35 lines
1.1 KiB
Diff
35 lines
1.1 KiB
Diff
From 96f51e8fb8daf43da636f6475827d697829fdb8b Mon Sep 17 00:00:00 2001
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From: B Horn <b@horn.uk>
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Date: Sun, 12 May 2024 02:48:33 +0100
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Subject: [PATCH 03/20] fs/hfs: Fix stack OOB write with grub_strcpy()
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Replaced with grub_strlcpy().
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Fixes: CVE-2024-45782
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Fixes: CVE-2024-56737
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Fixes: https://savannah.gnu.org/bugs/?66599
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Reported-by: B Horn <b@horn.uk>
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Signed-off-by: B Horn <b@horn.uk>
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Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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---
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grub-core/fs/hfs.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/grub-core/fs/hfs.c b/grub-core/fs/hfs.c
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index 91dc0e69c3..920112b03e 100644
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--- a/grub-core/fs/hfs.c
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+++ b/grub-core/fs/hfs.c
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@@ -379,7 +379,7 @@ grub_hfs_mount (grub_disk_t disk)
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volume name. */
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key.parent_dir = grub_cpu_to_be32_compile_time (1);
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key.strlen = data->sblock.volname[0];
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- grub_strcpy ((char *) key.str, (char *) (data->sblock.volname + 1));
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+ grub_strlcpy ((char *) key.str, (char *) (data->sblock.volname + 1), sizeof (key.str));
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if (grub_hfs_find_node (data, (char *) &key, data->cat_root,
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0, (char *) &dir, sizeof (dir)) == 0)
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--
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2.48.1
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