| Summary: | objdump: Read memory violation in libbfd.c | ||
|---|---|---|---|
| Product: | binutils | Reporter: | spinpx <spinpx> |
| Component: | binutils | Assignee: | Alan Modra <amodra> |
| Status: | RESOLVED FIXED | ||
| Severity: | normal | CC: | mgcho.minic, u6759601 |
| Priority: | P2 | ||
| Version: | 2.33 | ||
| Target Milestone: | --- | ||
| Host: | Target: | ||
| Build: | Last reconfirmed: | ||
| Attachments: | the input triggers the bug | ||
The master branch has been updated by Alan Modra <amodra@sourceware.org>: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=179f2db0d9c397d7dd8a59907b84208b79f7f48c commit 179f2db0d9c397d7dd8a59907b84208b79f7f48c Author: Alan Modra <amodra@gmail.com> Date: Tue Feb 19 22:48:44 2019 +1030 PR24235, Read memory violation in pei-x86_64.c PR 24235 * pei-x86_64.c (pex64_bfd_print_pdata_section): Correct checks attempting to prevent read past end of section. Fixed. *** Bug 24266 has been marked as a duplicate of this bug. *** *** Bug 24278 has been marked as a duplicate of this bug. *** CVE-2019-9074 |
Created attachment 11617 [details] the input triggers the bug - 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 objdump -x input_file - asan report ==1161627==ERROR: AddressSanitizer: SEGV on unknown address 0x613000bbe0fe (pc 0x000000607197 bp 0x7ffcfa7de560 sp 0x7ffcfa7de500 T0) ==1161627==The signal is caused by a READ memory access. #0 0x607196 in bfd_getl32 /mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/bfd/libbfd.c:695:7 #1 0x896b30 in pex64_get_runtime_function /mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/bfd/pei-x86_64.c:94:26 #2 0x88f222 in pex64_bfd_print_pdata_section /mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/bfd/pei-x86_64.c:730:5 #3 0x88d555 in pex64_bfd_print_pdata /mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/bfd/pei-x86_64.c:794:12 #4 0x8c3894 in _bfd_pex64_print_private_bfd_data_common /mnt/raid/user/chenpeng/FuzzingBench/build/asan/binutils-gdb/bfd/pex64igen.c:2911:5 #5 0x895d94 in pe_print_private_bfd_data /mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/bfd/peicode.h:336:8 #6 0x4f65d5 in dump_bfd_private_header /mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/objdump.c:3181:3 #7 0x4f51f9 in dump_bfd /mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/objdump.c:3782:5 #8 0x4f4c71 in display_object_bfd /mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/objdump.c:3883:7 #9 0x4f4b67 in display_any_bfd /mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/objdump.c:3973:5 #10 0x4f424a in display_file /mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/objdump.c:3994:3 #11 0x4f3ab0 in main /mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/binutils/objdump.c:4304:6 #12 0x7f659f6c409a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2409a) #13 0x41d639 in _start (/mnt/raid/user/chenpeng/FuzzingBench/build/asan/install/bin/objdump+0x41d639) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV /mnt/raid/user/chenpeng/FuzzingBench/binutils/binutils-gdb/bfd/libbfd.c:695:7 in bfd_getl32 ==1161627==ABORTING - Exploitable Description: Access violation on source operand Short description: SourceAv (19/22) Hash: bafff732c614888210a0d11ed0439a22.5360e10ba1488dec3bada789cf815760 Exploitability Classification: UNKNOWN "Explanation: The target crashed on an access violation at an address matching the source operand of the current instruction. This likely indicates a read access violation. Other tags: AccessViolation (21/22)