$ ./jsish/jsish poc.js
==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x604000018b40 at pc 0x55803d35220a bp 0x7fff119980c0 sp 0x7fff119980b0
WRITE of size 4 at 0x604000018b40 thread T0
#0 0x55803d352209 in NumberConstructor src/jsiNumber.c:93#1 0x55803d325818 in jsi_FuncCallSub src/jsiProto.c:244#2 0x55803d2a2fec in jsi_FunctionInvoke src/jsiFunc.c:777#3 0x55803d2a2fec in Jsi_FunctionInvoke src/jsiFunc.c:789#4 0x55803d31ead6 in jsi_FuncBindCall src/jsiProto.c:299#5 0x55803d325818 in jsi_FuncCallSub src/jsiProto.c:244#6 0x55803d5ef71a in jsiFunctionSubCall src/jsiEval.c:796#7 0x55803d5ef71a in jsiEvalFunction src/jsiEval.c:837#8 0x55803d5ef71a in jsiEvalCodeSub src/jsiEval.c:1264#9 0x55803d60315e in jsi_evalcode src/jsiEval.c:2204#10 0x55803d607274 in jsi_evalStrFile src/jsiEval.c:2665#11 0x55803d2f666a in Jsi_Main src/jsiInterp.c:936#12 0x55803dafb03a in jsi_main src/main.c:47#13 0x7ff56e70cbf6 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21bf6)#14 0x55803d28a969 in _start (/usr/local/bin/jsish+0xe8969)
0x604000018b40 is located 1 bytes to the right of 47-byte region [0x604000018b10,0x604000018b3f)
allocated by thread T0 here:
#0 0x7ff56f37bd28 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded28)#1 0x55803d2fbaa4 in Jsi_Calloc src/jsiUtils.c:57
SUMMARY: AddressSanitizer: heap-buffer-overflow src/jsiNumber.c:93 in NumberConstructor
Shadow bytes around the buggy address:
0x0c087fffb110: fa fa fd fd fd fd fd fa fa fa 00 00 00 00 00 00
0x0c087fffb120: fa fa fd fd fd fd fd fa fa fa fd fd fd fd fd fa
0x0c087fffb130: fa fa fd fd fd fd fd fa fa fa fd fd fd fd fd fa
0x0c087fffb140: fa fa 00 00 00 00 00 fa fa fa 00 00 00 00 00 07
0x0c087fffb150: fa fa 00 00 00 00 00 00 fa fa fd fd fd fd fd fa
=>0x0c087fffb160: fa fa 00 00 00 00 00 07[fa]fa 00 00 00 00 00 00
0x0c087fffb170: fa fa fd fd fd fd fd fa fa fa fd fd fd fd fd fa
0x0c087fffb180: fa fa fd fd fd fd fd fa fa fa fd fd fd fd fd fa
0x0c087fffb190: fa fa fd fd fd fd fd fa fa fa fd fd fd fd fd fa
0x0c087fffb1a0: fa fa 00 00 00 00 00 00 fa fa fd fd fd fd fd fa
0x0c087fffb1b0: fa fa fd fd fd fd fd fa fa fa fd fd fd fd fd 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
Credits: Found by OWL337 team.
The text was updated successfully, but these errors were encountered:
Jsish revision
Commit: 9fa798e
Version: v3.5.0
Build platform
Ubuntu 18.04.5 LTS (Linux 5.4.0-44-generic x86_64)
Build steps
Test case
Execution steps & Output
$ ./jsish/jsish poc.js ==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x604000018b40 at pc 0x55803d35220a bp 0x7fff119980c0 sp 0x7fff119980b0 WRITE of size 4 at 0x604000018b40 thread T0 #0 0x55803d352209 in NumberConstructor src/jsiNumber.c:93 #1 0x55803d325818 in jsi_FuncCallSub src/jsiProto.c:244 #2 0x55803d2a2fec in jsi_FunctionInvoke src/jsiFunc.c:777 #3 0x55803d2a2fec in Jsi_FunctionInvoke src/jsiFunc.c:789 #4 0x55803d31ead6 in jsi_FuncBindCall src/jsiProto.c:299 #5 0x55803d325818 in jsi_FuncCallSub src/jsiProto.c:244 #6 0x55803d5ef71a in jsiFunctionSubCall src/jsiEval.c:796 #7 0x55803d5ef71a in jsiEvalFunction src/jsiEval.c:837 #8 0x55803d5ef71a in jsiEvalCodeSub src/jsiEval.c:1264 #9 0x55803d60315e in jsi_evalcode src/jsiEval.c:2204 #10 0x55803d607274 in jsi_evalStrFile src/jsiEval.c:2665 #11 0x55803d2f666a in Jsi_Main src/jsiInterp.c:936 #12 0x55803dafb03a in jsi_main src/main.c:47 #13 0x7ff56e70cbf6 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21bf6) #14 0x55803d28a969 in _start (/usr/local/bin/jsish+0xe8969) 0x604000018b40 is located 1 bytes to the right of 47-byte region [0x604000018b10,0x604000018b3f) allocated by thread T0 here: #0 0x7ff56f37bd28 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded28) #1 0x55803d2fbaa4 in Jsi_Calloc src/jsiUtils.c:57 SUMMARY: AddressSanitizer: heap-buffer-overflow src/jsiNumber.c:93 in NumberConstructor Shadow bytes around the buggy address: 0x0c087fffb110: fa fa fd fd fd fd fd fa fa fa 00 00 00 00 00 00 0x0c087fffb120: fa fa fd fd fd fd fd fa fa fa fd fd fd fd fd fa 0x0c087fffb130: fa fa fd fd fd fd fd fa fa fa fd fd fd fd fd fa 0x0c087fffb140: fa fa 00 00 00 00 00 fa fa fa 00 00 00 00 00 07 0x0c087fffb150: fa fa 00 00 00 00 00 00 fa fa fd fd fd fd fd fa =>0x0c087fffb160: fa fa 00 00 00 00 00 07[fa]fa 00 00 00 00 00 00 0x0c087fffb170: fa fa fd fd fd fd fd fa fa fa fd fd fd fd fd fa 0x0c087fffb180: fa fa fd fd fd fd fd fa fa fa fd fd fd fd fd fa 0x0c087fffb190: fa fa fd fd fd fd fd fa fa fa fd fd fd fd fd fa 0x0c087fffb1a0: fa fa 00 00 00 00 00 00 fa fa fd fd fd fd fd fa 0x0c087fffb1b0: fa fa fd fd fd fd fd fa fa fa fd fd fd fd fd 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: cbCredits: Found by OWL337 team.
The text was updated successfully, but these errors were encountered: