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- security update

Browse Source 
- added patches
  fix CVE-2021-46310 [bsc#1214670], divide by zero in IW44Image.cpp
  + djvulibre-CVE-2021-46310.patch
  fix CVE-2021-46312 [bsc#1214672], divide by zero in IW44EncodeCodec.cpp
  + djvulibre-CVE-2021-46312.patch

OBS-URL: https://build.opensuse.org/package/show/graphics/djvulibre?expand=0&rev=48
This commit is contained in:
Petr Gajdos 2023-08-29 10:51:27 +00:00 committed by Git OBS Bridge
parent 45f59ef6c9
commit f74deba4af
4 changed files with 51 additions and 0 deletions
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17
djvulibre-CVE-2021-46310.patch Normal file
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@ -0,0 +1,17 @@
Index: djvulibre-3.5.28/libdjvu/IW44Image.cpp
===================================================================
--- djvulibre-3.5.28.orig/libdjvu/IW44Image.cpp
+++ djvulibre-3.5.28/libdjvu/IW44Image.cpp
@@ -676,10 +676,10 @@ IW44Image::Map::image(signed char *img8,
// Allocate reconstruction buffer
short *data16;
size_t sz = bw * bh;
+ if (sz == 0) // bw or bh is zero
+ G_THROW("IW44Image: zero size image (corrupted file?)");
if (sz / (size_t)bw != (size_t)bh) // multiplication overflow
G_THROW("IW44Image: image size exceeds maximum (corrupted file?)");
- if (sz == 0)
- G_THROW("IW44Image: zero size image (corrupted file?)");
GPBuffer<short> gdata16(data16,sz);
if (data16 == NULL)
G_THROW("IW44Image: unable to allocate image data");

18
djvulibre-CVE-2021-46312.patch Normal file
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@ -0,0 +1,18 @@
Index: djvulibre-3.5.28/libdjvu/IW44EncodeCodec.cpp
===================================================================
--- djvulibre-3.5.28.orig/libdjvu/IW44EncodeCodec.cpp
+++ djvulibre-3.5.28/libdjvu/IW44EncodeCodec.cpp
@@ -1424,7 +1424,12 @@ IWBitmap::Encode::init(const GBitmap &bm
int h = bm.rows();
int g = bm.get_grays()-1;
signed char *buffer;
- GPBuffer<signed char> gbuffer(buffer,w*h);
+ size_t sz = w * h;
+ if (sz == 0 || g <= 0) // w or h is zero or g is not positive
+ G_THROW("IWBitmap: zero size image (corrupted file?)");
+ if (sz / (size_t)w != (size_t)h) // multiplication overflow
+ G_THROW("IWBitmap: image size exceeds maximum (corrupted file?)");
+ GPBuffer<signed char> gbuffer(buffer,sz);
// Prepare gray level conversion table
signed char bconv[256];
for (i=0; i<256; i++)

10
djvulibre.changes
View File

@ -1,3 +1,13 @@
-------------------------------------------------------------------
Tue Aug 29 10:48:49 UTC 2023 - pgajdos@suse.com
- security update
- added patches
fix CVE-2021-46310 [bsc#1214670], divide by zero in IW44Image.cpp
+ djvulibre-CVE-2021-46310.patch
fix CVE-2021-46312 [bsc#1214672], divide by zero in IW44EncodeCodec.cpp
+ djvulibre-CVE-2021-46312.patch
-------------------------------------------------------------------
Wed May 4 09:30:24 UTC 2022 - Marcus Meissner <meissner@suse.com>

6
djvulibre.spec
View File

@ -37,6 +37,10 @@ Patch2: djvulibre-CVE-2021-32492.patch
Patch3: djvulibre-CVE-2021-32493.patch
# CVE-2021-3500 [bsc#1186253], Stack overflow in function DJVU:DjVuDocument:get_djvu_file() via crafted djvu file
Patch4: djvulibre-CVE-2021-3500.patch
# CVE-2021-46310 [bsc#1214670], divide by zero in IW44Image.cpp
Patch5: djvulibre-CVE-2021-46310.patch
# CVE-2021-46312 [bsc#1214672], divide by zero in IW44EncodeCodec.cpp
Patch6: djvulibre-CVE-2021-46312.patch
BuildRequires: fdupes
BuildRequires: gcc-c++
BuildRequires: hicolor-icon-theme
@ -94,6 +98,8 @@ This package contains the documentation.
%patch2 -p1
%patch3 -p1
%patch4 -p1
%patch5 -p1
%patch6 -p1
%build
# configure script missing; generate using autogen.sh