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NULL Pointer Access in function imagetopnm of convert.c(jp2):1289 #860

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Young-X opened this issue Oct 29, 2016 · 6 comments
Closed

NULL Pointer Access in function imagetopnm of convert.c(jp2):1289 #860

Young-X opened this issue Oct 29, 2016 · 6 comments

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@Young-X
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@Young-X Young-X commented Oct 29, 2016

DESCRIPTION

OPENJPEG null ptr dereference in convert.c(jp2):1289

VERSION

OPENJPEG-2.1.2

Address Sanitizer Output

==23861==ERROR: AddressSanitizer: SEGV on unknown address 0x00000000 (pc 0x08143ca7 bp 0xbfd92248 sp 0xbfd92040 T0)
#0 0x8143ca6 (/home/yang/openjpeg/openjpeg-2.1.2/build-clang/bin/opj_decompress+0x8143ca6)
#1 0x813727f (/home/yang/openjpeg/openjpeg-2.1.2/build-clang/bin/opj_decompress+0x813727f)
#2 0xb73d8636 (/lib/i386-linux-gnu/libc.so.6+0x18636)
#3 0x805f327 (/home/yang/openjpeg/openjpeg-2.1.2/build-clang/bin/opj_decompress+0x805f327)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/home/yang/openjpeg/openjpeg-2.1.2/build-clang/bin/opj_decompress+0x8143ca6)

GDB Information

(rr) p image->comps[0]
$1 = {dx = 1, dy = 1, w = 20, h = 50, x0 = 0, y0 = 0, prec = 16, bpp = 0, sgnd = 0, resno_decoded = 0, factor = 0, data = 0x0, alpha = 0}

Poc

Contact me if you need Poc file at YangX92@hotmail.com

@1ucian0

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@1ucian0 1ucian0 commented Dec 3, 2016

Please, refer to this issue as CVE-2016-9117

@rouault

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@rouault rouault commented Aug 9, 2017

@Young-X Please verify if that occurs still with latest master. If so, please attach the reproducer to the ticket

@carnil

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@carnil carnil commented Sep 23, 2017

@Young-X can you please provide the reproducer?

@Young-X

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@Young-X Young-X commented Oct 24, 2017

There is no crash with latest version and PoC that triggered #860.
Sorry for replying late.

@Young-X Young-X closed this Oct 24, 2017
@Young-X Young-X reopened this Oct 24, 2017
@Young-X

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@Young-X Young-X commented Oct 24, 2017

wrong operation

@Young-X Young-X closed this Oct 24, 2017
@carnil

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@carnil carnil commented Oct 29, 2017

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