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fix the arithmetic overflow in allocate_structures() that is still possible on some 32 bit systems (CVE-2023-33204)

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Resolves: CVE-2023-33204
This commit is contained in:
Pavel Simovec 2023-07-11 11:07:06 +02:00
parent 1cbf26046e
commit 5dd19148d8
2 changed files with 29 additions and 2 deletions
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23
CVE-2023-33204.patch Normal file
View File

@ -0,0 +1,23 @@
From 954ff2e2673cef48f0ed44668c466eab041db387 Mon Sep 17 00:00:00 2001
From: Pavel Kopylov <pkopylov@cloudlinux.com>
Date: Wed, 17 May 2023 11:33:45 +0200
Subject: [PATCH] Fix an overflow which is still possible for some values.
diff --git a/common.c b/common.c
index 583a0ca..6d73b1b 100644
--- a/common.c
+++ b/common.c
@@ -1639,9 +1639,11 @@ int parse_values(char *strargv, unsigned char bitmap[], int max_val, const char
*/
void check_overflow(size_t val1, size_t val2, size_t val3)
{
- if ((unsigned long long) val1 *
- (unsigned long long) val2 *
- (unsigned long long) val3 > UINT_MAX) {
+if ((val1 != 0) && (val2 != 0) && (val3 != 0) &&
+ (((unsigned long long)UINT_MAX / (unsigned long long)val1 <
+ (unsigned long long)val2) ||
+ ((unsigned long long)UINT_MAX / ((unsigned long long)val1 *
+ (unsigned long long)val2) < (unsigned long long)val3))) {
#ifdef DEBUG
fprintf(stderr, "%s: Overflow detected (%llu). Aborting...\n",
__FUNCTION__,

8
sysstat.spec
View File

@ -1,7 +1,7 @@
Summary: Collection of performance monitoring tools for Linux
Name: sysstat
Version: 11.7.3
Release: 10%{?dist}
Release: 11%{?dist}
License: GPLv2+
Group: Applications/System
URL: http://sebastien.godard.pagesperso-orange.fr/
@ -20,7 +20,7 @@ Patch05: 0001-sar-Fix-typo-in-manual-page.patch
Patch06: CVE-2022-39377-arithmetic-overflow-in-allocate-structures-on-32-bit-systems.patch
Patch07: 0001-sadc-Add-a-f-flag-to-force-fdatasync-use.patch
Patch08: 0001-mpstat-incorrect-cpu-usage-iowait.patch
Patch09: CVE-2023-33204.patch
BuildRequires: gettext, lm_sensors-devel, systemd
Requires: findutils, xz
@ -56,6 +56,7 @@ The cifsiostat command reports I/O statistics for CIFS file systems.
%patch06 -p1
%patch07 -p1
%patch08 -p1
%patch09 -p1
%build
export CFLAGS="$RPM_OPT_FLAGS -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld"
@ -104,6 +105,9 @@ fi
%{_localstatedir}/log/sa
%changelog
* Fri Jul 07 2023 psimovec <psimovec@redhat.com> - 11.7.3-11
- fix the arithmetic overflow in allocate_structures() that is still possible on some 32 bit systems (CVE-2023-33204)
* Thu Mar 16 2023 Lukáš Zaoral <lzaoral@redhat.com> - 11.7.3-10
- Fix incorrect CPU usage on ALL CPU field for iowait in mpstat (#2178863)