https://sourceware.org/bugzilla/show_bug.cgi?id=23147
Bug ID: 23147 Summary: Heap buffer overflow in pe_print_idata Product: binutils Version: 2.31 (HEAD) Status: UNCONFIRMED Severity: normal Priority: P2 Component: binutils Assignee: unassigned at sourceware dot org Reporter: mgcho.minic at gmail dot com Target Milestone: --- Created attachment 10998 --> https://sourceware.org/bugzilla/attachment.cgi?id=10998&action=edit POC to trigger bug Triggered by "./objdump -x -W $POC" Tested on Ubuntu 16.04 (x86) Heap buffer overread occurred when processing malformed PE file. The GDB debugging information is as follows: ASAN output: ==26446==ERROR: AddressSanitizer: heap-buffer-overflow on address 0xb5e0207f at pc 0x08293f7a bp 0xbfc8e458 sp 0xbfc8e44c READ of size 1 at 0xb5e0207f thread T0 #0 0x8293f79 in bfd_getl32 /home/min/fuzzing/src/binutils/binutils-gdb/bfd/libbfd.c:635:23 #1 0x852550a in pe_print_idata /home/min/fuzzing/src/binutils/binutils-gdb/bfd/peigen.c:1544:31 #2 0x8523579 in _bfd_pe_print_private_bfd_data_common /home/min/fuzzing/src/binutils/binutils-gdb/bfd/peigen.c:2905:3 #3 0x84ed8f4 in pe_print_private_bfd_data /home/min/fuzzing/src/binutils/binutils-gdb/bfd/./peicode.h:336:8 #4 0x814737f in dump_bfd_private_header /home/min/fuzzing/src/binutils/binutils-gdb/binutils/./objdump.c:2996:3 #5 0x8145d10 in dump_bfd /home/min/fuzzing/src/binutils/binutils-gdb/binutils/./objdump.c:3589:5 #6 0x8145539 in display_object_bfd /home/min/fuzzing/src/binutils/binutils-gdb/binutils/./objdump.c:3688:7 #7 0x8145425 in display_any_bfd /home/min/fuzzing/src/binutils/binutils-gdb/binutils/./objdump.c:3777:5 #8 0x8144e8b in display_file /home/min/fuzzing/src/binutils/binutils-gdb/binutils/./objdump.c:3798:3 #9 0x814457b in main /home/min/fuzzing/src/binutils/binutils-gdb/binutils/./objdump.c:4100:6 #10 0xb74f4636 in __libc_start_main /build/glibc-mUak1Y/glibc-2.23/csu/../csu/libc-start.c:291 #11 0x806ca37 in _start (/home/min/fuzzing/program/binutils-2.30-21432/bin/objdump+0x806ca37) Credits: Mingi Cho and Taekyoung Kwon of the Information Security Lab, Yonsei University. -- You are receiving this mail because: You are on the CC list for the bug. _______________________________________________ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils