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authorEric Bénard <eric@eukrea.com>2013-02-05 15:04:12 +0100
committerRichard Purdie <richard.purdie@linuxfoundation.org>2013-02-06 09:36:33 +0000
commite7d8746c32d1ef08327ca4774812af9a8e75a0c4 (patch)
treefef7953a76f43373980638294cb7521e44c25e71 /meta/recipes-qt
parent5ce5c3d1226d4a8a4997c63acc1b1b125770d005 (diff)
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qt4: fix CVE-2013-0254
fix "POSIX shared memory segments created world-writeable" more details : http://lists.qt-project.org/pipermail/announce/2013-February/000023.html Signed-off-by: Eric Bénard <eric@eukrea.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-qt')
-rw-r--r--meta/recipes-qt/qt4/qt4-4.8.4.inc1
-rw-r--r--meta/recipes-qt/qt4/qt4-4.8.4/0024-Change-all-shmget-calls-to-user-only-memory.patch147
-rw-r--r--meta/recipes-qt/qt4/qt4-embedded_4.8.4.bb2
-rw-r--r--meta/recipes-qt/qt4/qt4-x11-free_4.8.4.bb2
4 files changed, 150 insertions, 2 deletions
diff --git a/meta/recipes-qt/qt4/qt4-4.8.4.inc b/meta/recipes-qt/qt4/qt4-4.8.4.inc
index 0bc106251e..3f0f0036c4 100644
--- a/meta/recipes-qt/qt4/qt4-4.8.4.inc
+++ b/meta/recipes-qt/qt4/qt4-4.8.4.inc
@@ -23,6 +23,7 @@ SRC_URI = "http://releases.qt-project.org/qt4/source/qt-everywhere-opensource-sr
file://0020-webkit-disable-the-fuse-ld-gold-flag.patch \
file://0022-ssl-certificates-blacklist-mis-issued-turktrust-certificates.patch \
file://0023-qtnetwork-blacklist-two-more-certificates.patch \
+ file://0024-Change-all-shmget-calls-to-user-only-memory.patch \
file://g++.conf \
file://linux.conf \
"
diff --git a/meta/recipes-qt/qt4/qt4-4.8.4/0024-Change-all-shmget-calls-to-user-only-memory.patch b/meta/recipes-qt/qt4/qt4-4.8.4/0024-Change-all-shmget-calls-to-user-only-memory.patch
new file mode 100644
index 0000000000..6c796a36c9
--- /dev/null
+++ b/meta/recipes-qt/qt4/qt4-4.8.4/0024-Change-all-shmget-calls-to-user-only-memory.patch
@@ -0,0 +1,147 @@
+From 20b26bdb3dd5e46b01b9a7e1ce8342074df3c89c Mon Sep 17 00:00:00 2001
+From: Thiago Macieira <thiago.macieira@intel.com>
+Date: Sat, 22 Dec 2012 08:32:12 -0800
+Subject: [PATCH] Change all shmget calls to user-only memory
+
+Drop the read and write permissions for group and other users in the
+system.
+
+Change-Id: I8fc753f09126651af3fb82df3049050f0b14e876
+(cherry-picked from Qt 5 commit 856f209fb63ae336bfb389a12d2a75fa886dc1c5)
+Reviewed-by: Richard J. Moore <rich@kde.org>
+
+Upstream-Status: Accepted http://qt.gitorious.org/qt/qt/commit/20b26bdb3dd5e46b01b9a7e1ce8342074df3c89c
+---
+ src/corelib/kernel/qsharedmemory_unix.cpp | 6 +++---
+ src/corelib/kernel/qsystemsemaphore_unix.cpp | 4 ++--
+ src/gui/image/qnativeimage.cpp | 2 +-
+ src/gui/image/qpixmap_x11.cpp | 2 +-
+ src/plugins/platforms/xcb/qxcbwindowsurface.cpp | 2 +-
+ src/plugins/platforms/xlib/qxlibwindowsurface.cpp | 2 +-
+ .../auto/qtipc/qsharedmemory/tst_qsharedmemory.cpp | 2 +-
+ tools/qvfb/qvfbshmem.cpp | 4 ++--
+ 8 files changed, 12 insertions(+), 12 deletions(-)
+
+diff --git a/src/corelib/kernel/qsharedmemory_unix.cpp b/src/corelib/kernel/qsharedmemory_unix.cpp
+index 20d76e3..4cf3acf 100644
+--- a/src/corelib/kernel/qsharedmemory_unix.cpp
++++ b/src/corelib/kernel/qsharedmemory_unix.cpp
+@@ -238,7 +238,7 @@ bool QSharedMemoryPrivate::create(int size)
+ }
+
+ // create
+- if (-1 == shmget(unix_key, size, 0666 | IPC_CREAT | IPC_EXCL)) {
++ if (-1 == shmget(unix_key, size, 0600 | IPC_CREAT | IPC_EXCL)) {
+ QString function = QLatin1String("QSharedMemory::create");
+ switch (errno) {
+ case EINVAL:
+@@ -293,7 +293,7 @@ bool QSharedMemoryPrivate::attach(QSharedMemory::AccessMode mode)
+ {
+ #ifndef QT_POSIX_IPC
+ // grab the shared memory segment id
+- int id = shmget(unix_key, 0, (mode == QSharedMemory::ReadOnly ? 0444 : 0660));
++ int id = shmget(unix_key, 0, (mode == QSharedMemory::ReadOnly ? 0400 : 0600));
+ if (-1 == id) {
+ setErrorString(QLatin1String("QSharedMemory::attach (shmget)"));
+ return false;
+@@ -381,7 +381,7 @@ bool QSharedMemoryPrivate::detach()
+ size = 0;
+
+ // Get the number of current attachments
+- int id = shmget(unix_key, 0, 0444);
++ int id = shmget(unix_key, 0, 0400);
+ cleanHandle();
+
+ struct shmid_ds shmid_ds;
+diff --git a/src/corelib/kernel/qsystemsemaphore_unix.cpp b/src/corelib/kernel/qsystemsemaphore_unix.cpp
+index fad9acc..e77456b 100644
+--- a/src/corelib/kernel/qsystemsemaphore_unix.cpp
++++ b/src/corelib/kernel/qsystemsemaphore_unix.cpp
+@@ -153,10 +153,10 @@ key_t QSystemSemaphorePrivate::handle(QSystemSemaphore::AccessMode mode)
+ }
+
+ // Get semaphore
+- semaphore = semget(unix_key, 1, 0666 | IPC_CREAT | IPC_EXCL);
++ semaphore = semget(unix_key, 1, 0600 | IPC_CREAT | IPC_EXCL);
+ if (-1 == semaphore) {
+ if (errno == EEXIST)
+- semaphore = semget(unix_key, 1, 0666 | IPC_CREAT);
++ semaphore = semget(unix_key, 1, 0600 | IPC_CREAT);
+ if (-1 == semaphore) {
+ setErrorString(QLatin1String("QSystemSemaphore::handle"));
+ cleanHandle();
+diff --git a/src/gui/image/qnativeimage.cpp b/src/gui/image/qnativeimage.cpp
+index 9654afe..fef38c5 100644
+--- a/src/gui/image/qnativeimage.cpp
++++ b/src/gui/image/qnativeimage.cpp
+@@ -176,7 +176,7 @@ QNativeImage::QNativeImage(int width, int height, QImage::Format format,bool /*
+
+ bool ok;
+ xshminfo.shmid = shmget(IPC_PRIVATE, xshmimg->bytes_per_line * xshmimg->height,
+- IPC_CREAT | 0777);
++ IPC_CREAT | 0700);
+ ok = xshminfo.shmid != -1;
+ if (ok) {
+ xshmimg->data = (char*)shmat(xshminfo.shmid, 0, 0);
+diff --git a/src/gui/image/qpixmap_x11.cpp b/src/gui/image/qpixmap_x11.cpp
+index 280d8bd..88c9b7b 100644
+--- a/src/gui/image/qpixmap_x11.cpp
++++ b/src/gui/image/qpixmap_x11.cpp
+@@ -193,7 +193,7 @@ static bool qt_create_mitshm_buffer(const QPaintDevice* dev, int w, int h)
+ bool ok;
+ xshminfo.shmid = shmget(IPC_PRIVATE,
+ xshmimg->bytes_per_line * xshmimg->height,
+- IPC_CREAT | 0777);
++ IPC_CREAT | 0700);
+ ok = xshminfo.shmid != -1;
+ if (ok) {
+ xshmimg->data = (char*)shmat(xshminfo.shmid, 0, 0);
+diff --git a/src/plugins/platforms/xcb/qxcbwindowsurface.cpp b/src/plugins/platforms/xcb/qxcbwindowsurface.cpp
+index b6a42d8..0d56821 100644
+--- a/src/plugins/platforms/xcb/qxcbwindowsurface.cpp
++++ b/src/plugins/platforms/xcb/qxcbwindowsurface.cpp
+@@ -98,7 +98,7 @@ QXcbShmImage::QXcbShmImage(QXcbScreen *screen, const QSize &size, uint depth, QI
+ 0);
+
+ m_shm_info.shmid = shmget (IPC_PRIVATE,
+- m_xcb_image->stride * m_xcb_image->height, IPC_CREAT|0777);
++ m_xcb_image->stride * m_xcb_image->height, IPC_CREAT|0600);
+
+ m_shm_info.shmaddr = m_xcb_image->data = (quint8 *)shmat (m_shm_info.shmid, 0, 0);
+ m_shm_info.shmseg = xcb_generate_id(xcb_connection());
+diff --git a/src/plugins/platforms/xlib/qxlibwindowsurface.cpp b/src/plugins/platforms/xlib/qxlibwindowsurface.cpp
+index bf003eb..46a2f97 100644
+--- a/src/plugins/platforms/xlib/qxlibwindowsurface.cpp
++++ b/src/plugins/platforms/xlib/qxlibwindowsurface.cpp
+@@ -99,7 +99,7 @@ void QXlibWindowSurface::resizeShmImage(int width, int height)
+
+
+ image_info->shminfo.shmid = shmget (IPC_PRIVATE,
+- image->bytes_per_line * image->height, IPC_CREAT|0777);
++ image->bytes_per_line * image->height, IPC_CREAT|0700);
+
+ image_info->shminfo.shmaddr = image->data = (char*)shmat (image_info->shminfo.shmid, 0, 0);
+ image_info->shminfo.readOnly = False;
+diff --git a/tools/qvfb/qvfbshmem.cpp b/tools/qvfb/qvfbshmem.cpp
+index 7f9671f..84b6ebe 100644
+--- a/tools/qvfb/qvfbshmem.cpp
++++ b/tools/qvfb/qvfbshmem.cpp
+@@ -176,13 +176,13 @@ QShMemViewProtocol::QShMemViewProtocol(int displayid, const QSize &s,
+ uint data_offset_value = sizeof(QVFbHeader);
+
+ int dataSize = bpl * h + data_offset_value;
+- shmId = shmget(key, dataSize, IPC_CREAT | 0666);
++ shmId = shmget(key, dataSize, IPC_CREAT | 0600);
+ if (shmId != -1)
+ data = (unsigned char *)shmat(shmId, 0, 0);
+ else {
+ struct shmid_ds shm;
+ shmctl(shmId, IPC_RMID, &shm);
+- shmId = shmget(key, dataSize, IPC_CREAT | 0666);
++ shmId = shmget(key, dataSize, IPC_CREAT | 0600);
+ if (shmId == -1) {
+ perror("QShMemViewProtocol::QShMemViewProtocol");
+ qFatal("Cannot get shared memory 0x%08x", key);
+--
+1.7.1
+
diff --git a/meta/recipes-qt/qt4/qt4-embedded_4.8.4.bb b/meta/recipes-qt/qt4/qt4-embedded_4.8.4.bb
index 6024192ec9..286da95e2f 100644
--- a/meta/recipes-qt/qt4/qt4-embedded_4.8.4.bb
+++ b/meta/recipes-qt/qt4/qt4-embedded_4.8.4.bb
@@ -1,7 +1,7 @@
require qt4-${PV}.inc
require qt4-embedded.inc
-PR = "${INC_PR}.2"
+PR = "${INC_PR}.3"
QT_CONFIG_FLAGS_append_arm = "${@bb.utils.contains("TUNE_FEATURES", "neon", "", " -no-neon" ,d)}"
diff --git a/meta/recipes-qt/qt4/qt4-x11-free_4.8.4.bb b/meta/recipes-qt/qt4/qt4-x11-free_4.8.4.bb
index 7de6a82a62..e5db30d41d 100644
--- a/meta/recipes-qt/qt4/qt4-x11-free_4.8.4.bb
+++ b/meta/recipes-qt/qt4/qt4-x11-free_4.8.4.bb
@@ -1,7 +1,7 @@
require qt4-x11-free.inc
require qt4-${PV}.inc
-PR = "${INC_PR}.2"
+PR = "${INC_PR}.3"
QT_CONFIG_FLAGS_append_arm = "${@bb.utils.contains("TUNE_FEATURES", "neon", "", " -no-neon" ,d)}"