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* gnu/packages/patches/libtiff-CVE-2017-9935.patch, gnu/packages/patches/libtiff-CVE-2017-11335.patch, gnu/packages/patches/libtiff-CVE-2017-18013.patch: New files. * gnu/local.mk (dist_patch_DATA): Add them. * gnu/packages/image.scm (libtiff)[replacement]: New field. (libtiff/fixed): New variable.
45 lines
1.6 KiB
Diff
45 lines
1.6 KiB
Diff
Fix CVE-2017-18013:
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http://bugzilla.maptools.org/show_bug.cgi?id=2770
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18013
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Patch copied from upstream source repository:
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https://gitlab.com/libtiff/libtiff/commit/c6f41df7b581402dfba3c19a1e3df4454c551a01
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From c6f41df7b581402dfba3c19a1e3df4454c551a01 Mon Sep 17 00:00:00 2001
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From: Even Rouault <even.rouault@spatialys.com>
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Date: Sun, 31 Dec 2017 15:09:41 +0100
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Subject: [PATCH] libtiff/tif_print.c: TIFFPrintDirectory(): fix null pointer
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dereference on corrupted file. Fixes
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http://bugzilla.maptools.org/show_bug.cgi?id=2770
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---
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libtiff/tif_print.c | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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diff --git a/libtiff/tif_print.c b/libtiff/tif_print.c
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index 9959d353..8deceb2b 100644
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--- a/libtiff/tif_print.c
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+++ b/libtiff/tif_print.c
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@@ -665,13 +665,13 @@ TIFFPrintDirectory(TIFF* tif, FILE* fd, long flags)
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#if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
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fprintf(fd, " %3lu: [%8I64u, %8I64u]\n",
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(unsigned long) s,
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- (unsigned __int64) td->td_stripoffset[s],
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- (unsigned __int64) td->td_stripbytecount[s]);
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+ td->td_stripoffset ? (unsigned __int64) td->td_stripoffset[s] : 0,
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+ td->td_stripbytecount ? (unsigned __int64) td->td_stripbytecount[s] : 0);
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#else
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fprintf(fd, " %3lu: [%8llu, %8llu]\n",
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(unsigned long) s,
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- (unsigned long long) td->td_stripoffset[s],
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- (unsigned long long) td->td_stripbytecount[s]);
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+ td->td_stripoffset ? (unsigned long long) td->td_stripoffset[s] : 0,
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+ td->td_stripbytecount ? (unsigned long long) td->td_stripbytecount[s] : 0);
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#endif
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}
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}
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--
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2.16.1
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