Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=802
The following crash due to a stack-based buffer overflow can be observed in an ASAN build of Wireshark (current git master), by feeding a malformed file to tshark ("$ ./tshark -nVxr /path/to/file"):
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==27389==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7fff6e9e9a68 at pc 0x7fa9c4c2d7a3 bp 0x7fff6e9e96b0 sp 0x7fff6e9e96a8
WRITE of size 8 at 0x7fff6e9e9a68 thread T0
#0 0x7fa9c4c2d7a2 in dissect_2008_16_security_4 wireshark/epan/dissectors/packet-dof.c:2662:32
#1 0x7fa9c4c2e3f6 in dof_dissect_pdu wireshark/epan/dissectors/packet-dof.c:12619:16
#2 0x7fa9c4c2ce35 in dof_dissect_pdu_as_field wireshark/epan/dissectors/packet-dof.c:12613:20
#3 0x7fa9c4c2a7ed in dissect_sgmp wireshark/epan/dissectors/packet-dof.c:8929:26
#4 0x7fa9c407e911 in call_dissector_through_handle wireshark/epan/packet.c:656:8
#5 0x7fa9c407057a in call_dissector_work wireshark/epan/packet.c:731:9
#6 0x7fa9c406fd4d in dissector_try_uint_new wireshark/epan/packet.c:1190:9
#7 0x7fa9c4c68aca in dissect_app_common wireshark/epan/dissectors/packet-dof.c:5405:13
#8 0x7fa9c4c658b6 in dissect_dpp_2 wireshark/epan/dissectors/packet-dof.c:7370:27
#9 0x7fa9c407e911 in call_dissector_through_handle wireshark/epan/packet.c:656:8
#10 0x7fa9c407057a in call_dissector_work wireshark/epan/packet.c:731:9
#11 0x7fa9c406fd4d in dissector_try_uint_new wireshark/epan/packet.c:1190:9
#12 0x7fa9c4c3a7a2 in dof_dissect_dpp_common wireshark/epan/dissectors/packet-dof.c:5490:13
#13 0x7fa9c4c5d5c0 in dissect_dnp_1 wireshark/epan/dissectors/packet-dof.c:6676:23
#14 0x7fa9c407e911 in call_dissector_through_handle wireshark/epan/packet.c:656:8
#15 0x7fa9c407057a in call_dissector_work wireshark/epan/packet.c:731:9
#16 0x7fa9c406fd4d in dissector_try_uint_new wireshark/epan/packet.c:1190:9
#17 0x7fa9c4c39598 in dof_dissect_dnp_common wireshark/epan/dissectors/packet-dof.c:5528:9
#18 0x7fa9c4c390a0 in dissect_dof_common wireshark/epan/dissectors/packet-dof.c:5627:5
#19 0x7fa9c4c59e5c in dissect_dof_udp wireshark/epan/dissectors/packet-dof.c:5864:12
#20 0x7fa9c407e911 in call_dissector_through_handle wireshark/epan/packet.c:656:8
#21 0x7fa9c407057a in call_dissector_work wireshark/epan/packet.c:731:9
#22 0x7fa9c406fd4d in dissector_try_uint_new wireshark/epan/packet.c:1190:9
#23 0x7fa9c40708f4 in dissector_try_uint wireshark/epan/packet.c:1216:9
#24 0x7fa9c62dddf0 in decode_udp_ports wireshark/epan/dissectors/packet-udp.c:585:7
#25 0x7fa9c62ecd90 in dissect wireshark/epan/dissectors/packet-udp.c:1080:5
#26 0x7fa9c62e0ae0 in dissect_udp wireshark/epan/dissectors/packet-udp.c:1086:3
#27 0x7fa9c407e911 in call_dissector_through_handle wireshark/epan/packet.c:656:8
#28 0x7fa9c407057a in call_dissector_work wireshark/epan/packet.c:731:9
#29 0x7fa9c406fd4d in dissector_try_uint_new wireshark/epan/packet.c:1190:9
#30 0x7fa9c52a333b in ip_try_dissect wireshark/epan/dissectors/packet-ip.c:1977:7
#31 0x7fa9c5312dba in dissect_ipv6 wireshark/epan/dissectors/packet-ipv6.c:2399:14
#32 0x7fa9c407e911 in call_dissector_through_handle wireshark/epan/packet.c:656:8
#33 0x7fa9c407057a in call_dissector_work wireshark/epan/packet.c:731:9
#34 0x7fa9c406fd4d in dissector_try_uint_new wireshark/epan/packet.c:1190:9
#35 0x7fa9c40708f4 in dissector_try_uint wireshark/epan/packet.c:1216:9
#36 0x7fa9c5938ee2 in dissect_null wireshark/epan/dissectors/packet-null.c:457:12
#37 0x7fa9c407e911 in call_dissector_through_handle wireshark/epan/packet.c:656:8
#38 0x7fa9c407057a in call_dissector_work wireshark/epan/packet.c:731:9
#39 0x7fa9c406fd4d in dissector_try_uint_new wireshark/epan/packet.c:1190:9
#40 0x7fa9c4e81105 in dissect_frame wireshark/epan/dissectors/packet-frame.c:492:11
#41 0x7fa9c407e911 in call_dissector_through_handle wireshark/epan/packet.c:656:8
#42 0x7fa9c407057a in call_dissector_work wireshark/epan/packet.c:731:9
#43 0x7fa9c407aa1e in call_dissector_only wireshark/epan/packet.c:2764:8
#44 0x7fa9c406b8ff in call_dissector_with_data wireshark/epan/packet.c:2777:8
#45 0x7fa9c406acd4 in dissect_record wireshark/epan/packet.c:539:3
#46 0x7fa9c401ddb9 in epan_dissect_run_with_taps wireshark/epan/epan.c:376:2
#47 0x52ef3f in process_packet wireshark/tshark.c:3727:5
#48 0x52830c in load_cap_file wireshark/tshark.c:3483:11
#49 0x51e67c in main wireshark/tshark.c:2192:13
Address 0x7fff6e9e9a68 is located in stack of thread T0 at offset 168 in frame
#0 0x7fa9c4c2945f in dissect_sgmp wireshark/epan/dissectors/packet-dof.c:8718
This frame has 8 object(s):
[32, 34) 'app'
[48, 52) 'app_len'
[64, 66) 'version'
[80, 84) 'length'
[96, 128) 'key'
[160, 168) 'response' <== Memory access at offset 168 overflows this variable
[192, 194) 'version129'
[208, 212) 'length130'
HINT: this may be a false positive if your program uses some custom stack unwind mechanism or swapcontext
(longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: stack-buffer-overflow wireshark/epan/dissectors/packet-dof.c:2662:32 in dissect_2008_16_security_4
Shadow bytes around the buggy address:
0x10006dd352f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006dd35300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006dd35310: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006dd35320: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006dd35330: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 02 f2 04 f2
=>0x10006dd35340: 02 f2 04 f2 00 00 00 00 f2 f2 f2 f2 00[f2]f2 f2
0x10006dd35350: 02 f2 04 f3 00 00 00 00 00 00 00 00 00 00 00 00
0x10006dd35360: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006dd35370: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006dd35380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006dd35390: 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
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
==27389==ABORTING
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The crash was reported at https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12351. Attached are three files which trigger the crash.
Proof of Concept:
https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/39748.zip
