91 lines
2.3 KiB
Diff
91 lines
2.3 KiB
Diff
Description: CVE-2016-2089: matrix rows_ NULL pointer dereference in jas_matrix_clip()
|
|
Origin: vendor
|
|
Bug-RedHat: https://bugzilla.redhat.com/show_bug.cgi?id=1302636
|
|
Bug-Debian: https://bugs.debian.org/812978
|
|
Forwarded: not-needed
|
|
Author: Tomas Hoger <thoger@redhat.com>
|
|
Reviewed-by: Salvatore Bonaccorso <carnil@debian.org>
|
|
Last-Update: 2016-03-05
|
|
|
|
--- a/src/libjasper/base/jas_image.c
|
|
+++ b/src/libjasper/base/jas_image.c
|
|
@@ -426,6 +426,10 @@ int jas_image_readcmpt(jas_image_t *imag
|
|
return -1;
|
|
}
|
|
|
|
+ if (!data->rows_) {
|
|
+ return -1;
|
|
+ }
|
|
+
|
|
if (jas_matrix_numrows(data) != height || jas_matrix_numcols(data) != width) {
|
|
if (jas_matrix_resize(data, height, width)) {
|
|
return -1;
|
|
@@ -479,6 +483,10 @@ int jas_image_writecmpt(jas_image_t *ima
|
|
return -1;
|
|
}
|
|
|
|
+ if (!data->rows_) {
|
|
+ return -1;
|
|
+ }
|
|
+
|
|
if (jas_matrix_numrows(data) != height || jas_matrix_numcols(data) != width) {
|
|
return -1;
|
|
}
|
|
--- a/src/libjasper/base/jas_seq.c
|
|
+++ b/src/libjasper/base/jas_seq.c
|
|
@@ -262,6 +262,10 @@ void jas_matrix_divpow2(jas_matrix_t *ma
|
|
int rowstep;
|
|
jas_seqent_t *data;
|
|
|
|
+ if (!matrix->rows_) {
|
|
+ return;
|
|
+ }
|
|
+
|
|
rowstep = jas_matrix_rowstep(matrix);
|
|
for (i = matrix->numrows_, rowstart = matrix->rows_[0]; i > 0; --i,
|
|
rowstart += rowstep) {
|
|
@@ -282,6 +286,10 @@ void jas_matrix_clip(jas_matrix_t *matri
|
|
jas_seqent_t *data;
|
|
int rowstep;
|
|
|
|
+ if (!matrix->rows_) {
|
|
+ return;
|
|
+ }
|
|
+
|
|
rowstep = jas_matrix_rowstep(matrix);
|
|
for (i = matrix->numrows_, rowstart = matrix->rows_[0]; i > 0; --i,
|
|
rowstart += rowstep) {
|
|
@@ -306,6 +314,10 @@ void jas_matrix_asr(jas_matrix_t *matrix
|
|
int rowstep;
|
|
jas_seqent_t *data;
|
|
|
|
+ if (!matrix->rows_) {
|
|
+ return;
|
|
+ }
|
|
+
|
|
assert(n >= 0);
|
|
rowstep = jas_matrix_rowstep(matrix);
|
|
for (i = matrix->numrows_, rowstart = matrix->rows_[0]; i > 0; --i,
|
|
@@ -325,6 +337,10 @@ void jas_matrix_asl(jas_matrix_t *matrix
|
|
int rowstep;
|
|
jas_seqent_t *data;
|
|
|
|
+ if (!matrix->rows_) {
|
|
+ return;
|
|
+ }
|
|
+
|
|
rowstep = jas_matrix_rowstep(matrix);
|
|
for (i = matrix->numrows_, rowstart = matrix->rows_[0]; i > 0; --i,
|
|
rowstart += rowstep) {
|
|
@@ -367,6 +383,10 @@ void jas_matrix_setall(jas_matrix_t *mat
|
|
int rowstep;
|
|
jas_seqent_t *data;
|
|
|
|
+ if (!matrix->rows_) {
|
|
+ return;
|
|
+ }
|
|
+
|
|
rowstep = jas_matrix_rowstep(matrix);
|
|
for (i = matrix->numrows_, rowstart = matrix->rows_[0]; i > 0; --i,
|
|
rowstart += rowstep) {
|