https://sourceware.org/bugzilla/show_bug.cgi?id=24242
Bug ID: 24242
Summary: readelf: heap buffer overflow in
byte_get_little_endian
Product: binutils
Version: 2.33 (HEAD)
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: spinpx at gmail dot com
Target Milestone: ---
Created attachment 11622
--> https://sourceware.org/bugzilla/attachment.cgi?id=11622&action=edit
Heap buffer overflow input
- Intel Xeon Gold 5118 processors and 256 GB memory
- Linux n18-065-139 4.19.0-1-amd64 #1 SMP Debian 4.19.12-1 (2018-12-22) x86_64
GNU/Linux
- clang version 4.0.0 (tags/RELEASE_400/final)
- version: commit c72e75a64030b0f6535a80481f37968ad55c333a (Feb 19 2019)
- run: readelf -a input_file
- asan_report:
ELF Header:
Magic: 7f 45 4c 46 01 01 01 00 00 00 00 00 34 00 20 e9
Class: ELF32
Data: 2's complement, little endian
Version: 1 (current)
OS/ABI: UNIX - System V
ABI Version: 0
Type: EXEC (Executable file)
Machine: Intel IA-64
Version: 0xee000001
Entry point address: 0x8048074
Start of program headers: 52 (bytes into file)
Start of section headers: 164 (bytes into file)
Flags: 0xde000000, 32-bit
Size of this header: 51 (bytes)
Size of program headers: 32 (bytes)
Number of program headers: 2
Size of section headers: 40 (bytes)
Number of section headers: 4
Section header string table index: 3
readelf: Error: Reading 160 bytes extends past end of file for section headers
readelf: Error: Section headers are not available!
=================================================================
==328304==ERROR: AddressSanitizer: heap-buffer-overflow on address
0x60d0000000c1 at pc 0x0000005dd1d6 bp 0x7ffc427f3900 sp 0x7ffc427f38f8
READ of size 1 at 0x60d0000000c1 thread T0
#0 0x5dd1d5 in byte_get_little_endian
/mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/elfcomm.c:210:22
#1 0x56f778 in print_ia64_vms_note
/mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/readelf.c:17982:24
#2 0x56c09f in process_note
/mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/readelf.c:18579:12
#3 0x56a944 in process_notes_at
/mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/readelf.c:18769:13
#4 0x5693a9 in process_corefile_note_segments
/mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/readelf.c:18799:8
#5 0x5691c6 in process_note_sections
/mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/readelf.c:18927:12
#6 0x524199 in process_notes
/mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/readelf.c:18940:12
#7 0x505c9d in process_object
/mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/readelf.c:19303:9
#8 0x4f547d in process_file
/mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/readelf.c:19715:13
#9 0x4f3ec8 in main
/mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/readelf.c:19774:11
#10 0x7fe5604f009a in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x2409a)
#11 0x41d4b9 in _start
(/mnt/raid/user/chenpeng/FuzzingBench/build/asan/install/bin/readelf+0x41d4b9)
0x60d0000000c1 is located 0 bytes to the right of 129-byte region
[0x60d000000040,0x60d0000000c1)
allocated by thread T0 here:
#0 0x4c41ac in malloc
/scratch/llvm/clang-4/xenial/final/llvm.src/projects/compiler-rt/lib/asan/asan_malloc_linux.cc:66:3
#1 0x4f179f in get_data
/mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/readelf.c:426:9
#2 0x56965e in process_notes_at
/mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/readelf.c:18635:36
#3 0x5693a9 in process_corefile_note_segments
/mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/readelf.c:18799:8
#4 0x5691c6 in process_note_sections
/mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/readelf.c:18927:12
#5 0x524199 in process_notes
/mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/readelf.c:18940:12
#6 0x505c9d in process_object
/mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/readelf.c:19303:9
#7 0x4f547d in process_file
/mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/readelf.c:19715:13
#8 0x4f3ec8 in main
/mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/readelf.c:19774:11
#9 0x7fe5604f009a in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x2409a)
SUMMARY: AddressSanitizer: heap-buffer-overflow
/mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/elfcomm.c:210:22
in byte_get_little_endian
Shadow bytes around the buggy address:
0x0c1a7fff7fc0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c1a7fff7fd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c1a7fff7fe0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c1a7fff7ff0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c1a7fff8000: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00
=>0x0c1a7fff8010: 00 00 00 00 00 00 00 00[01]fa fa fa fa fa fa fa
0x0c1a7fff8020: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c1a7fff8030: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c1a7fff8040: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c1a7fff8050: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c1a7fff8060: 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
==328304==ABORTING
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