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Message-ID: <165661.281298043-sendEmail@localhost>
Date: Fri, 22 Sep 2017 07:53:22 +0000
From: "Agostino Sarubbo" <ago@...too.org>
To: "oss-security@...ts.openwall.com" <oss-security@...ts.openwall.com>
Subject: bento4: heap-based buffer overflow in AP4_DataBuffer::SetData (Ap4DataBuffer.cpp)
Description:
bento4 is a fast, modern, open source C++ toolkit for all your MP4 and MPEG DASH media format needs.
The complete ASan output of the issue:
# mp42aac $FILE out.aac
==20986==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x606000000174 at pc 0x0000004ee515 bp 0x7ffd0b8395f0 sp 0x7ffd0b838da0
READ of size 65509 at 0x606000000174 thread T0
#0 0x4ee514 in __asan_memcpy /var/tmp/portage/sys-libs/compiler-rt-sanitizers-4.0.1/work/compiler-rt-4.0.1.src/lib/asan/asan_interceptors.cc:453
#1 0x54de2b in AP4_DataBuffer::SetData(unsigned char const*, unsigned int) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4DataBuffer.cpp:175:5
#2 0x5d4a83 in AP4_AvccAtom::AP4_AvccAtom(unsigned int, unsigned char const*) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AvccAtom.cpp:165:32
#3 0x5d1b6b in AP4_AvccAtom::Create(unsigned int, AP4_ByteStream&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AvccAtom.cpp:95:16
#4 0x5cb2e2 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:477:20
#5 0x5c7fbd in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:220:14
#6 0x60c29f in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:193:12
#7 0x575855 in AP4_SampleEntry::Read(AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4SampleEntry.cpp:115:9
#8 0x57d624 in AP4_VisualSampleEntry::AP4_VisualSampleEntry(unsigned int, unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4SampleEntry.cpp:742:5
#9 0x57d624 in AP4_AvcSampleEntry::AP4_AvcSampleEntry(unsigned int, unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4SampleEntry.cpp:994
#10 0x5cbf58 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:305:24
#11 0x5c7fbd in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:220:14
#12 0x586a2c in AP4_StsdAtom::AP4_StsdAtom(unsigned int, unsigned char, unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4StsdAtom.cpp:100:13
#13 0x58566f in AP4_StsdAtom::Create(unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4StsdAtom.cpp:56:16
#14 0x5ca71c in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:422:20
#15 0x5c7fbd in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:220:14
#16 0x60c29f in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:193:12
#17 0x60b1d2 in AP4_ContainerAtom::AP4_ContainerAtom(unsigned int, unsigned long long, bool, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:138:5
#18 0x60b1d2 in AP4_ContainerAtom::Create(unsigned int, unsigned long long, bool, bool, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:87
#19 0x5ca44c in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:751:20
#20 0x5c7fbd in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:220:14
#21 0x60c561 in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:193:12
#22 0x60b1d2 in AP4_ContainerAtom::AP4_ContainerAtom(unsigned int, unsigned long long, bool, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:138:5
#23 0x60b1d2 in AP4_ContainerAtom::Create(unsigned int, unsigned long long, bool, bool, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:87
#24 0x5ca44c in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:751:20
#25 0x5c7fbd in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:220:14
#26 0x60c561 in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:193:12
#27 0x60b1d2 in AP4_ContainerAtom::AP4_ContainerAtom(unsigned int, unsigned long long, bool, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:138:5
#28 0x60b1d2 in AP4_ContainerAtom::Create(unsigned int, unsigned long long, bool, bool, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:87
#29 0x5ca44c in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:751:20
#30 0x5c7fbd in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:220:14
#31 0x60c561 in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:193:12
#32 0x60c099 in AP4_ContainerAtom::AP4_ContainerAtom(unsigned int, unsigned long long, bool, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:138:5
#33 0x58e6ed in AP4_TrakAtom::AP4_TrakAtom(unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4TrakAtom.cpp:165:5
#34 0x5c8e3b in AP4_TrakAtom::Create(unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4TrakAtom.h:58:20
#35 0x5c8e3b in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:377
#36 0x5c7fbd in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:220:14
#37 0x60c561 in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:193:12
#38 0x60c099 in AP4_ContainerAtom::AP4_ContainerAtom(unsigned int, unsigned long long, bool, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:138:5
#39 0x5521b0 in AP4_MoovAtom::AP4_MoovAtom(unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4MoovAtom.cpp:79:5
#40 0x5cad1d in AP4_MoovAtom::Create(unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4MoovAtom.h:56:20
#41 0x5cad1d in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:357
#42 0x5c7fbd in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:220:14
#43 0x5c75c0 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:150:12
#44 0x54ea2c in AP4_File::ParseStream(AP4_ByteStream&, AP4_AtomFactory&, bool) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4File.cpp:104:12
#45 0x54f0fa in AP4_File::AP4_File(AP4_ByteStream&, bool) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4File.cpp:78:5
#46 0x542552 in main /tmp/Bento4-1.5.0-617/Source/C++/Apps/Mp42Aac/Mp42Aac.cpp:242:32
#47 0x7f1552e11680 in __libc_start_main /var/tmp/portage/sys-libs/glibc-2.23-r4/work/glibc-2.23/csu/../csu/libc-start.c:289
#48 0x44f3f8 in _start (/usr/bin/mp42aac+0x44f3f8)
0x606000000174 is located 0 bytes to the right of 52-byte region [0x606000000140,0x606000000174)
allocated by thread T0 here:
#0 0x53dfb0 in operator new[](unsigned long) /var/tmp/portage/sys-libs/compiler-rt-sanitizers-4.0.1/work/compiler-rt-4.0.1.src/lib/asan/asan_new_delete.cc:84
#1 0x54c887 in AP4_DataBuffer::AP4_DataBuffer(unsigned int) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4DataBuffer.cpp:55:16
#2 0x5d1690 in AP4_AvccAtom::Create(unsigned int, AP4_ByteStream&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AvccAtom.cpp:69:20
#3 0x5cb2e2 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:477:20
#4 0x5c7fbd in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:220:14
#5 0x60c29f in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:193:12
#6 0x575855 in AP4_SampleEntry::Read(AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4SampleEntry.cpp:115:9
#7 0x57d624 in AP4_VisualSampleEntry::AP4_VisualSampleEntry(unsigned int, unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4SampleEntry.cpp:742:5
#8 0x57d624 in AP4_AvcSampleEntry::AP4_AvcSampleEntry(unsigned int, unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4SampleEntry.cpp:994
#9 0x5cbf58 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:305:24
#10 0x5c7fbd in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:220:14
#11 0x586a2c in AP4_StsdAtom::AP4_StsdAtom(unsigned int, unsigned char, unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4StsdAtom.cpp:100:13
#12 0x58566f in AP4_StsdAtom::Create(unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4StsdAtom.cpp:56:16
#13 0x5ca71c in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:422:20
#14 0x5c7fbd in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:220:14
#15 0x60c29f in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:193:12
#16 0x60b1d2 in AP4_ContainerAtom::AP4_ContainerAtom(unsigned int, unsigned long long, bool, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:138:5
#17 0x60b1d2 in AP4_ContainerAtom::Create(unsigned int, unsigned long long, bool, bool, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:87
#18 0x5ca44c in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:751:20
#19 0x5c7fbd in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:220:14
#20 0x60c561 in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:193:12
#21 0x60b1d2 in AP4_ContainerAtom::AP4_ContainerAtom(unsigned int, unsigned long long, bool, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:138:5
#22 0x60b1d2 in AP4_ContainerAtom::Create(unsigned int, unsigned long long, bool, bool, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:87
#23 0x5ca44c in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:751:20
#24 0x5c7fbd in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:220:14
#25 0x60c561 in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:193:12
#26 0x60b1d2 in AP4_ContainerAtom::AP4_ContainerAtom(unsigned int, unsigned long long, bool, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:138:5
#27 0x60b1d2 in AP4_ContainerAtom::Create(unsigned int, unsigned long long, bool, bool, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:87
#28 0x5ca44c in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:751:20
#29 0x5c7fbd in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:220:14
#30 0x60c561 in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:193:12
#31 0x60c099 in AP4_ContainerAtom::AP4_ContainerAtom(unsigned int, unsigned long long, bool, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4ContainerAtom.cpp:138:5
#32 0x58e6ed in AP4_TrakAtom::AP4_TrakAtom(unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4TrakAtom.cpp:165:5
#33 0x5c8e3b in AP4_TrakAtom::Create(unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4TrakAtom.h:58:20
#34 0x5c8e3b in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /tmp/Bento4-1.5.0-617/Source/C++/Core/Ap4AtomFactory.cpp:377
SUMMARY: AddressSanitizer: heap-buffer-overflow /var/tmp/portage/sys-libs/compiler-rt-sanitizers-4.0.1/work/compiler-rt-4.0.1.src/lib/asan/asan_interceptors.cc:453 in __asan_memcpy
Shadow bytes around the buggy address:
0x0c0c7fff7fd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c0c7fff7fe0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c0c7fff7ff0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c0c7fff8000: fa fa fa fa 00 00 00 00 00 00 02 fa fa fa fa fa
0x0c0c7fff8010: 00 00 00 00 00 00 00 fa fa fa fa fa 00 00 00 00
=>0x0c0c7fff8020: 00 00 00 fa fa fa fa fa 00 00 00 00 00 00[04]fa
0x0c0c7fff8030: fa fa fa fa 00 00 00 00 00 00 04 fa fa fa fa fa
0x0c0c7fff8040: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c0c7fff8050: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c0c7fff8060: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c0c7fff8070: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
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
==20986==ABORTING
Affected version:
1.5.0-617
Fixed version:
N/A
Commit fix:
https://github.com/axiomatic-systems/Bento4/commit/53499d8d4c69142137c7c7f0097a444783fdeb90
Credit:
This bug was discovered by Agostino Sarubbo of Gentoo.
CVE:
CVE-2017-14646
Reproducer:
https://github.com/asarubbo/poc/blob/master/00342-bento4-heapoverflow-AP4_DataBuffer_SetData
Timeline:
2017-09-08: bug discovered and reported to upstream
2017-09-14: blog post about the issue
2017-09-21: CVE assigned
Note:
This bug was found with American Fuzzy Lop.
This bug was identified with bare metal servers donated by Packet. This work is also supported by the Core Infrastructure Initiative.
Permalink:
https://blogs.gentoo.org/ago/2017/09/14/bento4-heap-based-buffer-overflow-in-ap4_databuffersetdata-ap4databuffer-cpp/
--
Agostino Sarubbo
Gentoo Linux Developer
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