mirror of
https://codeberg.org/kiss-community/repo
synced 2024-12-25 00:30:06 -07:00
30 lines
1.1 KiB
Diff
30 lines
1.1 KiB
Diff
From bba5389dc598a92bdf2b297c3ea34620b6679b5b Mon Sep 17 00:00:00 2001
|
|
From: David Bryant <david@wavpack.com>
|
|
Date: Thu, 29 Nov 2018 21:53:51 -0800
|
|
Subject: [PATCH] issue #54: fix potential out-of-bounds heap read
|
|
|
|
---
|
|
src/open_utils.c | 4 ++--
|
|
1 file changed, 2 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/src/open_utils.c b/src/open_utils.c
|
|
index 80051fc..4fe0d67 100644
|
|
--- a/src/open_utils.c
|
|
+++ b/src/open_utils.c
|
|
@@ -1258,13 +1258,13 @@ int WavpackVerifySingleBlock (unsigned char *buffer, int verify_checksum)
|
|
#endif
|
|
|
|
if (meta_bc == 4) {
|
|
- if (*dp++ != (csum & 0xff) || *dp++ != ((csum >> 8) & 0xff) || *dp++ != ((csum >> 16) & 0xff) || *dp++ != ((csum >> 24) & 0xff))
|
|
+ if (*dp != (csum & 0xff) || dp[1] != ((csum >> 8) & 0xff) || dp[2] != ((csum >> 16) & 0xff) || dp[3] != ((csum >> 24) & 0xff))
|
|
return FALSE;
|
|
}
|
|
else {
|
|
csum ^= csum >> 16;
|
|
|
|
- if (*dp++ != (csum & 0xff) || *dp++ != ((csum >> 8) & 0xff))
|
|
+ if (*dp != (csum & 0xff) || dp[1] != ((csum >> 8) & 0xff))
|
|
return FALSE;
|
|
}
|
|
|