```
==22946==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60200000029a at pc 0x00000044df4b bp 0x7ffccd3a0760 sp 0x7ffccd39ff10
WRITE of size 13 at 0x60200000029a thread T0
    #0 0x44df4a in vsprintf /home/eval/build/llvm_tools/llvm-11.0.0.src/projects/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:1668
    #1 0x44e116 in sprintf /home/eval/build/llvm_tools/llvm-11.0.0.src/projects/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:1711
    #2 0x504bcf in getString /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:342:3
    #3 0x5048e8 in getName /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:418:10
    #4 0x502e79 in decompileCALLMETHOD /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:2843:35
    #5 0x4fd067 in decompileAction /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:3267:10
    #6 0x50470c in decompileActions /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:3401:6
    #7 0x503dc1 in decompileSETTARGET /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:3076:3
    #8 0x4fd309 in decompileAction /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c
    #9 0x50470c in decompileActions /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:3401:6
    #10 0x507223 in decompile5Action /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:3423:2
    #11 0x4f2315 in outputSWF_DEFINEBUTTON2 /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/outputscript.c:932:2
    #12 0x4f88cd in outputBlock /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/outputscript.c:2079:4
    #13 0x4fbfa9 in readMovie /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/main.c:277:4
    #14 0x4fb633 in main /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/main.c:350:2
    #15 0x7f2cff492c86 in __libc_start_main /build/glibc-CVJwZb/glibc-2.27/csu/../csu/libc-start.c:310
    #16 0x41cce9 in _start (/home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/swftophp+0x41cce9)

0x60200000029a is located 0 bytes to the right of 10-byte region [0x602000000290,0x60200000029a)
allocated by thread T0 here:
    #0 0x4ad350 in malloc /home/eval/build/llvm_tools/llvm-11.0.0.src/projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:145
    #1 0x504ba1 in getString /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:341:5
    #2 0x5048e8 in getName /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:418:10
    #3 0x502e79 in decompileCALLMETHOD /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:2843:35
    #4 0x4fd067 in decompileAction /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:3267:10
    #5 0x50470c in decompileActions /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:3401:6
    #6 0x503dc1 in decompileSETTARGET /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:3076:3
    #7 0x4fd309 in decompileAction /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c
    #8 0x50470c in decompileActions /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:3401:6
    #9 0x507223 in decompile5Action /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:3423:2
    #10 0x4f2315 in outputSWF_DEFINEBUTTON2 /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/outputscript.c:932:2
    #11 0x4f88cd in outputBlock /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/outputscript.c:2079:4
    #12 0x4fbfa9 in readMovie /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/main.c:277:4
    #13 0x4fb633 in main /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/main.c:350:2
    #14 0x7f2cff492c86 in __libc_start_main /build/glibc-CVJwZb/glibc-2.27/csu/../csu/libc-start.c:310

SUMMARY: AddressSanitizer: heap-buffer-overflow /home/eval/build/llvm_tools/llvm-11.0.0.src/projects/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:1668 in vsprintf
Shadow bytes around the buggy address:
  0x0c047fff8000: fa fa fd fd fa fa fd fa fa fa fd fa fa fa fd fa
  0x0c047fff8010: fa fa fd fa fa fa fd fa fa fa fd fa fa fa fd fd
  0x0c047fff8020: fa fa fd fa fa fa fd fa fa fa fd fa fa fa fd fa
  0x0c047fff8030: fa fa fd fa fa fa fd fa fa fa 03 fa fa fa fd fa
  0x0c047fff8040: fa fa fd fa fa fa 03 fa fa fa fd fa fa fa fd fa
=>0x0c047fff8050: fa fa 00[02]fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c047fff8060: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c047fff8070: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c047fff8080: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c047fff8090: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c047fff80a0: 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
==22946==ABORTING
```
[poc-10.zip](https://github.com/libming/libming/files/12116194/poc-10.zip)

heap-buffer-overflow on vsprintf
This is a GitHub Issue
repo:libming
owner:libming
Title : heap-buffer-overflow on vsprintf
Issue date:

