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Fix for CVE-2013-1861 backported from MariaDB

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Resolves: #921836
This commit is contained in:
Honza Horák 2013-06-03 17:30:42 +02:00 committed by Michal Schorm
parent a8bc704d6d
commit 74bb4c4ea0
2 changed files with 174 additions and 0 deletions
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170
community-mysql-cve-2013-1861.patch Normal file
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@ -0,0 +1,170 @@
diff -up mysql-5.5.31/mysql-test/r/gis.result.cve mysql-5.5.31/mysql-test/r/gis.result
--- mysql-5.5.31/mysql-test/r/gis.result.cve 2013-06-03 16:32:33.732025515 +0200
+++ mysql-5.5.31/mysql-test/r/gis.result 2013-06-03 16:34:04.519691044 +0200
@@ -1113,4 +1113,19 @@ SELECT 1 FROM g1 WHERE a >= ANY
(SELECT 1 FROM g1 WHERE a = geomfromtext('') OR a) ;
1
DROP TABLE g1;
+#
+# TODO-424 geometry query crashes server
+#
+select astext(0x0100000000030000000100000000000010);
+astext(0x0100000000030000000100000000000010)
+NULL
+select area(0x0100000000030000000100000000000010);
+area(0x0100000000030000000100000000000010)
+NULL
+select astext(exteriorring(0x0100000000030000000100000000000010));
+astext(exteriorring(0x0100000000030000000100000000000010))
+NULL
+select astext(centroid(0x0100000000030000000100000000000010));
+astext(centroid(0x0100000000030000000100000000000010))
+NULL
End of 5.5 tests
diff -up mysql-5.5.31/mysql-test/t/gis.test.cve mysql-5.5.31/mysql-test/t/gis.test
--- mysql-5.5.31/mysql-test/t/gis.test.cve 2013-06-03 16:32:33.733025512 +0200
+++ mysql-5.5.31/mysql-test/t/gis.test 2013-06-03 16:34:38.942560749 +0200
@@ -868,4 +868,11 @@ SELECT 1 FROM g1 WHERE a >= ANY
DROP TABLE g1;
+--echo #
+--echo # TODO-424 geometry query crashes server
+--echo #
+select astext(0x0100000000030000000100000000000010);
+select area(0x0100000000030000000100000000000010);
+select astext(exteriorring(0x0100000000030000000100000000000010));
+select astext(centroid(0x0100000000030000000100000000000010));
--echo End of 5.5 tests
diff -up mysql-5.5.31/sql/spatial.cc.cve mysql-5.5.31/sql/spatial.cc
--- mysql-5.5.31/sql/spatial.cc.cve 2013-03-25 14:14:58.000000000 +0100
+++ mysql-5.5.31/sql/spatial.cc 2013-06-03 16:45:52.790665557 +0200
@@ -538,7 +538,7 @@ bool Gis_line_string::get_data_as_wkt(St
n_points= uint4korr(data);
data += 4;
- if (n_points < 1 ||
+ if (n_points < 1 || n_points > max_n_points ||
no_data(data, SIZEOF_STORED_DOUBLE * 2 * n_points) ||
txt->reserve(((MAX_DIGITS_IN_DOUBLE + 1)*2 + 1) * n_points))
return 1;
@@ -576,7 +576,8 @@ int Gis_line_string::geom_length(double
return 1;
n_points= uint4korr(data);
data+= 4;
- if (n_points < 1 || no_data(data, SIZEOF_STORED_DOUBLE * 2 * n_points))
+ if (n_points < 1 || n_points > max_n_points ||
+ no_data(data, SIZEOF_STORED_DOUBLE * 2 * n_points))
return 1;
get_point(&prev_x, &prev_y, data);
@@ -610,7 +611,7 @@ int Gis_line_string::is_closed(int *clos
return 0;
}
data+= 4;
- if (n_points == 0 ||
+ if (n_points == 0 || n_points > max_n_points ||
no_data(data, SIZEOF_STORED_DOUBLE * 2 * n_points))
return 1;
@@ -780,7 +781,7 @@ bool Gis_polygon::get_data_as_wkt(String
return 1;
n_points= uint4korr(data);
data+= 4;
- if (no_data(data, (SIZEOF_STORED_DOUBLE*2) * n_points) ||
+ if (n_points > max_n_points || no_data(data, (SIZEOF_STORED_DOUBLE*2) * n_points) ||
txt->reserve(2 + ((MAX_DIGITS_IN_DOUBLE + 1) * 2 + 1) * n_points))
return 1;
txt->qs_append('(');
@@ -834,7 +835,7 @@ int Gis_polygon::area(double *ar, const
if (no_data(data, 4))
return 1;
n_points= uint4korr(data);
- if (no_data(data, (SIZEOF_STORED_DOUBLE*2) * n_points))
+ if (n_points > max_n_points || no_data(data, (SIZEOF_STORED_DOUBLE*2) * n_points))
return 1;
get_point(&prev_x, &prev_y, data+4);
data+= (4+SIZEOF_STORED_DOUBLE*2);
@@ -870,7 +871,8 @@ int Gis_polygon::exterior_ring(String *r
