autofs/SOURCES/autofs-5.1.7-add-length-check-in-umount_subtree_mounts.patch
2021-12-08 12:28:52 +00:00

39 lines
1011 B
Diff

autofs-5.1.7 - add length check in umount_subtree_mounts()
From: Ian Kent <raven@themaw.net>
Coverity: fixed_size_dest: You might overrun the 4097-character
fixed-size string "key" by copying "me->key" without
checking the length.
Signed-off-by: Ian Kent <raven@themaw.net>
---
CHANGELOG | 1 +
daemon/automount.c | 5 +++++
2 files changed, 6 insertions(+)
--- autofs-5.1.4.orig/CHANGELOG
+++ autofs-5.1.4/CHANGELOG
@@ -55,6 +55,7 @@
- fix possible memory leak in master_parse().
- fix possible memory leak in mnts_add_amdmount().
- fix double unlock in parse_mount().
+- add length check in umount_subtree_mounts().
xx/xx/2018 autofs-5.1.5
- fix flag file permission.
--- autofs-5.1.4.orig/daemon/automount.c
+++ autofs-5.1.4/daemon/automount.c
@@ -562,6 +562,11 @@ static int umount_subtree_mounts(struct
left++;
}
+ if (me->len > PATH_MAX) {
+ crit(ap->logopt, "me->key too long for buffer");
+ return 1;
+ }
+
strcpy(key, me->key);
cache_unlock(mc);