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import cairo-1.15.12-6.el8

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CentOS Sources 2022-05-10 03:07:31 -04:00 committed by Stepan Oksanichenko
parent fb8bc3bb1c
commit 3822f185cd
2 changed files with 217 additions and 2 deletions
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199
SOURCES/cairo-1.15.12-CVE-2020-35492.patch Normal file
View File

@ -0,0 +1,199 @@
From 40e9d1a0a69f01b55b4fa131bc253c7c09a0ae91 Mon Sep 17 00:00:00 2001
From: Heiko Lewin <heiko.lewin@worldiety.de>
Date: Tue, 15 Dec 2020 16:48:19 +0100
Subject: [PATCH 1/2] Fix mask usage in image-compositor
---
src/cairo-image-compositor.c | 8 ++--
test/Makefile.sources | 1 +
test/bug-image-compositor.c | 39 ++++++++++++++++++++
test/reference/bug-image-compositor.ref.png | Bin 0 -> 185 bytes
4 files changed, 44 insertions(+), 4 deletions(-)
create mode 100644 test/bug-image-compositor.c
create mode 100644 test/reference/bug-image-compositor.ref.png
diff --git a/src/cairo-image-compositor.c b/src/cairo-image-compositor.c
index 122a8ca42..b20e2ec78 100644
--- a/src/cairo-image-compositor.c
+++ b/src/cairo-image-compositor.c
@@ -2601,14 +2601,14 @@ _inplace_src_spans (void *abstract_renderer, int y, int h,
unsigned num_spans)
{
cairo_image_span_renderer_t *r = abstract_renderer;
- uint8_t *m;
+ uint8_t *m, *base = (uint8_t*)pixman_image_get_data(r->mask);
int x0;
if (num_spans == 0)
return CAIRO_STATUS_SUCCESS;
x0 = spans[0].x;
- m = r->_buf;
+ m = base;
do {
int len = spans[1].x - spans[0].x;
if (len >= r->u.composite.run_length && spans[0].coverage == 0xff) {
@@ -2646,7 +2646,7 @@ _inplace_src_spans (void *abstract_renderer, int y, int h,
spans[0].x, y,
spans[1].x - spans[0].x, h);
- m = r->_buf;
+ m = base;
x0 = spans[1].x;
} else if (spans[0].coverage == 0x0) {
if (spans[0].x != x0) {
@@ -2675,7 +2675,7 @@ _inplace_src_spans (void *abstract_renderer, int y, int h,
#endif
}
- m = r->_buf;
+ m = base;
x0 = spans[1].x;
} else {
*m++ = spans[0].coverage;
diff --git a/test/Makefile.sources b/test/Makefile.sources
index c47131faf..86fd53d15 100644
--- a/test/Makefile.sources
+++ b/test/Makefile.sources
@@ -33,6 +33,7 @@ test_sources = \
bug-source-cu.c \
bug-extents.c \
bug-seams.c \
+ bug-image-compositor.c \
caps.c \
checkerboard.c \
caps-joins.c \
diff --git a/test/bug-image-compositor.c b/test/bug-image-compositor.c
new file mode 100644
index 000000000..fc4fd370b
--- /dev/null
+++ b/test/bug-image-compositor.c
@@ -0,0 +1,39 @@
+#include "cairo-test.h"
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+ cairo_set_source_rgb (cr, 0., 0., 0.);
+ cairo_paint (cr);
+
+ cairo_set_source_rgb (cr, 1., 1., 1.);
+ cairo_set_line_width (cr, 1.);
+
+ cairo_pattern_t *p = cairo_pattern_create_linear (0, 0, width, height);
+ cairo_pattern_add_color_stop_rgb (p, 0, 0.99, 1, 1);
+ cairo_pattern_add_color_stop_rgb (p, 1, 1, 1, 1);
+ cairo_set_source (cr, p);
+
+ cairo_move_to (cr, 0.5, -1);
+ for (int i = 0; i < width; i+=3) {
+ cairo_rel_line_to (cr, 2, 2);
+ cairo_rel_line_to (cr, 1, -2);
+ }
+
+ cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
+ cairo_stroke (cr);
+
+ cairo_pattern_destroy(p);
+
+ return CAIRO_TEST_SUCCESS;
+}
+
+
+CAIRO_TEST (bug_image_compositor,
+ "Crash in image-compositor",
+ "stroke, stress", /* keywords */
+ NULL, /* requirements */
+ 10000, 1,
+ NULL, draw)
+
+
diff --git a/test/reference/bug-image-compositor.ref.png b/test/reference/bug-image-compositor.ref.png
new file mode 100644
index 0000000000000000000000000000000000000000..939f659d2c8620e9927a3a79f5e96fb639c418be
GIT binary patch
literal 185
zcmeAS@N?(olHy`uVBq!ia0y~yP!|BQ89A7M<o7+wF+hqf$=lt9;Xep2*t>i(P$bXO
z#WAE}&f8-f1se=_SPWL_NSx=C)BnJ0eBr6Z%1egFEOv(*t#+|{>X&v^RS7GQe(vez
lf)$wgmAfM(p2Sx&&i!{gWy)N&qd=P(JYD@<);T3K0RWsgHuC@g
literal 0
HcmV?d00001
--
2.34.1
From afc23bfdc3c2597b9fe0ee34b9b4bfa47fa03698 Mon Sep 17 00:00:00 2001
From: Heiko Lewin <heiko.lewin@worldiety.de>
Date: Tue, 15 Dec 2020 17:14:18 +0100
Subject: [PATCH 2/2] Minor cleanups
---
test/bug-image-compositor.c | 33 ++++++++++++++++++++++++++++++---
1 file changed, 30 insertions(+), 3 deletions(-)
diff --git a/test/bug-image-compositor.c b/test/bug-image-compositor.c
index fc4fd370b..304ea089c 100644
--- a/test/bug-image-compositor.c
+++ b/test/bug-image-compositor.c
@@ -1,5 +1,34 @@
+/*
+ * Copyright © 2020 Uli Schlachter, Heiko Lewin
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Author: Uli Schlachter <psychon@znc.in>
+ * Author: Heiko Lewin <hlewin@gmx.de>
+ */
#include "cairo-test.h"
+
+/* This test reproduces an overflow of a mask-buffer in cairo-image-compositor.c */
+
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
@@ -13,6 +42,7 @@ draw (cairo_t *cr, int width, int height)
cairo_pattern_add_color_stop_rgb (p, 0, 0.99, 1, 1);
cairo_pattern_add_color_stop_rgb (p, 1, 1, 1, 1);
cairo_set_source (cr, p);
+ cairo_pattern_destroy(p);
cairo_move_to (cr, 0.5, -1);
for (int i = 0; i < width; i+=3) {
@@ -23,8 +53,6 @@ draw (cairo_t *cr, int width, int height)
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_stroke (cr);
- cairo_pattern_destroy(p);
-
return CAIRO_TEST_SUCCESS;
}
@@ -36,4 +64,3 @@ CAIRO_TEST (bug_image_compositor,
10000, 1,
NULL, draw)
-
--
2.34.1

