Headline
CVE-2023-31908: heap-buffer-overflow in ecma_builtin_typedarray_prototype_sort · Issue #5067 · jerryscript-project/jerryscript
Jerryscript 3.0 (commit 05dbbd1) was discovered to contain a heap-buffer-overflow via the component ecma_builtin_typedarray_prototype_sort.
$ ./jerryscript/build/bin/jerry poc.js ==3598395==ERROR: AddressSanitizer: heap-buffer-overflow on address 0xf5100634 at pc 0x5666342e bp 0xffaaafb8 sp 0xffaaafa8 WRITE of size 4 at 0xf5100634 thread T0 #0 0x5666342d in ecma_builtin_typedarray_prototype_sort /jerryscript/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-typedarray-prototype.c:1261 #1 0x5666342d in ecma_builtin_typedarray_prototype_dispatch_routine /jerryscript/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-typedarray-prototype.c:2007 #2 0x5665ea28 in ecma_builtin_dispatch_routine /jerryscript/jerry-core/ecma/builtin-objects/ecma-builtins.c:1460 #3 0x5665ea28 in ecma_builtin_dispatch_call /jerryscript/jerry-core/ecma/builtin-objects/ecma-builtins.c:1489 #4 0x56673db7 in ecma_op_function_call_native_built_in /jerryscript/jerry-core/ecma/operations/ecma-function-object.c:1217 #5 0x56675c84 in ecma_op_function_call /jerryscript/jerry-core/ecma/operations/ecma-function-object.c:1411 #6 0x566d6e89 in opfunc_call /jerryscript/jerry-core/vm/vm.c:758 #7 0x566d6e89 in vm_execute /jerryscript/jerry-core/vm/vm.c:5217 #8 0x566d8152 in vm_run /jerryscript/jerry-core/vm/vm.c:5312 #9 0x566d838f in vm_run_global /jerryscript/jerry-core/vm/vm.c:286 #10 0x5663682e in jerry_run /jerryscript/jerry-core/api/jerryscript.c:548 #11 0x5672b354 in jerryx_repl /jerryscript/jerry-ext/util/repl.c:66 #12 0x5662ef56 in main /jerryscript/jerry-main/main-desktop.c:226 #13 0xf7621ed4 in __libc_start_main (/lib32/libc.so.6+0x1aed4) #14 0x56631fb4 in _start (/jerryscript/build/bin/jerry+0x12fb4)
0xf5100634 is located 0 bytes to the right of 4-byte region [0xf5100630,0xf5100634) allocated by thread T0 here: #0 0xf7a0a817 in __interceptor_malloc …/…/…/…/…/src/libsanitizer/asan/asan_malloc_linux.cc:144 #1 0x56631ae4 in jmem_heap_alloc /jerryscript/jerry-core/jmem/jmem-heap.c:254 #2 0x56696d8d in jmem_heap_gc_and_alloc_block /jerryscript/jerry-core/jmem/jmem-heap.c:291 #3 0x56663281 in ecma_builtin_typedarray_prototype_sort /jerryscript/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-typedarray-prototype.c:1248 #4 0x56663281 in ecma_builtin_typedarray_prototype_dispatch_routine /jerryscript/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-typedarray-prototype.c:2007 #5 0x5665ea28 in ecma_builtin_dispatch_routine /jerryscript/jerry-core/ecma/builtin-objects/ecma-builtins.c:1460 #6 0x5665ea28 in ecma_builtin_dispatch_call /jerryscript/jerry-core/ecma/builtin-objects/ecma-builtins.c:1489 #7 0x56673db7 in ecma_op_function_call_native_built_in /jerryscript/jerry-core/ecma/operations/ecma-function-object.c:1217 #8 0x56675c84 in ecma_op_function_call /jerryscript/jerry-core/ecma/operations/ecma-function-object.c:1411 #9 0x566d6e89 in opfunc_call /jerryscript/jerry-core/vm/vm.c:758 #10 0x566d6e89 in vm_execute /jerryscript/jerry-core/vm/vm.c:5217 #11 0x566d8152 in vm_run /jerryscript/jerry-core/vm/vm.c:5312 #12 0x566d838f in vm_run_global /jerryscript/jerry-core/vm/vm.c:286 #13 0x5663682e in jerry_run /jerryscript/jerry-core/api/jerryscript.c:548 #14 0x5672b354 in jerryx_repl /jerryscript/jerry-ext/util/repl.c:66 #15 0x5662ef56 in main /jerryscript/jerry-main/main-desktop.c:226 #16 0xf7621ed4 in __libc_start_main (/lib32/libc.so.6+0x1aed4)
SUMMARY: AddressSanitizer: heap-buffer-overflow /jerryscript/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-typedarray-prototype.c:1261 in ecma_builtin_typedarray_prototype_sort Shadow bytes around the buggy address: 0x3ea20070: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x3ea20080: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x3ea20090: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x3ea200a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x3ea200b0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa =>0x3ea200c0: fa fa fa fa fa fa[04]fa fa fa 00 fa fa fa 00 00 0x3ea200d0: fa fa 00 02 fa fa 05 fa fa fa 00 00 fa fa 00 fa 0x3ea200e0: fa fa 00 04 fa fa fd fd fa fa 00 06 fa fa 00 03 0x3ea200f0: fa fa 00 07 fa fa 00 00 fa fa fa fa fa fa fa fa 0x3ea20100: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x3ea20110: 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 ==3598395==ABORTING
ICE: Assertion 'buffer_index == info_p->length' failed at /jerryscript/jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-typedarray-prototype.c(ecma_builtin_typedarray_prototype_sort):1265.
Error: JERRY_FATAL_FAILED_ASSERTION