PKGBUILDs/core/binutils/binutils-2.24-CVE-2014-8501.patch
2014-11-19 01:17:19 +00:00

26 lines
761 B
Diff

diff --git a/bfd/peXXigen.c b/bfd/peXXigen.c
index 2fb631c..987be40 100644
--- a/bfd/peXXigen.c
+++ b/bfd/peXXigen.c
@@ -504,6 +504,18 @@ _bfd_XXi_swap_aouthdr_in (bfd * abfd,
{
int idx;
+ /* PR 17512: Corrupt PE binaries can cause seg-faults. */
+ if (a->NumberOfRvaAndSizes > 16)
+ {
+ (*_bfd_error_handler)
+ (_("%B: aout header specifies an invalid number of data-directory entries: %d"),
+ abfd, a->NumberOfRvaAndSizes);
+ /* Paranoia: If the number is corrupt, then assume that the
+ actual entries themselves might be corrupt as well. */
+ a->NumberOfRvaAndSizes = 0;
+ }
+
+
for (idx = 0; idx < a->NumberOfRvaAndSizes; idx++)
{
/* If data directory is empty, rva also should be 0. */
--
1.7.1