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zbar: use better patches for CVE-2023-40889 & CVE-2023-40890

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This commit is contained in:
Robert Scott 2023-12-16 18:44:31 +00:00
parent 05fdbaa602
commit 73f7d41339
3 changed files with 10 additions and 45 deletions
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17
pkgs/tools/graphics/zbar/0.23.92-CVE-2023-40889.patch
View File

@ -1,17 +0,0 @@
Simple bounds checks for CVE-2023-40889, based on third-party
fix by Remi Meier @
https://github.com/Raemi/zbar/commit/5e8acc6974f17e56c3ddaa5509870beb8d7a599c
--- a/zbar/qrcode/qrdec.c
+++ b/zbar/qrcode/qrdec.c
@@ -3900,8 +3900,8 @@ void qr_reader_match_centers(qr_reader *_reader,qr_code_data_list *_qrlist,
/*TODO: We might be able to accelerate this step significantly by
considering the remaining finder centers in a more intelligent order,
based on the first finder center we just chose.*/
- for(j=i+1;!mark[i]&&j<_ncenters;j++){
- for(k=j+1;!mark[j]&&k<_ncenters;k++)if(!mark[k]){
+ for(j=i+1; i < _ncenters && !mark[i]&&j<_ncenters;j++){
+ for(k=j+1; j < _ncenters && !mark[j]&&k<_ncenters;k++)if(!mark[k]){
qr_finder_center *c[3];
qr_code_data qrdata;
int version;

26
pkgs/tools/graphics/zbar/0.23.92-CVE-2023-40890.patch
View File

@ -1,26 +0,0 @@
Simple bounds checks for CVE-2023-40890
--- a/zbar/decoder/databar.c
+++ b/zbar/decoder/databar.c
@@ -23,6 +23,8 @@
#include <config.h>
#include <zbar.h>
+#include <stdlib.h>
+#include <stdio.h>
#ifdef DEBUG_DATABAR
# define DEBUG_LEVEL (DEBUG_DATABAR)
@@ -691,6 +693,12 @@ lookup_sequence (databar_segment_t *seg,
fixed = -1;
s <<= 1;
dbprintf(2, "%x", s);
+
+ if (i > 20) {
+ fprintf(stderr, "Bug: Out-of-bounds condition detected\n");
+ exit(99);
+ }
+
seq[i++] = s++;
seq[i++] = s;
}

12
pkgs/tools/graphics/zbar/default.nix
View File

@ -44,8 +44,16 @@ stdenv.mkDerivation rec {
};
patches = [
./0.23.92-CVE-2023-40889.patch
./0.23.92-CVE-2023-40890.patch
(fetchpatch {
name = "CVE-2023-40889.patch";
url = "https://salsa.debian.org/debian/zbar/-/raw/debian/0.23.92-9/debian/patches/0003-CVE-2023-40889-qrdec.c-Fix-array-out-of-bounds-acces.patch";
hash = "sha256-z0IADJwUt9PBoox5xJJN//5vrcRbIrWB9H7wtxNVUZU=";
})
(fetchpatch {
name = "CVE-2023-40890.patch";
url = "https://salsa.debian.org/debian/zbar/-/raw/debian/0.23.92-9/debian/patches/0004-Add-bounds-check-for-CVE-2023-40890.patch";
hash = "sha256-YgiptwXpRpz0qIcXBpARfIzSB8KYmksZR58o5yFPahs=";
})
];
nativeBuildInputs = [