n_points= uint4korr(data);
data+= 4;
length= n_points * POINT_DATA_SIZE;
- if (no_data(data, length) || result->reserve(1+4+4+ length))
+ if (n_points > max_n_points ||
+ no_data(data, length) || result->reserve(1+4+4+ length))
return 1;
result->q_append((char) wkb_ndr);
@@ -916,7 +918,8 @@ int Gis_polygon::interior_ring_n(uint32
n_points= uint4korr(data);
points_size= n_points * POINT_DATA_SIZE;
data+= 4;
- if (no_data(data, points_size) || result->reserve(1+4+4+ points_size))
+ if (n_points > max_n_points ||
+ no_data(data, points_size) || result->reserve(1+4+4+ points_size))
return 1;
result->q_append((char) wkb_ndr);
@@ -955,7 +958,7 @@ int Gis_polygon::centroid_xy(double *x,
return 1;
org_n_points= n_points= uint4korr(data);
data+= 4;
- if (no_data(data, (SIZEOF_STORED_DOUBLE*2) * n_points))
+ if (n_points > max_n_points || no_data(data, (SIZEOF_STORED_DOUBLE*2) * n_points))
return 1;
get_point(&prev_x, &prev_y, data);
data+= (SIZEOF_STORED_DOUBLE*2);
@@ -1242,7 +1245,7 @@ bool Gis_multi_line_string::get_data_as_
return 1;
n_points= uint4korr(data + WKB_HEADER_SIZE);
data+= WKB_HEADER_SIZE + 4;
- if (no_data(data, n_points * (SIZEOF_STORED_DOUBLE*2)) ||
+ if (n_points > max_n_points || no_data(data, n_points * (SIZEOF_STORED_DOUBLE*2)) ||
txt->reserve(2 + ((MAX_DIGITS_IN_DOUBLE + 1) * 2 + 1) * n_points))
return 1;
txt->qs_append('(');
@@ -1503,7 +1506,8 @@ bool Gis_multi_polygon::get_data_as_wkt(
return 1;
uint32 n_points= uint4korr(data);
data+= 4;
- if (no_data(data, (SIZEOF_STORED_DOUBLE * 2) * n_points) ||
+ if (n_points > max_n_points ||
+ no_data(data, (SIZEOF_STORED_DOUBLE * 2) * n_points) ||
txt->reserve(2 + ((MAX_DIGITS_IN_DOUBLE + 1) * 2 + 1) * n_points,
512))
return 1;
@@ -1586,6 +1590,8 @@ int Gis_multi_polygon::geometry_n(uint32
if (no_data(data, 4))
return 1;
n_points= uint4korr(data);
+ if (n_points > max_n_points)
+ return 1;
data+= 4 + POINT_DATA_SIZE * n_points;
}
} while (--num);
diff -up mysql-5.5.31/sql/spatial.h.cve mysql-5.5.31/sql/spatial.h
--- mysql-5.5.31/sql/spatial.h.cve 2013-03-25 14:14:58.000000000 +0100
+++ mysql-5.5.31/sql/spatial.h 2013-06-03 16:32:33.737025500 +0200
@@ -200,6 +200,11 @@ struct Geometry_buffer;
class Geometry
{
public:
+ // Maximum number of points in feature that can fit into String
+ static const uint32 max_n_points=
+ (uint32) (UINT_MAX32 - WKB_HEADER_SIZE - 4 /* n_points */) /
+ POINT_DATA_SIZE;
+
Geometry() {} /* Remove gcc warning */
virtual ~Geometry() {} /* Remove gcc warning */
static void *operator new(size_t size, void *buffer)
@@ -383,10 +388,6 @@ public:
class Gis_line_string: public Geometry
{
- // Maximum number of points in LineString that can fit into String
- static const uint32 max_n_points=
- (uint32) (UINT_MAX32 - WKB_HEADER_SIZE - 4 /* n_points */) /
- POINT_DATA_SIZE;
public:
Gis_line_string() {} /* Remove gcc warning */
virtual ~Gis_line_string() {} /* Remove gcc warning */

4
community-mysql.spec
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@ -61,6 +61,7 @@ Patch22: community-mysql-major.patch
Patch23: community-mysql-sharedir.patch
Patch24: community-mysql-man-pages.patch
Patch25: community-mysql-tmpdir.patch
Patch26: community-mysql-cve-2013-1861.patch
BuildRequires: perl, readline-devel, openssl-devel
BuildRequires: cmake, ncurses-devel, zlib-devel, libaio-devel
@ -244,6 +245,7 @@ the MySQL sources.
%patch23 -p1
%patch24 -p1
%patch25 -p1
%patch26 -p1
# workaround for upstream bug #56342
rm -f mysql-test/t/ssl_8k_key-master.opt
@ -708,6 +710,8 @@ install -m 0644 mysql-test/rh-skipped-tests.list ${RPM_BUILD_ROOT}%{_datadir}/my
- Use /var/tmp as default tmpdir to prevent potential issues
Resolves: #905635
- Fix test suite requirements
- Fix for CVE-2013-1861 backported from MariaDB
Resolves: #921836
* Wed May 29 2013 Jan Stanek <jstanek@redhat.com> 5.5.31-6
- Added missing command-line options to man-pages (#948930)