PKGBUILDs/core/binutils/binutils-2.24-CVE-2014-8484.patch
2014-11-19 01:17:19 +00:00

31 lines
839 B
Diff

--- binutils-2.24/bfd/srec.c 2013-11-04 16:33:37.000000000 +0100
+++ binutils-2.24-1/bfd/srec.c 2014-10-24 21:46:38.973046641 +0200
@@ -455,7 +455,7 @@
{
file_ptr pos;
char hdr[3];
- unsigned int bytes;
+ unsigned int bytes, min_bytes;
bfd_vma address;
bfd_byte *data;
unsigned char check_sum;
@@ -478,6 +478,19 @@
}
check_sum = bytes = HEX (hdr + 1);
+ min_bytes = 3;
+ if (hdr[0] == '2' || hdr[0] == '8')
+ min_bytes = 4;
+ else if (hdr[0] == '3' || hdr[0] == '7')
+ min_bytes = 5;
+ if (bytes < min_bytes)
+ {
+ (*_bfd_error_handler) (_("%B:%d: byte count %d too small\n"),
+ abfd, lineno, bytes);
+ bfd_set_error (bfd_error_bad_value);
+ goto error_return;
+ }
+
if (bytes * 2 > bufsize)
{
if (buf != NULL)