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fix CVE-2021-3575

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zhangpan 2024-10-29 10:43:48 +00:00
parent f18beff8e7
commit 989e69d908
2 changed files with 36 additions and 25 deletions
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56
backport-CVE-2021-3575.patch
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@ -1,35 +1,43 @@
From f4cb033a340b55dbc576453c4b6a967fec5cbbda Mon Sep 17 00:00:00 2001
From: Mehdi Sabwat <mehdisabwat@gmail.com>
Date: Fri, 7 May 2021 01:50:37 +0200
Subject: [PATCH] fix heap buffer overflow #1347
Conflict:NA
Reference:https://github.com/uclouvain/openjpeg/commit/f4cb033a340b55dbc576453c4b6a967fec5cbbda
From 7bd884f8750892de4f50bf4642fcfbe7011c6bdf Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Sun, 18 Feb 2024 17:02:25 +0100
Subject: [PATCH] opj_decompress: fix off-by-one read heap-buffer-overflow in
sycc420_to_rgb() when x0 and y0 are odd (CVE-2021-3575, fixes #1347)
Reference:https://github.com/uclouvain/openjpeg/commit/7bd884f8750892de4f50bf4642fcfbe7011c6bdf
Conflict:NA
---
src/bin/common/color.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
src/bin/common/color.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/src/bin/common/color.c b/src/bin/common/color.c
index 27f15f137..935fa44eb 100644
index 27f15f137..ae5d648da 100644
--- a/src/bin/common/color.c
+++ b/src/bin/common/color.c
@@ -368,12 +368,15 @@ static void sycc420_to_rgb(opj_image_t *img)
@@ -358,7 +358,15 @@ static void sycc420_to_rgb(opj_image_t *img)
if (i < loopmaxh) {
size_t j;
- for (j = 0U; j < (maxw & ~(size_t)1U); j += 2U) {
+ if (offx > 0U) {
+ sycc_to_rgb(offset, upb, *y, 0, 0, r, g, b);
+ ++y;
+ ++r;
+ ++g;
+ ++b;
+ }
+
+ for (j = 0U; j < (loopmaxw & ~(size_t)1U); j += 2U) {
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
- ++y;
+ if (*y != img->comps[0].data[loopmaxh])
+ ++y;
++r;
++g;
++b;
- ++cb;
- ++cr;
+ if (*cb != img->comps[1].data[loopmaxh])
+ ++cb;
+ if (*cr != img->comps[2].data[loopmaxh])
+ ++cr;
++y;
@@ -375,7 +383,7 @@ static void sycc420_to_rgb(opj_image_t *img)
++cb;
++cr;
}
if (j < maxw) {
- if (j < maxw) {
+ if (j < loopmaxw) {
sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
}
}

5
openjpeg2.spec
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@ -1,6 +1,6 @@
Name: openjpeg2
Version: 2.3.1
Release: 12
Release: 13
Summary: C-Library for JPEG 2000
License: BSD and MIT
URL: https://github.com/uclouvain/openjpeg
@ -103,6 +103,9 @@ mv %{buildroot}%{_mandir}/man1/opj_dump.1 %{buildroot}%{_mandir}/man1/opj2_dump.
%{_mandir}/man3/*.3*
%changelog
* Tue Oct 29 2024 zhangpan <zhangpan103@h-partners.com> - 2.3.1-13
- fix CVE-2021-3575
* Thu Jul 11 2024 xinghe <xinghe2@h-partners.com> - 2.3.1-12
- Type:cves
- ID:CVE-2023-39328