Issue29485
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Created on 2017-02-08 14:42 by beginvuln, last changed 2022-04-11 14:58 by admin. This issue is now closed.
Files | ||||
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File name | Uploaded | Description | Edit | |
cfield_1336 | beginvuln, 2017-02-08 14:42 | PoC |
Messages (2) | |||
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msg287319 - (view) | Author: BeginVuln (beginvuln) | Date: 2017-02-08 14:42 | |
OS Version : Ubuntu 16.04 LTS Python download link : https://www.python.org/ftp/python/3.6.0/Python-3.6.0.tar.xz Python version : 3.6.0 Normal build cmd : ./configure make Asan build cmd: export CC="/usr/bin/clang -fsanitize=address export CXX="/usr/bin/clang++ -fsanitize=address ./confiugre make GDB with exploitable: To enable execution of this file add add-auto-load-safe-path /home/test/check/PythonGDB/python-gdb.py line to your configuration file "/home/test/.gdbinit". To completely disable this security protection add set auto-load safe-path / line to your configuration file "/home/test/.gdbinit". For more information about this security protection see the "Auto-loading safe path" section in the GDB manual. E.g., run from the shell: info "(gdb)Auto-loading safe path" [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Program received signal SIGSEGV, Segmentation fault. z_get (ptr=0x7ffff5bba5d8, size=8) at /home/test/check/PythonGDB/Modules/_ctypes/cfield.c:1336 1336 if (*(void **)ptr) { Description: Access violation on source operand Short description: SourceAv (19/22) Hash: 3930661c9a0f4c1f31bb4f2341bca47f.d4e21449248c6102834e8b566f6b2ac9 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) ASAN: ASAN:DEADLYSIGNAL ================================================================= ==18885==ERROR: AddressSanitizer: SEGV on unknown address 0x7fab556df550 (pc 0x7fab558d0cd1 bp 0x7fab5a4b0b90 sp 0x7ffc9cbcc220 T0) #0 0x7fab558d0cd0 in z_get /home/test/check/PythonASAN/Modules/_ctypes/cfield.c:1336 #1 0x7fab558d0cd0 in ?? ??:0 #2 0x63ac07 in _PyObject_GenericGetAttrWithDict /home/test/check/PythonASAN/Objects/object.c:1060 #3 0x63ac07 in ?? ??:0 #4 0x7966cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:2815 (discriminator 1) #5 0x7966cc in ?? ??:0 #6 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #7 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119 #8 0x7a9847 in ?? ??:0 #9 0x7ab648 in fast_function /home/test/check/PythonASAN/Python/ceval.c:4929 (discriminator 1) #10 0x7ab648 in ?? ??:0 #11 0x7a76f2 in call_function /home/test/check/PythonASAN/Python/ceval.c:4809 #12 0x7a76f2 in ?? ??:0 #13 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275 #14 0x7995cc in ?? ??:0 #15 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #16 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119 #17 0x7a9847 in ?? ??:0 #18 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021 #19 0x7ac2ea in ?? ??:0 #20 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295 #21 0x574668 in ?? ??:0 #22 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358 #23 0x5749fa in ?? ??:0 #24 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246 #25 0x573e9b in ?? ??:0 #26 0x793369 in do_call_core /home/test/check/PythonASAN/Python/ceval.c:5057 #27 0x793369 in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3357 #28 0x793369 in ?? ??:0 #29 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #30 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119 #31 0x7a9847 in ?? ??:0 #32 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021 #33 0x7ac2ea in ?? ??:0 #34 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295 #35 0x574668 in ?? ??:0 #36 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358 #37 0x5749fa in ?? ??:0 #38 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246 #39 0x573e9b in ?? ??:0 #40 0x66efe4 in slot_tp_call /home/test/check/PythonASAN/Objects/typeobject.c:6167 #41 0x66efe4 in ?? ??:0 #42 0x5745f0 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2316 #43 0x5745f0 in ?? ??:0 #44 0x7a7429 in call_function /home/test/check/PythonASAN/Python/ceval.c:4812 #45 0x7a7429 in ?? ??:0 #46 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275 #47 0x7995cc in ?? ??:0 #48 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #49 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119 #50 0x7a9847 in ?? ??:0 #51 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021 #52 0x7ac2ea in ?? ??:0 #53 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295 #54 0x574668 in ?? ??:0 #55 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358 #56 0x5749fa in ?? ??:0 #57 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246 #58 0x573e9b in ?? ??:0 #59 0x793369 in do_call_core /home/test/check/PythonASAN/Python/ceval.c:5057 #60 0x793369 in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3357 #61 0x793369 in ?? ??:0 #62 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #63 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119 #64 0x7a9847 in ?? ??:0 #65 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021 #66 0x7ac2ea in ?? ??:0 #67 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295 #68 0x574668 in ?? ??:0 #69 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358 #70 0x5749fa in ?? ??:0 #71 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246 #72 0x573e9b in ?? ??:0 #73 0x66efe4 in slot_tp_call /home/test/check/PythonASAN/Objects/typeobject.c:6167 #74 0x66efe4 in ?? ??:0 #75 0x5745f0 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2316 #76 0x5745f0 in ?? ??:0 #77 