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* gnu/packages/patches/jasper-CVE-2016-1557.patch, gnu/packages/patches/jasper-CVE-2016-2089.patch, gnu/packages/patches/jasper-CVE-2016-2116.patch: New files. * gnu-system.am (dist_patch_DATA): Add them. * gnu/packages/image.scm (jasper)[source]: Add patches.
90 lines
2.3 KiB
Diff
90 lines
2.3 KiB
Diff
Description: CVE-2016-2089: matrix rows_ NULL pointer dereference in jas_matrix_clip()
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Origin: vendor
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Bug-RedHat: https://bugzilla.redhat.com/show_bug.cgi?id=1302636
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Bug-Debian: https://bugs.debian.org/812978
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Forwarded: not-needed
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Author: Tomas Hoger <thoger@redhat.com>
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Reviewed-by: Salvatore Bonaccorso <carnil@debian.org>
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Last-Update: 2016-03-05
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--- a/src/libjasper/base/jas_image.c
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+++ b/src/libjasper/base/jas_image.c
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@@ -426,6 +426,10 @@ int jas_image_readcmpt(jas_image_t *imag
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return -1;
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}
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+ if (!data->rows_) {
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+ return -1;
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+ }
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+
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if (jas_matrix_numrows(data) != height || jas_matrix_numcols(data) != width) {
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if (jas_matrix_resize(data, height, width)) {
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return -1;
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@@ -479,6 +483,10 @@ int jas_image_writecmpt(jas_image_t *ima
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return -1;
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}
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+ if (!data->rows_) {
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+ return -1;
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+ }
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+
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if (jas_matrix_numrows(data) != height || jas_matrix_numcols(data) != width) {
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return -1;
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}
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--- a/src/libjasper/base/jas_seq.c
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+++ b/src/libjasper/base/jas_seq.c
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@@ -262,6 +262,10 @@ void jas_matrix_divpow2(jas_matrix_t *ma
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int rowstep;
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jas_seqent_t *data;
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+ if (!matrix->rows_) {
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+ return;
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+ }
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+
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rowstep = jas_matrix_rowstep(matrix);
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for (i = matrix->numrows_, rowstart = matrix->rows_[0]; i > 0; --i,
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rowstart += rowstep) {
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@@ -282,6 +286,10 @@ void jas_matrix_clip(jas_matrix_t *matri
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jas_seqent_t *data;
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int rowstep;
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+ if (!matrix->rows_) {
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+ return;
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+ }
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+
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rowstep = jas_matrix_rowstep(matrix);
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for (i = matrix->numrows_, rowstart = matrix->rows_[0]; i > 0; --i,
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rowstart += rowstep) {
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@@ -306,6 +314,10 @@ void jas_matrix_asr(jas_matrix_t *matrix
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int rowstep;
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jas_seqent_t *data;
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+ if (!matrix->rows_) {
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+ return;
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+ }
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+
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assert(n >= 0);
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rowstep = jas_matrix_rowstep(matrix);
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for (i = matrix->numrows_, rowstart = matrix->rows_[0]; i > 0; --i,
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@@ -325,6 +337,10 @@ void jas_matrix_asl(jas_matrix_t *matrix
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int rowstep;
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jas_seqent_t *data;
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+ if (!matrix->rows_) {
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+ return;
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+ }
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+
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rowstep = jas_matrix_rowstep(matrix);
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for (i = matrix->numrows_, rowstart = matrix->rows_[0]; i > 0; --i,
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rowstart += rowstep) {
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@@ -367,6 +383,10 @@ void jas_matrix_setall(jas_matrix_t *mat
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int rowstep;
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jas_seqent_t *data;
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+ if (!matrix->rows_) {
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+ return;
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+ }
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+
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rowstep = jas_matrix_rowstep(matrix);
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for (i = matrix->numrows_, rowstart = matrix->rows_[0]; i > 0; --i,
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rowstart += rowstep) {
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