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import tigervnc-1.12.0-9.el8_7.1

This commit is contained in:
CentOS Sources 2023-02-08 05:53:48 -05:00 committed by root
parent 7789bc52c6
commit ac813de0e4
2 changed files with 43 additions and 3 deletions
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35
SOURCES/xorg-x11-server-Xi-fix-potential-use-after-free-in-DeepCopyPointerCl.patch Normal file
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@ -0,0 +1,35 @@
From 7150ba655c0cc08fa6ded309b81265bb672f2869 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Wed, 25 Jan 2023 11:41:40 +1000
Subject: [PATCH xserver] Xi: fix potential use-after-free in
DeepCopyPointerClasses
CVE-2023-0494, ZDI-CAN 19596
This vulnerability was discovered by:
Jan-Niklas Sohn working with Trend Micro Zero Day Initiative
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
---
Xi/exevents.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/Xi/exevents.c b/Xi/exevents.c
index 217baa9561..dcd4efb3bc 100644
--- a/Xi/exevents.c
+++ b/Xi/exevents.c
@@ -619,8 +619,10 @@ DeepCopyPointerClasses(DeviceIntPtr from, DeviceIntPtr to)
memcpy(to->button->xkb_acts, from->button->xkb_acts,
sizeof(XkbAction));
}
- else
+ else {
free(to->button->xkb_acts);
+ to->button->xkb_acts = NULL;
+ }
memcpy(to->button->labels, from->button->labels,
from->button->numButtons * sizeof(Atom));
--
2.39.0

11
SPECS/tigervnc.spec
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@ -5,7 +5,7 @@
Name: tigervnc
Version: 1.12.0
Release: 8%{?dist}
Release: 9%{?dist}.1
Summary: A TigerVNC remote display system
%global _hardened_build 1
@ -38,8 +38,8 @@ Patch100: tigervnc-xserver120.patch
# 1326867 - [RHEL7.3] GLX applications in an Xvnc session fails to start
Patch101: 0001-rpath-hack.patch
# Upstreamable patches
# https://github.com/TigerVNC/tigervnc/pull/1513
# CVE-2023-0494 tigervnc: xorg-x11-server: DeepCopyPointerClasses use-after-free leads to privilege elevation
Patch110: xorg-x11-server-Xi-fix-potential-use-after-free-in-DeepCopyPointerCl.patch
BuildRequires: gcc-c++
BuildRequires: libX11-devel, automake, autoconf, libtool, gettext, gettext-autopoint
@ -162,6 +162,7 @@ for all in `find . -type f -perm -001`; do
done
%patch100 -p1 -b .xserver120-rebased
%patch101 -p1 -b .rpath
%patch110 -p1 -b .Xi-fix-potential-use-after-free-in-DeepCopyPointerCl.patch
popd
%patch1 -p1 -b .use-gnome-as-default-session
@ -327,6 +328,10 @@ fi
%ghost %verify(not md5 size mtime) %{_sharedstatedir}/selinux/%{selinuxtype}/active/modules/200/%{modulename}
%changelog
* Mon Feb 06 2023 Jan Grulich <jgrulich@redhat.com> - 1.12.0-9
- xorg-x11-server: DeepCopyPointerClasses use-after-free leads to privilege elevation
Resolves: bz#2167057
* Tue Dec 06 2022 Jan Grulich <jgrulich@redhat.com> - 1.12.0-8
- x0vncserver: add new keysym in case we don't find matching keycode
Resolves: bz#2150915