0x7a7429 in call_function /home/test/check/PythonASAN/Python/ceval.c:4812 #78 0x7a7429 in ?? ??:0 #79 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275 #80 0x7995cc in ?? ??:0 #81 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #82 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119 #83 0x7a9847 in ?? ??:0 #84 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021 #85 0x7ac2ea in ?? ??:0 #86 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295 #87 0x574668 in ?? ??:0 #88 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358 #89 0x5749fa in ?? ??:0 #90 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246 #91 0x573e9b in ?? ??:0 #92 0x793369 in do_call_core /home/test/check/PythonASAN/Python/ceval.c:5057 #93 0x793369 in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3357 #94 0x793369 in ?? ??:0 #95 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #96 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119 #97 0x7a9847 in ?? ??:0 #98 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021 #99 0x7ac2ea in ?? ??:0 #100 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295 #101 0x574668 in ?? ??:0 #102 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358 #103 0x5749fa in ?? ??:0 #104 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246 #105 0x573e9b in ?? ??:0 #106 0x66efe4 in slot_tp_call /home/test/check/PythonASAN/Objects/typeobject.c:6167 #107 0x66efe4 in ?? ??:0 #108 0x5745f0 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2316 #109 0x5745f0 in ?? ??:0 #110 0x7a7429 in call_function /home/test/check/PythonASAN/Python/ceval.c:4812 #111 0x7a7429 in ?? ??:0 #112 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275 #113 0x7995cc in ?? ??:0 #114 0x7ab4cb in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #115 0x7ab4cb in _PyFunction_FastCall /home/test/check/PythonASAN/Python/ceval.c:4870 #116 0x7ab4cb in fast_function /home/test/check/PythonASAN/Python/ceval.c:4905 #117 0x7ab4cb in ?? ??:0 #118 0x7a76f2 in call_function /home/test/check/PythonASAN/Python/ceval.c:4809 #119 0x7a76f2 in ?? ??:0 #120 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275 #121 0x7995cc in ?? ??:0 #122 0x7ab4cb in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #123 0x7ab4cb in _PyFunction_FastCall /home/test/check/PythonASAN/Python/ceval.c:4870 #124 0x7ab4cb in fast_function /home/test/check/PythonASAN/Python/ceval.c:4905 #125 0x7ab4cb in ?? ??:0 #126 0x7a76f2 in call_function /home/test/check/PythonASAN/Python/ceval.c:4809 #127 0x7a76f2 in ?? ??:0 #128 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275 #129 0x7995cc in ?? ??:0 #130 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #131 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119 #132 0x7a9847 in ?? ??:0 #133 0x7ac2ea in _PyFunction_FastCallDict /home/test/check/PythonASAN/Python/ceval.c:5021 #134 0x7ac2ea in ?? ??:0 #135 0x574668 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2295 #136 0x574668 in ?? ??:0 #137 0x5749fa in _PyObject_Call_Prepend /home/test/check/PythonASAN/Objects/abstract.c:2358 #138 0x5749fa in ?? ??:0 #139 0x573e9b in PyObject_Call /home/test/check/PythonASAN/Objects/abstract.c:2246 #140 0x573e9b in ?? ??:0 #141 0x6713f8 in slot_tp_init /home/test/check/PythonASAN/Objects/typeobject.c:6380 #142 0x6713f8 in ?? ??:0 #143 0x666d8d in type_call /home/test/check/PythonASAN/Objects/typeobject.c:915 (discriminator 1) #144 0x666d8d in ?? ??:0 #145 0x5745f0 in _PyObject_FastCallDict /home/test/check/PythonASAN/Objects/abstract.c:2316 #146 0x5745f0 in ?? ??:0 #147 0x7a7429 in call_function /home/test/check/PythonASAN/Python/ceval.c:4812 #148 0x7a7429 in ?? ??:0 #149 0x7995cc in _PyEval_EvalFrameDefault /home/test/check/PythonASAN/Python/ceval.c:3275 #150 0x7995cc in ?? ??:0 #151 0x7a9847 in PyEval_EvalFrameEx /home/test/check/PythonASAN/Python/ceval.c:718 #152 0x7a9847 in _PyEval_EvalCodeWithName /home/test/check/PythonASAN/Python/ceval.c:4119 #153 0x7a9847 in ?? ??:0 #154 0x78e0df in PyEval_EvalCodeEx /home/test/check/PythonASAN/Python/ceval.c:4140 #155 0x78e0df in PyEval_EvalCode /home/test/check/PythonASAN/Python/ceval.c:695 #156 0x78e0df in ?? ??:0 #157 0x5142f5 in run_mod /home/test/check/PythonASAN/Python/pythonrun.c:980 #158 0x5142f5 in PyRun_FileExFlags /home/test/check/PythonASAN/Python/pythonrun.c:933 #159 0x5142f5 in ?? ??:0 #160 0x512afa in PyRun_SimpleFileExFlags /home/test/check/PythonASAN/Python/pythonrun.c:396 #161 0x512afa in ?? ??:0 #162 0x53eefd in run_file /home/test/check/PythonASAN/Modules/main.c:320 #163 0x53eefd in Py_Main /home/test/check/PythonASAN/Modules/main.c:780 #164 0x53eefd in ?? ??:0 #165 0x503d16 in main /home/test/check/PythonASAN/./Programs/python.c:69 #166 0x503d16 in ?? ??:0 #167 0x7fab5921b82f in __libc_start_main /build/glibc-GKVZIf/glibc-2.23/csu/../csu/libc-start.c:291 #168 0x7fab5921b82f in ?? ??:0 #169 0x432548 in _start ??:? #170 0x432548 in ?? ??:0 AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV (/home/test/check/PythonASAN/build/lib.linux-x86_64-3.6/_ctypes.cpython-36m-x86_64-linux-gnu.so+0x36cd0) ==18885==ABORTING |
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msg287324 - (view) | Author: Stéphane Wirtel (matrixise) * | Date: 2017-02-08 14:46 | |
See #issue29486 |
History | |||
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Date | User | Action | Args |
2022-04-11 14:58:42 | admin | set | github: 73671 |
2017-02-08 14:46:55 | matrixise | set | status: open -> closed nosy: + matrixise messages: + msg287324 resolution: duplicate stage: resolved |
2017-02-08 14:42:58 | beginvuln | create |