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import CS tigervnc-1.13.1-8.el9

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This commit is contained in:
eabdullin 2024-03-28 11:55:41 +00:00
parent 0b154d8129
commit e3bc105787
5 changed files with 250 additions and 2 deletions
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13
SOURCES/tigervnc-dont-get-pointer-position-for-floating-device.patch Normal file
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@ -0,0 +1,13 @@
diff --git a/unix/xserver/hw/vnc/vncInput.c b/unix/xserver/hw/vnc/vncInput.c
index b3d0926d..d36a096f 100644
--- a/unix/xserver/hw/vnc/vncInput.c
+++ b/unix/xserver/hw/vnc/vncInput.c
@@ -167,7 +167,7 @@ void vncPointerMove(int x, int y)
void vncGetPointerPos(int *x, int *y)
{
- if (vncPointerDev != NULL) {
+ if (vncPointerDev != NULL && !IsFloating(vncPointerDev)) {
ScreenPtr ptrScreen;
miPointerGetPosition(vncPointerDev, &cursorPosX, &cursorPosY);

135
SOURCES/tigervnc-support-username-alias-in-plainusers.patch Normal file
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@ -0,0 +1,135 @@
diff --git a/common/rfb/SSecurityPlain.cxx b/common/rfb/SSecurityPlain.cxx
index 6f65e87..3142ba3 100644
--- a/common/rfb/SSecurityPlain.cxx
+++ b/common/rfb/SSecurityPlain.cxx
@@ -27,6 +27,8 @@
#include <rdr/InStream.h>
#if !defined(WIN32) && !defined(__APPLE__)
#include <rfb/UnixPasswordValidator.h>
+#include <unistd.h>
+#include <pwd.h>
#endif
#ifdef WIN32
#include <rfb/WinPasswdValidator.h>
@@ -45,21 +47,22 @@ StringParameter PasswordValidator::plainUsers
bool PasswordValidator::validUser(const char* username)
{
- CharArray users(plainUsers.getValueStr()), user;
+ std::vector<std::string> users;
- while (users.buf) {
- strSplit(users.buf, ',', &user.buf, &users.buf);
-#ifdef WIN32
- if (0 == stricmp(user.buf, "*"))
- return true;
- if (0 == stricmp(user.buf, username))
- return true;
-#else
- if (!strcmp(user.buf, "*"))
- return true;
- if (!strcmp(user.buf, username))
- return true;
+ users = split(plainUsers, ',');
+
+ for (size_t i = 0; i < users.size(); i++) {
+ if (users[i] == "*")
+ return true;
+#if !defined(WIN32) && !defined(__APPLE__)
+ if (users[i] == "%u") {
+ struct passwd *pw = getpwnam(username);
+ if (pw && pw->pw_uid == getuid())
+ return true;
+ }
#endif
+ if (users[i] == username)
+ return true;
}
return false;
}
diff --git a/common/rfb/util.cxx b/common/rfb/util.cxx
index 649eb0b..cce73a0 100644
--- a/common/rfb/util.cxx
+++ b/common/rfb/util.cxx
@@ -99,6 +99,26 @@ namespace rfb {
return false;
}
+ std::vector<std::string> split(const char* src,
+ const char delimiter)
+ {
+ std::vector<std::string> out;
+ const char *start, *stop;
+
+ start = src;
+ do {
+ stop = strchr(start, delimiter);
+ if (stop == NULL) {
+ out.push_back(start);
+ } else {
+ out.push_back(std::string(start, stop-start));
+ start = stop + 1;
+ }
+ } while (stop != NULL);
+
+ return out;
+ }
+
bool strContains(const char* src, char c) {
int l=strlen(src);
for (int i=0; i<l; i++)
diff --git a/common/rfb/util.h b/common/rfb/util.h
index f0ac9ef..ed15c28 100644
--- a/common/rfb/util.h
+++ b/common/rfb/util.h
@@ -27,6 +27,9 @@
#include <limits.h>
#include <string.h>
+#include <string>
+#include <vector>
+
struct timeval;
#ifdef __GNUC__
@@ -76,6 +79,10 @@ namespace rfb {
// that part of the string. Obviously, setting both to 0 is not useful...
bool strSplit(const char* src, const char limiter, char** out1, char** out2, bool fromEnd=false);
+ // Splits a string with the specified delimiter
+ std::vector<std::string> split(const char* src,
+ const char delimiter);
+
// Returns true if src contains c
bool strContains(const char* src, char c);
diff --git a/unix/x0vncserver/x0vncserver.man b/unix/x0vncserver/x0vncserver.man
index c36ae34..78db730 100644
--- a/unix/x0vncserver/x0vncserver.man
+++ b/unix/x0vncserver/x0vncserver.man
@@ -125,8 +125,8 @@ parameter instead.
.B \-PlainUsers \fIuser-list\fP
A comma separated list of user names that are allowed to authenticate via
any of the "Plain" security types (Plain, TLSPlain, etc.). Specify \fB*\fP
-to allow any user to authenticate using this security type. Default is to
-deny all users.
+to allow any user to authenticate using this security type. Specify \fB%u\fP
+to allow the user of the server process. Default is to deny all users.
.
.TP
.B \-pam_service \fIname\fP, \-PAMService \fIname\fP
diff --git a/unix/xserver/hw/vnc/Xvnc.man b/unix/xserver/hw/vnc/Xvnc.man
index ea87dea..e9fb654 100644
--- a/unix/xserver/hw/vnc/Xvnc.man
+++ b/unix/xserver/hw/vnc/Xvnc.man
@@ -200,8 +200,8 @@ parameter instead.
.B \-PlainUsers \fIuser-list\fP
A comma separated list of user names that are allowed to authenticate via
any of the "Plain" security types (Plain, TLSPlain, etc.). Specify \fB*\fP
-to allow any user to authenticate using this security type. Default is to
-deny all users.
+to allow any user to authenticate using this security type. Specify \fB%u\fP
+to allow the user of the server process. Default is to deny all users.
.
.TP
.B \-pam_service \fIname\fP, \-PAMService \fIname\fP

17
SOURCES/tigervnc-use-dup-to-get-available-fd-for-inetd.patch Normal file
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@ -0,0 +1,17 @@
diff --git a/unix/xserver/hw/vnc/xvnc.c b/unix/xserver/hw/vnc/xvnc.c
index f8141959..c5c36539 100644
--- a/unix/xserver/hw/vnc/xvnc.c
+++ b/unix/xserver/hw/vnc/xvnc.c
@@ -366,8 +366,10 @@ ddxProcessArgument(int argc, char *argv[], int i)
if (strcmp(argv[i], "-inetd") == 0) {
int nullfd;
- dup2(0, 3);
- vncInetdSock = 3;
+ if ((vncInetdSock = dup(0)) == -1)
+ FatalError
+ ("Xvnc error: failed to allocate a new file descriptor for -inetd: %s\n", strerror(errno));
+
/* Avoid xserver >= 1.19's epoll-fd becoming fd 2 / stderr only to be
replaced by /dev/null by OsInit() because the pollfd is not

32
SOURCES/xorg-CVE-2024-0229-followup.patch Normal file
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@ -0,0 +1,32 @@
From 133e0d651c5d12bf01999d6289e84e224ba77adc Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Mon, 22 Jan 2024 14:22:12 +1000
Subject: [PATCH] dix: fix valuator copy/paste error in the DeviceStateNotify
event
Fixes 219c54b8a3337456ce5270ded6a67bcde53553d5
---
dix/enterleave.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/dix/enterleave.c b/dix/enterleave.c
index 7b7ba1098b..c1e6ac600e 100644
--- a/dix/enterleave.c
+++ b/dix/enterleave.c
@@ -619,11 +619,11 @@ FixDeviceValuator(DeviceIntPtr dev, deviceValuator * ev, ValuatorClassPtr v,
ev->first_valuator = first;
switch (ev->num_valuators) {
case 6:
- ev->valuator2 = v->axisVal[first + 5];
+ ev->valuator5 = v->axisVal[first + 5];
case 5:
- ev->valuator2 = v->axisVal[first + 4];
+ ev->valuator4 = v->axisVal[first + 4];
case 4:
- ev->valuator2 = v->axisVal[first + 3];
+ ev->valuator3 = v->axisVal[first + 3];
case 3:
ev->valuator2 = v->axisVal[first + 2];
case 2:
--
GitLab

55
SPECS/tigervnc.spec
View File

@ -5,7 +5,7 @@
Name: tigervnc
Version: 1.13.1
Release: 2%{?dist}
Release: 8%{?dist}
Summary: A TigerVNC remote display system
%global _hardened_build 1
@ -26,12 +26,22 @@ Patch1: tigervnc-use-gnome-as-default-session.patch
Patch2: tigervnc-vncsession-restore-script-systemd-service.patch
# Upstream patches
Patch50: tigervnc-support-username-alias-in-plainusers.patch
Patch51: tigervnc-use-dup-to-get-available-fd-for-inetd.patch
# Upstreamable patches
Patch80: tigervnc-dont-get-pointer-position-for-floating-device.patch
# This is tigervnc-%%{version}/unix/xserver116.patch rebased on the latest xorg
Patch100: tigervnc-xserver120.patch
# 1326867 - [RHEL7.3] GLX applications in an Xvnc session fails to start
Patch101: 0001-rpath-hack.patch
# XServer patches
# CVE-2024-0229
# https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1251
Patch200: xorg-CVE-2024-0229-followup.patch
BuildRequires: make
BuildRequires: gcc-c++
BuildRequires: gettext
@ -180,12 +190,18 @@ for all in `find . -type f -perm -001`; do
done
%patch100 -p1 -b .xserver120-rebased
%patch101 -p1 -b .rpath
%patch200 -p1 -b .xorg-CVE-2024-0229-followup
popd
%patch1 -p1 -b .use-gnome-as-default-session
%patch2 -p1 -b .vncsession-restore-script-systemd-service
# Upstream patches
%patch50 -p1 -b .support-username-alias-in-plainusers
%patch51 -p1 -b .use-dup-to-get-available-fd-for-inetd
# Upstreamable patches
%patch80 -p1 -b .dont-get-pointer-position-for-floating-device
%build
%ifarch sparcv9 sparc64 s390 s390x
@ -365,9 +381,44 @@ fi
%files selinux
%{_datadir}/selinux/packages/%{selinuxtype}/%{modulename}.pp.*
%ghost %verify(not md5 size mtime) %{_sharedstatedir}/selinux/%{selinuxtype}/active/modules/200/%{modulename}
%ghost %verify(not md5 size mode mtime) %{_sharedstatedir}/selinux/%{selinuxtype}/active/modules/200/%{modulename}
%changelog
* Wed Feb 07 2024 Jan Grulich <jgrulich@redhat.com> - 1.13.1-8
- Fix copy/paste error in the DeviceStateNotify
Resolves: RHEL-20533
* Mon Jan 22 2024 Jan Grulich <jgrulich@redhat.com> - 1.13.1-7
- Fix CVE-2024-21886 tigervnc: xorg-x11-server: heap buffer overflow in DisableDevice
Resolves: RHEL-20389
- Fix CVE-2024-21885 tigervnc: xorg-x11-server: heap buffer overflow in XISendDeviceHierarchyEvent
Resolves: RHEL-20383
- Fix CVE-2024-0229 tigervnc: xorg-x11-server: reattaching to different master device may lead to out-of-bounds memory access
Resolves: RHEL-20533
- Fix CVE-2023-6816 tigervnc: xorg-x11-server: Heap buffer overflow in DeviceFocusEvent and ProcXIQueryPointer
Resolves: RHEL-21213
* Mon Jan 08 2024 Jan Grulich <jgrulich@redhat.com> - 1.13.1-6
- Use dup() to get available file descriptor when using -inetd option
Resolves: RHEL-19858
* Mon Dec 18 2023 Jan Grulich <jgrulich@redhat.com> - 1.13.1-5
- Fix CVE-2023-6377 tigervnc: xorg-x11-server: out-of-bounds memory reads/writes in XKB button actions
Resolves: RHEL-18414
- Fix CVE-2023-6478 tigervnc: xorg-x11-server: out-of-bounds memory read in RRChangeOutputProperty and RRChangeProviderProperty
Resolves: RHEL-18426
* Wed Nov 01 2023 Jan Grulich <jgrulich@redhat.com> - 1.13.1-4
- Fix CVE-2023-5380 tigervnc: xorg-x11-server: Use-after-free bug in DestroyWindow
Resolves: RHEL-15237
- Fix CVE-2023-5367 tigervnc: xorg-x11-server: Out-of-bounds write in XIChangeDeviceProperty/RRChangeOutputProperty
Resolves: RHEL-15249
* Mon Oct 09 2023 Jan Grulich <jgrulich@redhat.com> - 1.13.1-3
- Support username alias in PlainUsers
Resolves: RHEL-8430
* Tue Apr 11 2023 Jan Grulich <jgrulich@redhat.com> - 1.13.1-2
- xorg-x11-server: X.Org Server Overlay Window Use-After-Free Local Privilege
Escalation Vulnerability