Author: rjones
Update of /cvs/pkgs/rpms/ocaml-camlimages/F-11
In directory cvs1.fedora.phx.redhat.com:/tmp/cvs-serv760
Modified Files:
ocaml-camlimages.spec
Added Files:
camlimages-oversized-png-check-CVE-2009-2295.patch
Log Message:
- ocaml-camlimages: PNG reader multiple integer overflows
(CVE 2009-2295 / RHBZ#509531).
camlimages-oversized-png-check-CVE-2009-2295.patch:
--- NEW FILE camlimages-oversized-png-check-CVE-2009-2295.patch ---
--- camlimages-3.0.1/src/pngread.c 2007-01-18 10:29:57.000000000 +0000
+++ camlimages-3.0.1-oversized-png-checks/src/pngread.c 2009-07-03 14:19:42.000000000 +0100
@@ -26,6 +26,12 @@
#define PNG_TAG_INDEX16 2
#define PNG_TAG_INDEX4 3
+/* Test if x or y are negative, or if multiplying x * y would cause an
+ * arithmetic overflow.
+ */
+#define oversized(x, y) \
+ ((x) < 0 || (y) < 0 || (x) * (y) < (x) || (x) * (y) < (y))
+
value read_png_file_as_rgb24( name )
value name;
{
@@ -81,6 +87,9 @@
png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
&interlace_type, NULL, NULL);
+ if (oversized (width, height))
+ failwith ("png error: image contains oversized or bogus width and height");
+
if ( color_type == PNG_COLOR_TYPE_GRAY ||
color_type == PNG_COLOR_TYPE_GRAY_ALPHA ) {
png_set_gray_to_rgb(png_ptr);
@@ -102,6 +111,9 @@
rowbytes = png_get_rowbytes(png_ptr, info_ptr);
+ if (oversized (rowbytes, height))
+ failwith ("png error: image contains oversized or bogus rowbytes and height");
+
{
int i;
png_bytep *row_pointers;
@@ -235,6 +247,9 @@
png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
&interlace_type, NULL, NULL);
+ if (oversized (width, height))
+ failwith ("png error: image contains oversized or bogus width and height");
+
if ( color_type == PNG_COLOR_TYPE_GRAY ||
color_type == PNG_COLOR_TYPE_GRAY_ALPHA ) {
png_set_gray_to_rgb(png_ptr);
@@ -251,6 +266,9 @@
rowbytes = png_get_rowbytes(png_ptr, info_ptr);
+ if (oversized (rowbytes, height))
+ failwith ("png error: image contains oversized or bogus rowbytes and height");
+
/*
fprintf(stderr, "pngread.c: actual loading\n"); fflush(stderr);
*/
Index: ocaml-camlimages.spec
===================================================================
RCS file: /cvs/pkgs/rpms/ocaml-camlimages/F-11/ocaml-camlimages.spec,v
retrieving revision 1.14
retrieving revision 1.15
diff -u -p -r1.14 -r1.15
--- ocaml-camlimages.spec 26 Feb 2009 06:51:27 -0000 1.14
+++ ocaml-camlimages.spec 3 Jul 2009 13:52:51 -0000 1.15
@@ -4,7 +4,7 @@
Name: ocaml-camlimages
Version: 3.0.1
-Release: 7%{?dist}
+Release: 7%{?dist}.1
Summary: OCaml image processing library
Group: Development/Libraries
@@ -16,6 +16,9 @@ BuildRoot: %{_tmppath}/%{name}-%{ve
Patch0: camlimages-3.0.1-display-module.patch
+# https://bugzilla.redhat.com/show_bug.cgi?id=509531#c4
+Patch1: camlimages-oversized-png-check-CVE-2009-2295.patch
+
BuildRequires: ocaml >= 3.10.1
BuildRequires: ocaml-lablgtk-devel
BuildRequires: ocaml-x11
@@ -62,6 +65,7 @@ Includes documentation provided by ocaml
# Gdk.Display submodule clashes with the Display module in
# the examples/liv directory, so rename it:
%patch0 -p1
+%patch1 -p1
aclocal -I .
automake
autoconf
@@ -107,6 +111,10 @@ rm -rf $RPM_BUILD_ROOT
%changelog
+* Fri Jul 3 2009 Richard W.M. Jones <rjones@xxxxxxxxxx> - 3.0.1-7.fc11.1
+- ocaml-camlimages: PNG reader multiple integer overflows
+ (CVE 2009-2295 / RHBZ#509531).
+
* Wed Feb 25 2009 Fedora Release Engineering <rel-eng@xxxxxxxxxxxxxxxxxxxxxxx> - 3.0.1-7
- Rebuilt for https://fedoraproject.org/wiki/Fedora_11_Mass_Rebuild
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