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freerdp: patch CVE-2023-40569

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Details: https://nvd.nist.gov/vuln/detail/CVE-2023-40569

Pick the patch that was identified[1] by Debian as the solution.

[1]: https://security-tracker.debian.org/tracker/CVE-2023-40569

Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
This commit is contained in:
Gyorgy Sarvari
2026-01-21 08:04:39 +01:00
parent d4e1c145e6
commit bb987740aa
2 changed files with 39 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
meta-oe/recipes-support/freerdp/freerdp/CVE-2023-40569.patch
+38
View File
@@ -0,0 +1,38 @@
From acc25a2257a960c82adea14faf48730c9139811d Mon Sep 17 00:00:00 2001
From: akallabeth <akallabeth@posteo.net>
Date: Tue, 22 Aug 2023 15:05:20 +0200
Subject: [PATCH] fix missing destination checks
(cherry picked from commit ef7e0d60c207dae478952d795e74751d1516629d)
CVE: CVE-2023-40569
Upstream-Status: Backport [https://github.com/FreeRDP/FreeRDP/commit/23c3daeca1598393f8c93f563f7847a4d67919f1]
Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
---
libfreerdp/codec/progressive.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/libfreerdp/codec/progressive.c b/libfreerdp/codec/progressive.c
index 60343b881..a30da6201 100644
--- a/libfreerdp/codec/progressive.c
+++ b/libfreerdp/codec/progressive.c
@@ -2425,11 +2425,17 @@ INT32 progressive_decompress_ex(PROGRESSIVE_CONTEXT* progressive, const BYTE* pS
for (j = 0; j < nbUpdateRects; j++)
{
const RECTANGLE_16* rect = &updateRects[j];
- const UINT32 nXSrc = rect->left - (nXDst + tile->x);
- const UINT32 nYSrc = rect->top - (nYDst + tile->y);
+ if (rect->left < updateRect.left)
+ goto fail;
+ const UINT32 nXSrc = rect->left - updateRect.left;
+ const UINT32 nYSrc = rect->top - updateRect.top;
const UINT32 width = rect->right - rect->left;
const UINT32 height = rect->bottom - rect->top;
+ if (rect->left + width > surface->width)
+ goto fail;
+ if (rect->top + height > surface->height)
+ goto fail;
if (!freerdp_image_copy(pDstData, DstFormat, nDstStep, rect->left, rect->top, width,
height, tile->data, progressive->format, tile->stride, nXSrc,
nYSrc, NULL, FREERDP_FLIP_NONE))
meta-oe/recipes-support/freerdp/freerdp_2.6.1.bb
+1
View File
@@ -26,6 +26,7 @@ SRC_URI = "git://github.com/FreeRDP/FreeRDP.git;branch=stable-2.0;protocol=https
file://CVE-2023-39352.patch \
file://CVE-2023-39353.patch \
file://CVE-2023-40181.patch \
file://CVE-2023-40569.patch \
"
S = "${WORKDIR}/git"