xrdp: patch CVE-2022-23484

Details: https://nvd.nist.gov/vuln/detail/CVE-2022-23484

Pick the patch that mentions this vulnerability explicitly.

Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
Signed-off-by: Anuj Mittal <anuj.mittal@oss.qualcomm.com>
(cherry picked from commit 2578e5c17d)
Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
Signed-off-by: Anuj Mittal <anuj.mittal@oss.qualcomm.com>
This commit is contained in:
Gyorgy Sarvari
2026-01-24 07:30:04 +01:00
committed by Anuj Mittal
parent d999dd3cc4
commit 57d69cc4d4
2 changed files with 32 additions and 0 deletions
@@ -0,0 +1,31 @@
From c2c6efb1d377be6baaa4acbc9d3700490fe92887 Mon Sep 17 00:00:00 2001
From: matt335672 <30179339+matt335672@users.noreply.github.com>
Date: Wed, 7 Dec 2022 10:03:24 +0000
Subject: [PATCH] CVE-2022-23484
Add check for RAIL window text size
CVE: CVE-2022-23484
Upstream-Status: Backport [https://github.com/neutrinolabs/xrdp/commit/c2c6efb1d377be6baaa4acbc9d3700490fe92887]
Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
---
xrdp/xrdp_mm.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/xrdp/xrdp_mm.c b/xrdp/xrdp_mm.c
index 74b0516afa..4352625874 100644
--- a/xrdp/xrdp_mm.c
+++ b/xrdp/xrdp_mm.c
@@ -929,6 +929,12 @@ xrdp_mm_process_rail_update_window_text(struct xrdp_mm *self, struct stream *s)
g_memset(&rwso, 0, sizeof(rwso));
in_uint32_le(s, size); /* title size */
+ if (size < 0 || !s_check_rem(s, size))
+ {
+ LOG(LOG_LEVEL_ERROR, "%s : invalid window text size %d",
+ __func__, size);
+ return 1;
+ }
rwso.title_info = g_new(char, size + 1);
in_uint8a(s, rwso.title_info, size);
rwso.title_info[size] = 0;
@@ -25,6 +25,7 @@ SRC_URI = "https://github.com/neutrinolabs/${BPN}/releases/download/v${PV}/${BPN
file://CVE-2022-23481.patch \
file://CVE-2022-23482.patch \
file://CVE-2022-23483.patch \
file://CVE-2022-23484.patch \
"
SRC_URI[sha256sum] = "db693401da95b71b4d4e4c99aeb569a546dbdbde343f6d3302b0c47653277abb"