util-linux/backport-CVE-2024-28085.patch

30 lines
832 B
Diff
Raw Normal View History

From 404b0781f52f7c045ca811b2dceec526408ac253 Mon Sep 17 00:00:00 2001
From: Karel Zak <kzak@redhat.com>
Date: Thu, 21 Mar 2024 11:16:20 +0100
Subject: [PATCH] wall: fix escape sequence Injection [CVE-2024-28085]
Let's use for all cases the same output function.
Reported-by: Skyler Ferrante <sjf5462@rit.edu>
Signed-off-by: Karel Zak <kzak@redhat.com>
---
term-utils/wall.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/term-utils/wall.c b/term-utils/wall.c
index f894a32f8..588d3a963 100644
--- a/term-utils/wall.c
+++ b/term-utils/wall.c
@@ -368,7 +368,7 @@ static char *makemsg(char *fname, char **mvec, int mvecsz,
int i;
for (i = 0; i < mvecsz; i++) {
- fputs(mvec[i], fs);
+ fputs_careful(mvec[i], fs, '^', true, TERM_WIDTH);
if (i < mvecsz - 1)
fputc(' ', fs);
}
--
2.33.0