| Bug ID |
9579
|
| Summary |
Clang ASAN : global-buffer-overflow SNMP : dissect_ber_choice
|
| Classification |
Unclassified
|
| Product |
Wireshark
|
| Version |
unspecified
|
| Hardware |
All
|
| OS |
Windows 8
|
| Status |
UNCONFIRMED
|
| Severity |
Normal
|
| Priority |
Low
|
| Component |
Dissection engine (libwireshark)
|
| Assignee |
[email protected]
|
| Reporter |
[email protected]
|
Build Information:
--
I fuzzing wireshark with ASAN (
http://clang.llvm.org/docs/AddressSanitizer.html) and it found the following
issue :
Input file: ../menagerie/asan/03-13_los_altos.pcap
==27162==ERROR: AddressSanitizer: global-buffer-overflow on address
0x7f9a5a81f0f8 at pc 0x7f9a564466bb bp 0x7fff4674ea10 sp 0x7fff4674ea08
READ of size 8 at 0x7f9a5a81f0f8 thread T0
#0 0x7f9a564466ba in dissect_ber_choice
/home/alagoutte/wireshark-clang/epan/dissectors/packet-ber.c:3345
#1 0x7f9a5746def1 in dissect_snmp_RegisterResponse
/home/alagoutte/wireshark-clang/epan/dissectors/../../asn1/snmp/snmp.cnf:421
#2 0x7f9a564461f4 in dissect_ber_choice
/home/alagoutte/wireshark-clang/epan/dissectors/packet-ber.c:3432
#3 0x7f9a5746dd43 in dissect_snmp_SMUX_PDUs
/home/alagoutte/wireshark-clang/epan/dissectors/../../asn1/snmp/snmp.cnf:475
#4 0x7f9a562671a9 in call_dissector_through_handle
/home/alagoutte/wireshark-clang/epan/packet.c:512
#5 0x7f9a56266e03 in dissector_try_uint_new
/home/alagoutte/wireshark-clang/epan/packet.c:1030
#6 0x7f9a56d4a736 in decode_tcp_ports
/home/alagoutte/wireshark-clang/epan/dissectors/packet-tcp.c:3916
#7 0x7f9a56d4d6a1 in process_tcp_payload
/home/alagoutte/wireshark-clang/epan/dissectors/packet-tcp.c:3975
#8 0x7f9a56d4b685 in desegment_tcp
/home/alagoutte/wireshark-clang/epan/dissectors/packet-tcp.c:1800
#9 0x7f9a56d55186 in dissect_tcp
/home/alagoutte/wireshark-clang/epan/dissectors/packet-tcp.c:4826
#10 0x7f9a562671a9 in call_dissector_through_handle
/home/alagoutte/wireshark-clang/epan/packet.c:512
#11 0x7f9a56266e03 in dissector_try_uint_new
/home/alagoutte/wireshark-clang/epan/packet.c:1030
#12 0x7f9a568699b7 in dissect_ip
/home/alagoutte/wireshark-clang/epan/dissectors/packet-ip.c:2403
#13 0x7f9a562671a9 in call_dissector_through_handle
/home/alagoutte/wireshark-clang/epan/packet.c:512
#14 0x7f9a5626745b in dissector_try_uint_new
/home/alagoutte/wireshark-clang/epan/packet.c:1030
#15 0x7f9a566b532c in dissect_ethertype
/home/alagoutte/wireshark-clang/epan/dissectors/packet-ethertype.c:305
#16 0x7f9a5626717d in call_dissector_through_handle
/home/alagoutte/wireshark-clang/epan/packet.c:508
#17 0x7f9a5626a48c in call_dissector_only
/home/alagoutte/wireshark-clang/epan/packet.c:2139
#18 0x7f9a566b3d82 in dissect_eth_common
/home/alagoutte/wireshark-clang/epan/dissectors/packet-eth.c:472
#19 0x7f9a562671a9 in call_dissector_through_handle
/home/alagoutte/wireshark-clang/epan/packet.c:512
#20 0x7f9a5626745b in dissector_try_uint_new
/home/alagoutte/wireshark-clang/epan/packet.c:1030
#21 0x7f9a56702fa0 in dissect_frame
/home/alagoutte/wireshark-clang/epan/dissectors/packet-frame.c:488
#22 0x7f9a562671a9 in call_dissector_through_handle
/home/alagoutte/wireshark-clang/epan/packet.c:512
#23 0x7f9a5626a48c in call_dissector_only
/home/alagoutte/wireshark-clang/epan/packet.c:2139
#24 0x7f9a56265cc3 in call_dissector
/home/alagoutte/wireshark-clang/epan/packet.c:2169
#25 0x7f9a56246828 in epan_dissect_run_with_taps
/home/alagoutte/wireshark-clang/epan/epan.c:329
#26 0x4a0995 in process_packet
/home/alagoutte/wireshark-clang/tshark.c:3453
#27 0x49c487 in load_cap_file /home/alagoutte/wireshark-clang/tshark.c:3256
#28 0x7f9a4f1f8de4 in __libc_start_main
/build/buildd/eglibc-2.17/csu/libc-start.c:260
#29 0x48595c in _start ??:?
0x7f9a5a81f0f8 is located 8 bytes to the left of global variable 'PDUs_choice'
from 'packet-snmp.c' (0x7f9a5a81f100) of size 400
0x7f9a5a81f0f8 is located 32 bytes to the right of global variable
'RegisterResponse_choice' from 'packet-snmp.c' (0x7f9a5a81f060) of size 120
SUMMARY: AddressSanitizer: global-buffer-overflow ??:0 ??
Shadow bytes around the buggy address:
0x0ff3cb4fbdc0: 00 00 f9 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 00
0x0ff3cb4fbdd0: 00 00 f9 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 00
0x0ff3cb4fbde0: 00 00 00 00 f9 f9 f9 f9 00 00 00 00 00 00 00 00
0x0ff3cb4fbdf0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0ff3cb4fbe00: 00 00 00 00 00 00 f9 f9 f9 f9 f9 f9 00 00 00 00
=>0x0ff3cb4fbe10: 00 00 00 00 00 00 00 00 00 00 00 f9 f9 f9 f9[f9]
0x0ff3cb4fbe20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0ff3cb4fbe30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0ff3cb4fbe40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0ff3cb4fbe50: 00 00 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9
0x0ff3cb4fbe60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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
Heap right redzone: fb
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack partial redzone: f4
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Contiguous container OOB:fc
ASan internal: fe
==27162==ABORTING
You are receiving this mail because:
- You are watching all bug changes.