--- start body ---
```
==22946==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60200000029a at pc 0x00000044df4b bp 0x7ffccd3a0760 sp 0x7ffccd39ff10
WRITE of size 13 at 0x60200000029a thread T0
    #0 0x44df4a in vsprintf /home/eval/build/llvm_tools/llvm-11.0.0.src/projects/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:1668
    #1 0x44e116 in sprintf /home/eval/build/llvm_tools/llvm-11.0.0.src/projects/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:1711
    #2 0x504bcf in getString /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:342:3
    #3 0x5048e8 in getName /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:418:10
    #4 0x502e79 in decompileCALLMETHOD /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:2843:35
    #5 0x4fd067 in decompileAction /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:3267:10
    #6 0x50470c in decompileActions /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:3401:6
    #7 0x503dc1 in decompileSETTARGET /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:3076:3
    #8 0x4fd309 in decompileAction /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c
    #9 0x50470c in decompileActions /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:3401:6
    #10 0x507223 in decompile5Action /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:3423:2
    #11 0x4f2315 in outputSWF_DEFINEBUTTON2 /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/outputscript.c:932:2
    #12 0x4f88cd in outputBlock /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/outputscript.c:2079:4
    #13 0x4fbfa9 in readMovie /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/main.c:277:4
    #14 0x4fb633 in main /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/main.c:350:2
    #15 0x7f2cff492c86 in __libc_start_main /build/glibc-CVJwZb/glibc-2.27/csu/../csu/libc-start.c:310
    #16 0x41cce9 in _start (/home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/swftophp+0x41cce9)

0x60200000029a is located 0 bytes to the right of 10-byte region [0x602000000290,0x60200000029a)
allocated by thread T0 here:
    #0 0x4ad350 in malloc /home/eval/build/llvm_tools/llvm-11.0.0.src/projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:145
    #1 0x504ba1 in getString /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:341:5
    #2 0x5048e8 in getName /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:418:10
    #3 0x502e79 in decompileCALLMETHOD /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:2843:35
    #4 0x4fd067 in decompileAction /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:3267:10
    #5 0x50470c in decompileActions /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:3401:6
    #6 0x503dc1 in decompileSETTARGET /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:3076:3
    #7 0x4fd309 in decompileAction /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c
    #8 0x50470c in decompileActions /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:3401:6
    #9 0x507223 in decompile5Action /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/decompile.c:3423:2
    #10 0x4f2315 in outputSWF_DEFINEBUTTON2 /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/outputscript.c:932:2
    #11 0x4f88cd in outputBlock /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/outputscript.c:2079:4
    #12 0x4fbfa9 in readMovie /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/main.c:277:4
    #13 0x4fb633 in main /home/eval/Desktop/libming-CVE-2018-8962/obj-aflgo/util/../../util/main.c:350:2
    #14 0x7f2cff492c86 in __libc_start_main /build/glibc-CVJwZb/glibc-2.27/csu/../csu/libc-start.c:310

SUMMARY: AddressSanitizer: heap-buffer-overflow /home/eval/build/llvm_tools/llvm-11.0.0.src/projects/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:1668 in vsprintf
Shadow bytes around the buggy address:
  0x0c047fff8000: fa fa fd fd fa fa fd fa fa fa fd fa fa fa fd fa
  0x0c047fff8010: fa fa fd fa fa fa fd fa fa fa fd fa fa fa fd fd
  0x0c047fff8020: fa fa fd fa fa fa fd fa fa fa fd fa fa fa fd fa
  0x0c047fff8030: fa fa fd fa fa fa fd fa fa fa 03 fa fa fa fd fa
  0x0c047fff8040: fa fa fd fa fa fa 03 fa fa fa fd fa fa fa fd fa
=>0x0c047fff8050: fa fa 00[02]fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c047fff8060: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c047fff8070: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c047fff8080: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c047fff8090: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c047fff80a0: 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
==22946==ABORTING
```
[poc-10.zip](https://github.com/libming/libming/files/12116194/poc-10.zip)

--- end body ---
