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43acfcb2c7
* gnu/packages/gnome.scm (libcroco)[replacement]: New field. (libcroco/fixed): New variable. * gnu/packages/patches/libcroco-CVE-2017-7960.patch, gnu/packages/patches/libcroco-CVE-2017-7961.patch: New files. * gnu/local.mk (dist_patch_DATA): Add them.
50 lines
1.6 KiB
Diff
50 lines
1.6 KiB
Diff
Fix CVE-2017-7961:
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7961
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Patch copied from upstream source repository:
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https://git.gnome.org/browse/libcroco/commit/?id=9ad72875e9f08e4c519ef63d44cdbd94aa9504f7
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From 9ad72875e9f08e4c519ef63d44cdbd94aa9504f7 Mon Sep 17 00:00:00 2001
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From: Ignacio Casal Quinteiro <qignacio@amazon.com>
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Date: Sun, 16 Apr 2017 13:56:09 +0200
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Subject: tknzr: support only max long rgb values
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This fixes a possible out of bound when reading rgbs which
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are longer than the support MAXLONG
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---
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src/cr-tknzr.c | 10 ++++++++++
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1 file changed, 10 insertions(+)
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diff --git a/src/cr-tknzr.c b/src/cr-tknzr.c
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index 1a7cfeb..1548c35 100644
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--- a/src/cr-tknzr.c
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+++ b/src/cr-tknzr.c
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@@ -1279,6 +1279,11 @@ cr_tknzr_parse_rgb (CRTknzr * a_this, CRRgb ** a_rgb)
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status = cr_tknzr_parse_num (a_this, &num);
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ENSURE_PARSING_COND ((status == CR_OK) && (num != NULL));
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+ if (num->val > G_MAXLONG) {
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+ status = CR_PARSING_ERROR;
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+ goto error;
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+ }
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+
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red = num->val;
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cr_num_destroy (num);
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num = NULL;
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@@ -1298,6 +1303,11 @@ cr_tknzr_parse_rgb (CRTknzr * a_this, CRRgb ** a_rgb)
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status = cr_tknzr_parse_num (a_this, &num);
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ENSURE_PARSING_COND ((status == CR_OK) && (num != NULL));
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+ if (num->val > G_MAXLONG) {
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+ status = CR_PARSING_ERROR;
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+ goto error;
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+ }
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+
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PEEK_BYTE (a_this, 1, &next_bytes[0]);
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if (next_bytes[0] == '%') {
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SKIP_CHARS (a_this, 1);
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--
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cgit v0.12
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