binutils/SOURCES/binutils-CVE-2018-10372.patch
2021-10-08 09:55:04 +00:00

23 lines
719 B
Diff

--- binutils.orig/binutils/dwarf.c 2018-05-01 11:42:02.656431736 +0100
+++ binutils-2.30/binutils/dwarf.c 2018-05-01 11:43:24.210383020 +0100
@@ -9244,7 +9244,18 @@ process_cu_tu_index (struct dwarf_sectio
}
if (!do_display)
- memcpy (&this_set[row - 1].signature, ph, sizeof (uint64_t));
+ {
+ size_t num_copy = sizeof (uint64_t);
+
+ /* PR 23064: Beware of buffer overflow. */
+ if (ph + num_copy < limit)
+ memcpy (&this_set[row - 1].signature, ph, num_copy);
+ else
+ {
+ warn (_("Signature (%p) extends beyond end of space in section\n"), ph);
+ return 0;
+ }
+ }
prow = poffsets + (row - 1) * ncols * 4;
/* PR 17531: file: b8ce60a8. */