/dbg/SRC/src/mms/iso_mms/common/mms_value.c:1300:31
#5 0x7ffff7a00300 in MmsValue_decodeMmsData /home/casper/targets/struct/libiec61850/dbg/SRC/src/mms/iso_mms/server/mms_access_result.c:238:17
#6 0x7ffff79ff9b3 in MmsValue_decodeMmsData /home/casper/targets/struct/libiec61850/dbg/SRC/src/mms/iso_mms/server/mms_access_result.c:194:38
#7 0x4c21df in main /home/casper/targets/struct/libiec61850/dbg/../fuzzsrc/fuzzmmsdata.c:12:21
#8 0x7ffff6969b96 in __libc_start_main /build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:310
SUMMARY: AddressSanitizer: heap-buffer-overflow /tmp/final/llvm.src/projects/compiler-rt/lib/asan/asan_interceptors_memintrinsics.cc:22:3 in __asan_memcpy
Shadow bytes around the buggy address:
0x0c047fff7fb0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c047fff7fc0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c047fff7fd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c047fff7fe0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c047fff7ff0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0c047fff8000: fa fa 00 00 fa fa 01 fa fa fa 00 02 fa fa 00[01]
0x0c047fff8010: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff8020: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff8030: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff8040: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff8050: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
Shadow gap: cc
==25413==ABORTING
[Inferior 2 (process 25894) exited normally]
The text was updated successfully, but these errors were encountered:
Function
MmsValue_decodeMmsDatahas heap overflow vulnerability in file mms/iso_mms/server/mms_access_result.c.poc:
poc.zip
steps to reproduce:
./test < pocin gdbresult in gdb
The text was updated successfully, but these errors were encountered: