mirrors/meta-openembedded
1
0
Fork 0
mirror of https://github.com/openembedded/meta-openembedded.git synced 2026-06-13 17:39:57 +00:00
Code Issues Projects Releases Wiki Activity

freerdp: fix CVE-2022-39316/39318/39319

Browse Source 
Signed-off-by: Chee Yang Lee <chee.yang.lee@intel.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
This commit is contained in:
Chee Yang Lee
2023-05-09 11:53:08 +08:00
committed by Armin Kuster
parent 4cc7363978
commit 6bd0340ea2
3 changed files with 96 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
meta-oe/recipes-support/freerdp/freerdp/CVE-2022-39316.patch
+53
View File
@@ -0,0 +1,53 @@
https://github.com/FreeRDP/FreeRDP/commit/e865c24efc40ebc52e75979c94cdd4ee2c1495b0
CVE: CVE-2022-39316
Upstream-Status: Backport
Signed-off-by: Lee Chee Yang <chee.yang.lee@intel.com>
From e865c24efc40ebc52e75979c94cdd4ee2c1495b0 Mon Sep 17 00:00:00 2001
From: akallabeth <akallabeth@posteo.net>
Date: Thu, 13 Oct 2022 09:09:28 +0200
Subject: [PATCH] Added missing length checks in zgfx_decompress_segment
(cherry picked from commit 64716b335858109d14f27b51acc4c4d71a92a816)
---
libfreerdp/codec/zgfx.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/libfreerdp/codec/zgfx.c b/libfreerdp/codec/zgfx.c
index 20fbd354571..e260aa6e28a 100644
--- a/libfreerdp/codec/zgfx.c
+++ b/libfreerdp/codec/zgfx.c
@@ -230,19 +230,19 @@ static BOOL zgfx_decompress_segment(ZGFX_CONTEXT* zgfx, wStream* stream, size_t
BYTE* pbSegment;
size_t cbSegment;
- if (!zgfx || !stream)
+ if (!zgfx || !stream || (segmentSize < 2))
return FALSE;
cbSegment = segmentSize - 1;
- if ((Stream_GetRemainingLength(stream) < segmentSize) || (segmentSize < 1) ||
- (segmentSize > UINT32_MAX))
+ if ((Stream_GetRemainingLength(stream) < segmentSize) || (segmentSize > UINT32_MAX))
return FALSE;
Stream_Read_UINT8(stream, flags); /* header (1 byte) */
zgfx->OutputCount = 0;
pbSegment = Stream_Pointer(stream);
- Stream_Seek(stream, cbSegment);
+ if (!Stream_SafeSeek(stream, cbSegment))
+ return FALSE;
if (!(flags & PACKET_COMPRESSED))
{
@@ -346,6 +346,9 @@ static BOOL zgfx_decompress_segment(ZGFX_CONTEXT* zgfx, wStream* stream, size_t
if (count > sizeof(zgfx->OutputBuffer) - zgfx->OutputCount)
return FALSE;
+ if (count > zgfx->cBitsRemaining / 8)
+ return FALSE;
+
CopyMemory(&(zgfx->OutputBuffer[zgfx->OutputCount]), zgfx->pbInputCurrent,
count);
zgfx_history_buffer_ring_write(zgfx, zgfx->pbInputCurrent, count);
meta-oe/recipes-support/freerdp/freerdp/CVE-2022-39318-39319.patch
+41
View File
@@ -0,0 +1,41 @@
https://github.com/FreeRDP/FreeRDP/commit/80adde17ddc4b596ed1dae0922a0c54ab3d4b8ea
CVE: CVE-2022-39318 CVE-2022-39319
Upstream-Status: Backport
Signed-off-by: Lee Chee Yang <chee.yang.lee@intel.com>
From 80adde17ddc4b596ed1dae0922a0c54ab3d4b8ea Mon Sep 17 00:00:00 2001
From: akallabeth <akallabeth@posteo.net>
Date: Thu, 13 Oct 2022 08:27:41 +0200
Subject: [PATCH] Fixed division by zero in urbdrc
(cherry picked from commit 731f8419d04b481d7160de1f34062d630ed48765)
---
channels/urbdrc/client/libusb/libusb_udevice.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/channels/urbdrc/client/libusb/libusb_udevice.c b/channels/urbdrc/client/libusb/libusb_udevice.c
index 505c31d7b55..ef87f195f38 100644
--- a/channels/urbdrc/client/libusb/libusb_udevice.c
+++ b/channels/urbdrc/client/libusb/libusb_udevice.c
@@ -1221,12 +1221,18 @@ static int libusb_udev_isoch_transfer(IUDEVICE* idev, URBDRC_CHANNEL_CALLBACK* c
if (!Buffer)
Stream_Seek(user_data->data, (NumberOfPackets * 12));
- iso_packet_size = BufferSize / NumberOfPackets;
- iso_transfer = libusb_alloc_transfer(NumberOfPackets);
+ if (NumberOfPackets > 0)
+ {
+ iso_packet_size = BufferSize / NumberOfPackets;
+ iso_transfer = libusb_alloc_transfer((int)NumberOfPackets);
+ }
if (iso_transfer == NULL)
{
- WLog_Print(urbdrc->log, WLOG_ERROR, "Error: libusb_alloc_transfer.");
+ WLog_Print(urbdrc->log, WLOG_ERROR,
+ "Error: libusb_alloc_transfer [NumberOfPackets=%" PRIu32 ", BufferSize=%" PRIu32
+ " ]",
+ NumberOfPackets, BufferSize);
async_transfer_user_data_free(user_data);
return -1;
}
meta-oe/recipes-support/freerdp/freerdp_2.6.1.bb
+2
View File
@@ -16,6 +16,8 @@ PKGV = "${GITPKGVTAG}"
SRCREV = "658a72980f6e93241d927c46cfa664bf2547b8b1"
SRC_URI = "git://github.com/FreeRDP/FreeRDP.git;branch=stable-2.0;protocol=https \
file://winpr-makecert-Build-with-install-RPATH.patch \
file://CVE-2022-39316.patch \
file://CVE-2022-39318-39319.patch \
"
S = "${WORKDIR}/git"