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01338963f9
Including CVE fixes for: CVE-2024-12084 CVE-2024-12085 CVE-2024-12086 CVE-2024-12087 CVE-2024-12088 CVE-2024-12747 The patch list is based on rsync_3.2.7-1+deb12u2 from Debian. Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
39 lines
1.3 KiB
Diff
39 lines
1.3 KiB
Diff
From 688f5c379a433038bde36897a156d589be373a98 Mon Sep 17 00:00:00 2001
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From: Wayne Davison <wayne@opencoder.net>
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Date: Thu, 14 Nov 2024 15:46:50 -0800
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Subject: [PATCH] Refuse a duplicate dirlist.
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---
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flist.c | 9 +++++++++
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rsync.h | 1 +
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2 files changed, 10 insertions(+)
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--- a/flist.c
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+++ b/flist.c
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@@ -2584,6 +2584,15 @@ struct file_list *recv_file_list(int f,
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init_hard_links();
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#endif
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+ if (inc_recurse && dir_ndx >= 0) {
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+ struct file_struct *file = dir_flist->files[dir_ndx];
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+ if (file->flags & FLAG_GOT_DIR_FLIST) {
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+ rprintf(FERROR_XFER, "rsync: refusing malicious duplicate flist for dir %d\n", dir_ndx);
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+ exit_cleanup(RERR_PROTOCOL);
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+ }
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+ file->flags |= FLAG_GOT_DIR_FLIST;
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+ }
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+
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flist = flist_new(0, "recv_file_list");
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flist_expand(flist, FLIST_START_LARGE);
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--- a/rsync.h
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+++ b/rsync.h
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@@ -84,6 +84,7 @@
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#define FLAG_DUPLICATE (1<<4) /* sender */
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#define FLAG_MISSING_DIR (1<<4) /* generator */
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#define FLAG_HLINKED (1<<5) /* receiver/generator (checked on all types) */
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+#define FLAG_GOT_DIR_FLIST (1<<5)/* sender/receiver/generator - dir_flist only */
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#define FLAG_HLINK_FIRST (1<<6) /* receiver/generator (w/FLAG_HLINKED) */
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#define FLAG_IMPLIED_DIR (1<<6) /* sender/receiver/generator (dirs only) */
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#define FLAG_HLINK_LAST (1<<7) /* receiver/generator */
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