20
SPECS/cairo.spec
View File

@ -11,7 +11,7 @@
Name: cairo
Version: 1.15.12
Release: 3%{?dist}
Release: 6%{?dist}
Summary: A 2D graphics library
License: LGPLv2 or MPLv1.1
@ -26,6 +26,9 @@ Patch3: cairo-multilib.patch
# https://gitlab.freedesktop.org/cairo/cairo/merge_requests/1
Patch4: 0001-Set-default-LCD-filter-to-FreeType-s-default.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=1908113
Patch5: cairo-1.15.12-CVE-2020-35492.patch
BuildRequires: pkgconfig
BuildRequires: libXrender-devel
BuildRequires: libX11-devel
@ -40,6 +43,9 @@ BuildRequires: librsvg2-devel
BuildRequires: mesa-libGL-devel
BuildRequires: mesa-libEGL-devel
%endif
# Required for Patch5.
BuildRequires: autoconf automake libtool
BuildRequires: git-core
%description
Cairo is a 2D graphics library designed to provide high-quality display
@ -94,9 +100,10 @@ This package contains tools for working with the cairo graphics library.
* cairo-trace: Record cairo library calls for later playback
%prep
%autosetup -p1
%autosetup -S git
%build
autoreconf --force --install
%configure --disable-static \
--enable-xlib \
--enable-ft \
@ -178,6 +185,15 @@ find $RPM_BUILD_ROOT -name '*.la' -delete
%{_libdir}/cairo/
%changelog
* Thu Jan 20 2022 David King <dking@redhat.com> - 1.15.12-6
- Fix CVE reference test (#1908113)
* Thu Jan 20 2022 David King <dking@redhat.com> - 1.15.12-5
- Add reference test to CVE fix (#1908113)
* Mon Jan 17 2022 David King <dking@redhat.com> - 1.15.12-4
- Fix CVE-2020-35492 (#1908113)
* Thu Dec 6 2018 Marek Kasik <mkasik@redhat.com> - 1.15.12-3
- Set default LCD filter to FreeType's default
- Resolves: #1651240