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Add patch for CVE-2024-43168 in unbound #10157

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Merged
aadhar-agarwal merged 1 commit into from
Aug 21, 2024
Merged

Add patch for CVE-2024-43168 in unbound #10157

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25 changes: 25 additions & 0 deletions SPECS/unbound/CVE-2024-43168.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,25 @@
From 193401e7543a1e561dd634a3eaae932fa462a2b9 Mon Sep 17 00:00:00 2001
From: zhailiangliang <zhailiangliang@loongson.cn>
Date: Wed, 3 Apr 2024 15:40:58 +0800
Subject: [PATCH] fix heap-buffer-overflow issue in function cfg_mark_ports of
file util/config_file.c

---
util/config_file.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/util/config_file.c b/util/config_file.c
index 26185da02..e7b2f1959 100644
--- a/util/config_file.c
+++ b/util/config_file.c
@@ -1761,6 +1761,10 @@ cfg_mark_ports(const char* str, int allow, int* avail, int num)
#endif
if(!mid) {
int port = atoi(str);
+ if(port < 0) {
+ log_err("Prevent out-of-bounds access to array avail");
+ return 0;
+ }
if(port == 0 && strcmp(str, "0") != 0) {
log_err("cannot parse port number '%s'", str);
return 0;
6 changes: 5 additions & 1 deletion SPECS/unbound/unbound.spec
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Original file line number Diff line number Diff line change
@@ -1,14 +1,15 @@
Summary: unbound dns server
Name: unbound
Version: 1.19.1
Release: 1%{?dist}
Release: 2%{?dist}
License: BSD
Vendor: Microsoft Corporation
Distribution: Mariner
Group: System/Servers
URL: https://nlnetlabs.nl/projects/unbound/about/
Source0: https://github.com/nlnetlabs/%{name}/archive/release-%{version}.tar.gz#/%{name}-release-%{version}.tar.gz
Source1: %{name}.service
Patch0: CVE-2024-43168.patch
BuildRequires: expat-devel
BuildRequires: libevent-devel
BuildRequires: python3-devel
Expand Down Expand Up @@ -96,6 +97,9 @@ useradd -r -g unbound -d %{_sysconfdir}/unbound -s /sbin/nologin \
%{_mandir}/*

%changelog
* Thu Aug 15 2024 Aadhar Agarwal <aadagarwal@microsoft.com> - 1.19.1-2
- Add patch to fix CVE-2024-43168

* Wed Feb 28 2024 CBL-Mariner Servicing Account <cblmargh@microsoft.com> - 1.19.1-1
- Auto-upgrade to 1.19.1 - Fix CVE-2023-50387

Expand Down