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2a74f6f7e7
* gnu/packages/patches/gimp-CVE-2017-17784.patch, gnu/packages/patches/gimp-CVE-2017-17785.patch, gnu/packages/patches/gimp-CVE-2017-17786.patch, gnu/packages/patches/gimp-CVE-2017-17787.patch, gnu/packages/patches/gimp-CVE-2017-17789.patch: New files. * gnu/local.mk (dist_patch_DATA): Add them. * gnu/packages/gimp.scm (gimp)[source]: Use them.
41 lines
1.4 KiB
Diff
41 lines
1.4 KiB
Diff
Fix CVE-2017-17784:
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17784
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https://bugzilla.gnome.org/show_bug.cgi?id=790784
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Patch copied from upstream source repository:
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https://git.gnome.org/browse/gimp/commit/?id=c57f9dcf1934a9ab0cd67650f2dea18cb0902270
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From c57f9dcf1934a9ab0cd67650f2dea18cb0902270 Mon Sep 17 00:00:00 2001
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From: Jehan <jehan@girinstud.io>
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Date: Thu, 21 Dec 2017 12:25:32 +0100
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Subject: [PATCH] Bug 790784 - (CVE-2017-17784) heap overread in gbr parser /
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load_image.
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We were assuming the input name was well formed, hence was
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nul-terminated. As any data coming from external input, this has to be
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thorougly checked.
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Similar to commit 06d24a79af94837d615d0024916bb95a01bf3c59 but adapted
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to older gimp-2-8 code.
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---
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plug-ins/common/file-gbr.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/plug-ins/common/file-gbr.c b/plug-ins/common/file-gbr.c
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index b028100bef..d3f01d9c56 100644
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--- a/plug-ins/common/file-gbr.c
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+++ b/plug-ins/common/file-gbr.c
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@@ -443,7 +443,8 @@ load_image (const gchar *filename,
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{
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gchar *temp = g_new (gchar, bn_size);
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- if ((read (fd, temp, bn_size)) < bn_size)
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+ if ((read (fd, temp, bn_size)) < bn_size ||
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+ temp[bn_size - 1] != '\0')
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{
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g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
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_("Error in GIMP brush file '%s'"),
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--
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2.15.1
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