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freerdp: fix CVE-2022-39316/39318/39319
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Source: meta-openembedded
MR: 126092
Type: Integration
Disposition: Merged from meta-openembedded
ChangeID: 6bd0340
Description:

Signed-off-by: Chee Yang Lee <[email protected]>
Signed-off-by: Armin Kuster <[email protected]>
Signed-off-by: Jeremy A. Puhlman <[email protected]>
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cheeyanglee authored and jpuhlman committed May 30, 2023
1 parent 5eae978 commit 93c35a4
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53 changes: 53 additions & 0 deletions meta-oe/recipes-support/freerdp/freerdp/CVE-2022-39316.patch
Original file line number Diff line number Diff line change
@@ -0,0 +1,53 @@
https://github.com/FreeRDP/FreeRDP/commit/e865c24efc40ebc52e75979c94cdd4ee2c1495b0
CVE: CVE-2022-39316
Upstream-Status: Backport
Signed-off-by: Lee Chee Yang <[email protected]>

From e865c24efc40ebc52e75979c94cdd4ee2c1495b0 Mon Sep 17 00:00:00 2001
From: akallabeth <[email protected]>
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);
41 changes: 41 additions & 0 deletions meta-oe/recipes-support/freerdp/freerdp/CVE-2022-39318-39319.patch
Original file line number Diff line number Diff line change
@@ -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 <[email protected]>

From 80adde17ddc4b596ed1dae0922a0c54ab3d4b8ea Mon Sep 17 00:00:00 2001
From: akallabeth <[email protected]>
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;
}
2 changes: 2 additions & 0 deletions meta-oe/recipes-support/freerdp/freerdp_2.6.1.bb
Original file line number Diff line number Diff line change
Expand Up @@ -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"
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